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-rw-r--r--arch/alpha/include/asm/atomic.h4
-rw-r--r--arch/alpha/include/asm/bitops.h18
-rw-r--r--arch/arm/boot/compressed/head.S10
-rw-r--r--arch/arm/configs/imote2_defconfig172
-rw-r--r--arch/arm/include/asm/atomic.h2
-rw-r--r--arch/arm/include/asm/cacheflush.h4
-rw-r--r--arch/arm/include/asm/elf.h2
-rw-r--r--arch/arm/include/asm/smp_twd.h17
-rw-r--r--arch/arm/include/asm/tlbflush.h29
-rw-r--r--arch/arm/kernel/entry-armv.S4
-rw-r--r--arch/arm/kernel/smp.c6
-rw-r--r--arch/arm/kernel/smp_twd.c17
-rw-r--r--arch/arm/lib/clear_user.S1
-rw-r--r--arch/arm/lib/copy_to_user.S1
-rw-r--r--arch/arm/mach-davinci/da830.c2
-rw-r--r--arch/arm/mach-mx5/clock-mx51.c1
-rw-r--r--arch/arm/mach-pxa/include/mach/colibri.h1
-rw-r--r--arch/arm/mach-pxa/include/mach/hardware.h2
-rw-r--r--arch/arm/mach-pxa/include/mach/regs-u2d.h3
-rw-r--r--arch/arm/mach-pxa/raumfeld.c5
-rw-r--r--arch/arm/mach-pxa/spitz.c2
-rw-r--r--arch/arm/mach-pxa/viper.c5
-rw-r--r--arch/arm/mach-sa1100/Kconfig4
-rw-r--r--arch/arm/mach-sa1100/cpu-sa1110.c3
-rw-r--r--arch/arm/mm/cache-v6.S17
-rw-r--r--arch/arm/mm/cache-v7.S4
-rw-r--r--arch/arm/mm/init.c14
-rw-r--r--arch/arm/mm/nommu.c13
-rw-r--r--arch/arm/mm/tlb-v7.S8
-rw-r--r--arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h8
-rw-r--r--arch/arm/plat-pxa/dma.c2
-rw-r--r--arch/arm/tools/mach-types57
-rw-r--r--arch/avr32/include/asm/atomic.h2
-rw-r--r--arch/cris/include/asm/atomic.h2
-rw-r--r--arch/frv/include/asm/atomic.h2
-rw-r--r--arch/h8300/include/asm/atomic.h2
-rw-r--r--arch/ia64/include/asm/atomic.h4
-rw-r--r--arch/ia64/include/asm/bitops.h11
-rw-r--r--arch/ia64/kernel/acpi.c8
-rw-r--r--arch/m32r/include/asm/atomic.h2
-rw-r--r--arch/m68k/amiga/Makefile2
-rw-r--r--arch/m68k/amiga/platform.c83
-rw-r--r--arch/m68k/bvme6000/rtc.c29
-rw-r--r--arch/m68k/hp300/time.h4
-rw-r--r--arch/m68k/include/asm/atomic_mm.h2
-rw-r--r--arch/m68k/include/asm/atomic_no.h2
-rw-r--r--arch/m68k/include/asm/bitops_mm.h14
-rw-r--r--arch/m68k/include/asm/param.h16
-rw-r--r--arch/m68k/kernel/traps.c2
-rw-r--r--arch/m68k/mac/config.c10
-rw-r--r--arch/m68k/mm/fault.c14
-rw-r--r--arch/m68k/mvme16x/rtc.c19
-rw-r--r--arch/m68k/q40/config.c2
-rw-r--r--arch/microblaze/configs/mmu_defconfig58
-rw-r--r--arch/microblaze/configs/nommu_defconfig39
-rw-r--r--arch/microblaze/include/asm/cache.h2
-rw-r--r--arch/microblaze/include/asm/dma.h6
-rw-r--r--arch/microblaze/include/asm/exceptions.h6
-rw-r--r--arch/microblaze/include/asm/io.h2
-rw-r--r--arch/microblaze/include/asm/page.h12
-rw-r--r--arch/microblaze/include/asm/pci.h8
-rw-r--r--arch/microblaze/include/asm/pgalloc.h16
-rw-r--r--arch/microblaze/include/asm/pgtable.h35
-rw-r--r--arch/microblaze/include/asm/uaccess.h87
-rw-r--r--arch/microblaze/kernel/asm-offsets.c1
-rw-r--r--arch/microblaze/kernel/cpu/cache.c75
-rw-r--r--arch/microblaze/kernel/cpu/mb.c10
-rw-r--r--arch/microblaze/kernel/dma.c2
-rw-r--r--arch/microblaze/kernel/entry-nommu.S2
-rw-r--r--arch/microblaze/kernel/exceptions.c2
-rw-r--r--arch/microblaze/kernel/head.S3
-rw-r--r--arch/microblaze/kernel/irq.c3
-rw-r--r--arch/microblaze/kernel/microblaze_ksyms.c11
-rw-r--r--arch/microblaze/kernel/misc.S36
-rw-r--r--arch/microblaze/kernel/module.c2
-rw-r--r--arch/microblaze/kernel/traps.c34
-rw-r--r--arch/microblaze/kernel/vmlinux.lds.S3
-rw-r--r--arch/microblaze/mm/consistent.c190
-rw-r--r--arch/microblaze/mm/fault.c13
-rw-r--r--arch/microblaze/mm/init.c1
-rw-r--r--arch/microblaze/mm/pgtable.c52
-rw-r--r--arch/microblaze/pci/pci-common.c19
-rw-r--r--arch/mips/include/asm/atomic.h4
-rw-r--r--arch/mips/include/asm/i8253.h2
-rw-r--r--arch/mips/include/asm/mipsregs.h9
-rw-r--r--arch/mips/kernel/i8253.c14
-rw-r--r--arch/mips/kernel/scall64-n32.S2
-rw-r--r--arch/mips/math-emu/cp1emu.c15
-rw-r--r--arch/mips/oprofile/op_model_loongson2.c2
-rw-r--r--arch/mn10300/include/asm/atomic.h2
-rw-r--r--arch/parisc/include/asm/atomic.h4
-rw-r--r--arch/powerpc/include/asm/hw_irq.h38
-rw-r--r--arch/powerpc/kernel/asm-offsets.c1
-rw-r--r--arch/powerpc/kernel/dma-swiotlb.c5
-rw-r--r--arch/powerpc/kernel/entry_64.S9
-rw-r--r--arch/powerpc/kernel/irq.c6
-rw-r--r--arch/powerpc/kernel/time.c60
-rw-r--r--arch/powerpc/kvm/44x_tlb.c2
-rw-r--r--arch/s390/kernel/head31.S2
-rw-r--r--arch/s390/kernel/head64.S2
-rw-r--r--arch/s390/kernel/ptrace.c5
-rw-r--r--arch/sh/configs/rts7751r2d1_defconfig2
-rw-r--r--arch/sh/configs/rts7751r2dplus_defconfig2
-rw-r--r--arch/sh/drivers/pci/pci-sh7751.c5
-rw-r--r--arch/sh/include/asm/atomic.h2
-rw-r--r--arch/sh/include/cpu-sh4/cpu/dma-register.h2
-rw-r--r--arch/sparc/include/asm/atomic_32.h2
-rw-r--r--arch/sparc/include/asm/atomic_64.h4
-rw-r--r--arch/sparc/include/asm/bitops_64.h11
-rw-r--r--arch/sparc/kernel/perf_event.c108
-rw-r--r--arch/x86/Kconfig54
-rw-r--r--arch/x86/Kconfig.cpu4
-rw-r--r--arch/x86/Kconfig.debug2
-rw-r--r--arch/x86/Makefile5
-rw-r--r--arch/x86/include/asm/alternative-asm.h4
-rw-r--r--arch/x86/include/asm/alternative.h20
-rw-r--r--arch/x86/include/asm/amd_iommu_types.h34
-rw-r--r--arch/x86/include/asm/arch_hweight.h61
-rw-r--r--arch/x86/include/asm/atomic.h25
-rw-r--r--arch/x86/include/asm/atomic64_32.h278
-rw-r--r--arch/x86/include/asm/atomic64_64.h25
-rw-r--r--arch/x86/include/asm/bitops.h4
-rw-r--r--arch/x86/include/asm/boot.h2
-rw-r--r--arch/x86/include/asm/cacheflush.h44
-rw-r--r--arch/x86/include/asm/cmpxchg_32.h3
-rw-r--r--arch/x86/include/asm/cpufeature.h58
-rw-r--r--arch/x86/include/asm/dwarf2.h12
-rw-r--r--arch/x86/include/asm/e820.h7
-rw-r--r--arch/x86/include/asm/hardirq.h2
-rw-r--r--arch/x86/include/asm/hyperv.h11
-rw-r--r--arch/x86/include/asm/hypervisor.h27
-rw-r--r--arch/x86/include/asm/i387.h129
-rw-r--r--arch/x86/include/asm/i8253.h2
-rw-r--r--arch/x86/include/asm/io_apic.h13
-rw-r--r--arch/x86/include/asm/k8.h5
-rw-r--r--arch/x86/include/asm/mpspec.h10
-rw-r--r--arch/x86/include/asm/mshyperv.h14
-rw-r--r--arch/x86/include/asm/percpu.h24
-rw-r--r--arch/x86/include/asm/perf_event_p4.h3
-rw-r--r--arch/x86/include/asm/processor.h10
-rw-r--r--arch/x86/include/asm/thread_info.h1
-rw-r--r--arch/x86/include/asm/traps.h2
-rw-r--r--arch/x86/include/asm/uv/uv_bau.h247
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h2
-rw-r--r--arch/x86/include/asm/uv/uv_mmrs.h528
-rw-r--r--arch/x86/include/asm/vmware.h27
-rw-r--r--arch/x86/include/asm/xsave.h7
-rw-r--r--arch/x86/kernel/acpi/boot.c133
-rw-r--r--arch/x86/kernel/alternative.c47
-rw-r--r--arch/x86/kernel/amd_iommu.c197
-rw-r--r--arch/x86/kernel/amd_iommu_init.c6
-rw-r--r--arch/x86/kernel/apic/es7000_32.c19
-rw-r--r--arch/x86/kernel/apic/io_apic.c99
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c3
-rw-r--r--arch/x86/kernel/apm_32.c4
-rw-r--r--arch/x86/kernel/cpu/Makefile2
-rw-r--r--arch/x86/kernel/cpu/addon_cpuid_features.c14
-rw-r--r--arch/x86/kernel/cpu/bugs.c2
-rw-r--r--arch/x86/kernel/cpu/common.c5
-rw-r--r--arch/x86/kernel/cpu/cpufreq/Makefile4
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c44
-rw-r--r--arch/x86/kernel/cpu/cpufreq/mperf.c51
-rw-r--r--arch/x86/kernel/cpu/cpufreq/mperf.h9
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c169
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.h2
-rw-r--r--arch/x86/kernel/cpu/hypervisor.c52
-rw-r--r--arch/x86/kernel/cpu/intel.c6
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c181
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c4
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c55
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c41
-rw-r--r--arch/x86/kernel/cpu/vmware.c38
-rw-r--r--arch/x86/kernel/entry_32.S19
-rw-r--r--arch/x86/kernel/i387.c107
-rw-r--r--arch/x86/kernel/i8253.c14
-rw-r--r--arch/x86/kernel/irqinit.c2
-rw-r--r--arch/x86/kernel/kprobes.c27
-rw-r--r--arch/x86/kernel/microcode_core.c4
-rw-r--r--arch/x86/kernel/microcode_intel.c22
-rw-r--r--arch/x86/kernel/mpparse.c25
-rw-r--r--arch/x86/kernel/mrst.c5
-rw-r--r--arch/x86/kernel/process.c32
-rw-r--r--arch/x86/kernel/process_32.c2
-rw-r--r--arch/x86/kernel/process_64.c2
-rw-r--r--arch/x86/kernel/sfi.c4
-rw-r--r--arch/x86/kernel/tboot.c20
-rw-r--r--arch/x86/kernel/tlb_uv.c1280
-rw-r--r--arch/x86/kernel/traps.c173
-rw-r--r--arch/x86/kernel/uv_irq.c12
-rw-r--r--arch/x86/kernel/x8664_ksyms_64.c1
-rw-r--r--arch/x86/kernel/xsave.c8
-rw-r--r--arch/x86/kvm/svm.c8
-rw-r--r--arch/x86/kvm/vmx.c3
-rw-r--r--arch/x86/kvm/x86.c4
-rw-r--r--arch/x86/lib/Makefile3
-rw-r--r--arch/x86/lib/atomic64_32.c273
-rw-r--r--arch/x86/lib/atomic64_386_32.S174
-rw-r--r--arch/x86/lib/atomic64_cx8_32.S224
-rw-r--r--arch/x86/math-emu/fpu_aux.c6
-rw-r--r--arch/x86/math-emu/fpu_entry.c4
-rw-r--r--arch/x86/math-emu/fpu_system.h2
-rw-r--r--arch/x86/mm/Makefile1
-rw-r--r--arch/x86/mm/pat.c239
-rw-r--r--arch/x86/mm/pat_internal.h46
-rw-r--r--arch/x86/mm/pat_rbtree.c273
-rw-r--r--arch/x86/mm/srat_64.c51
-rw-r--r--arch/x86/oprofile/nmi_int.c199
-rw-r--r--arch/x86/oprofile/op_model_amd.c280
-rw-r--r--arch/x86/oprofile/op_model_p4.c52
-rw-r--r--arch/x86/oprofile/op_model_ppro.c77
-rw-r--r--arch/x86/oprofile/op_x86_model.h4
-rw-r--r--arch/x86/pci/mrst.c6
-rw-r--r--arch/xtensa/include/asm/atomic.h2
213 files changed, 4970 insertions, 3335 deletions
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index 610dff44d94b..e756d04b6cd5 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -17,8 +17,8 @@
17#define ATOMIC_INIT(i) ( (atomic_t) { (i) } ) 17#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
18#define ATOMIC64_INIT(i) ( (atomic64_t) { (i) } ) 18#define ATOMIC64_INIT(i) ( (atomic64_t) { (i) } )
19 19
20#define atomic_read(v) ((v)->counter + 0) 20#define atomic_read(v) (*(volatile int *)&(v)->counter)
21#define atomic64_read(v) ((v)->counter + 0) 21#define atomic64_read(v) (*(volatile long *)&(v)->counter)
22 22
23#define atomic_set(v,i) ((v)->counter = (i)) 23#define atomic_set(v,i) ((v)->counter = (i))
24#define atomic64_set(v,i) ((v)->counter = (i)) 24#define atomic64_set(v,i) ((v)->counter = (i))
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 15f3ae25c511..296da1d5ed57 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -405,29 +405,31 @@ static inline int fls(int x)
405 405
406#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) 406#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
407/* Whee. EV67 can calculate it directly. */ 407/* Whee. EV67 can calculate it directly. */
408static inline unsigned long hweight64(unsigned long w) 408static inline unsigned long __arch_hweight64(unsigned long w)
409{ 409{
410 return __kernel_ctpop(w); 410 return __kernel_ctpop(w);
411} 411}
412 412
413static inline unsigned int hweight32(unsigned int w) 413static inline unsigned int __arch_weight32(unsigned int w)
414{ 414{
415 return hweight64(w); 415 return __arch_hweight64(w);
416} 416}
417 417
418static inline unsigned int hweight16(unsigned int w) 418static inline unsigned int __arch_hweight16(unsigned int w)
419{ 419{
420 return hweight64(w & 0xffff); 420 return __arch_hweight64(w & 0xffff);
421} 421}
422 422
423static inline unsigned int hweight8(unsigned int w) 423static inline unsigned int __arch_hweight8(unsigned int w)
424{ 424{
425 return hweight64(w & 0xff); 425 return __arch_hweight64(w & 0xff);
426} 426}
427#else 427#else
428#include <asm-generic/bitops/hweight.h> 428#include <asm-generic/bitops/arch_hweight.h>
429#endif 429#endif
430 430
431#include <asm-generic/bitops/const_hweight.h>
432
431#endif /* __KERNEL__ */ 433#endif /* __KERNEL__ */
432 434
433#include <asm-generic/bitops/find.h> 435#include <asm-generic/bitops/find.h>
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 6ab6b337a913..c5191b1532e8 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -685,8 +685,8 @@ proc_types:
685 W(b) __armv4_mmu_cache_off 685 W(b) __armv4_mmu_cache_off
686 W(b) __armv4_mmu_cache_flush 686 W(b) __armv4_mmu_cache_flush
687 687
688 .word 0x56056930 688 .word 0x56056900
689 .word 0xff0ffff0 @ PXA935 689 .word 0xffffff00 @ PXA9xx
690 W(b) __armv4_mmu_cache_on 690 W(b) __armv4_mmu_cache_on
691 W(b) __armv4_mmu_cache_off 691 W(b) __armv4_mmu_cache_off
692 W(b) __armv4_mmu_cache_flush 692 W(b) __armv4_mmu_cache_flush
@@ -697,12 +697,6 @@ proc_types:
697 W(b) __armv4_mmu_cache_off 697 W(b) __armv4_mmu_cache_off
698 W(b) __armv5tej_mmu_cache_flush 698 W(b) __armv5tej_mmu_cache_flush
699 699
700 .word 0x56056930
701 .word 0xff0ffff0 @ PXA935
702 W(b) __armv4_mmu_cache_on
703 W(b) __armv4_mmu_cache_off
704 W(b) __armv4_mmu_cache_flush
705
706 .word 0x56050000 @ Feroceon 700 .word 0x56050000 @ Feroceon
707 .word 0xff0f0000 701 .word 0xff0f0000
708 W(b) __armv4_mmu_cache_on 702 W(b) __armv4_mmu_cache_on
diff --git a/arch/arm/configs/imote2_defconfig b/arch/arm/configs/imote2_defconfig
index 95d2becfc664..21f2bff8a363 100644
--- a/arch/arm/configs/imote2_defconfig
+++ b/arch/arm/configs/imote2_defconfig
@@ -1,13 +1,14 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.33-rc8 3# Linux kernel version: 2.6.34-rc2
4# Sat Feb 13 21:48:53 2010 4# Thu Apr 8 14:49:08 2010
5# 5#
6CONFIG_ARM=y 6CONFIG_ARM=y
7CONFIG_SYS_SUPPORTS_APM_EMULATION=y 7CONFIG_SYS_SUPPORTS_APM_EMULATION=y
8CONFIG_GENERIC_GPIO=y 8CONFIG_GENERIC_GPIO=y
9CONFIG_GENERIC_TIME=y 9CONFIG_GENERIC_TIME=y
10CONFIG_GENERIC_CLOCKEVENTS=y 10CONFIG_GENERIC_CLOCKEVENTS=y
11CONFIG_HAVE_PROC_CPU=y
11CONFIG_GENERIC_HARDIRQS=y 12CONFIG_GENERIC_HARDIRQS=y
12CONFIG_STACKTRACE_SUPPORT=y 13CONFIG_STACKTRACE_SUPPORT=y
13CONFIG_HAVE_LATENCYTOP_SUPPORT=y 14CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -19,6 +20,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
19CONFIG_ARCH_HAS_CPUFREQ=y 20CONFIG_ARCH_HAS_CPUFREQ=y
20CONFIG_GENERIC_HWEIGHT=y 21CONFIG_GENERIC_HWEIGHT=y
21CONFIG_GENERIC_CALIBRATE_DELAY=y 22CONFIG_GENERIC_CALIBRATE_DELAY=y
23CONFIG_NEED_DMA_MAP_STATE=y
22CONFIG_ARCH_MTD_XIP=y 24CONFIG_ARCH_MTD_XIP=y
23CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y 25CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
24CONFIG_VECTORS_BASE=0xffff0000 26CONFIG_VECTORS_BASE=0xffff0000
@@ -60,11 +62,6 @@ CONFIG_RCU_FANOUT=32
60# CONFIG_TREE_RCU_TRACE is not set 62# CONFIG_TREE_RCU_TRACE is not set
61# CONFIG_IKCONFIG is not set 63# CONFIG_IKCONFIG is not set
62CONFIG_LOG_BUF_SHIFT=14 64CONFIG_LOG_BUF_SHIFT=14
63CONFIG_GROUP_SCHED=y
64CONFIG_FAIR_GROUP_SCHED=y
65# CONFIG_RT_GROUP_SCHED is not set
66CONFIG_USER_SCHED=y
67# CONFIG_CGROUP_SCHED is not set
68# CONFIG_CGROUPS is not set 65# CONFIG_CGROUPS is not set
69CONFIG_SYSFS_DEPRECATED=y 66CONFIG_SYSFS_DEPRECATED=y
70CONFIG_SYSFS_DEPRECATED_V2=y 67CONFIG_SYSFS_DEPRECATED_V2=y
@@ -97,10 +94,14 @@ CONFIG_TIMERFD=y
97CONFIG_EVENTFD=y 94CONFIG_EVENTFD=y
98CONFIG_SHMEM=y 95CONFIG_SHMEM=y
99CONFIG_AIO=y 96CONFIG_AIO=y
97CONFIG_HAVE_PERF_EVENTS=y
98CONFIG_PERF_USE_VMALLOC=y
100 99
101# 100#
102# Kernel Performance Events And Counters 101# Kernel Performance Events And Counters
103# 102#
103# CONFIG_PERF_EVENTS is not set
104# CONFIG_PERF_COUNTERS is not set
104CONFIG_VM_EVENT_COUNTERS=y 105CONFIG_VM_EVENT_COUNTERS=y
105# CONFIG_COMPAT_BRK is not set 106# CONFIG_COMPAT_BRK is not set
106CONFIG_SLAB=y 107CONFIG_SLAB=y
@@ -184,6 +185,7 @@ CONFIG_MMU=y
184# CONFIG_ARCH_REALVIEW is not set 185# CONFIG_ARCH_REALVIEW is not set
185# CONFIG_ARCH_VERSATILE is not set 186# CONFIG_ARCH_VERSATILE is not set
186# CONFIG_ARCH_AT91 is not set 187# CONFIG_ARCH_AT91 is not set
188# CONFIG_ARCH_BCMRING is not set
187# CONFIG_ARCH_CLPS711X is not set 189# CONFIG_ARCH_CLPS711X is not set
188# CONFIG_ARCH_GEMINI is not set 190# CONFIG_ARCH_GEMINI is not set
189# CONFIG_ARCH_EBSA110 is not set 191# CONFIG_ARCH_EBSA110 is not set
@@ -193,7 +195,6 @@ CONFIG_MMU=y
193# CONFIG_ARCH_STMP3XXX is not set 195# CONFIG_ARCH_STMP3XXX is not set
194# CONFIG_ARCH_NETX is not set 196# CONFIG_ARCH_NETX is not set
195# CONFIG_ARCH_H720X is not set 197# CONFIG_ARCH_H720X is not set
196# CONFIG_ARCH_NOMADIK is not set
197# CONFIG_ARCH_IOP13XX is not set 198# CONFIG_ARCH_IOP13XX is not set
198# CONFIG_ARCH_IOP32X is not set 199# CONFIG_ARCH_IOP32X is not set
199# CONFIG_ARCH_IOP33X is not set 200# CONFIG_ARCH_IOP33X is not set
@@ -210,21 +211,26 @@ CONFIG_MMU=y
210# CONFIG_ARCH_KS8695 is not set 211# CONFIG_ARCH_KS8695 is not set
211# CONFIG_ARCH_NS9XXX is not set 212# CONFIG_ARCH_NS9XXX is not set
212# CONFIG_ARCH_W90X900 is not set 213# CONFIG_ARCH_W90X900 is not set
214# CONFIG_ARCH_NUC93X is not set
213# CONFIG_ARCH_PNX4008 is not set 215# CONFIG_ARCH_PNX4008 is not set
214CONFIG_ARCH_PXA=y 216CONFIG_ARCH_PXA=y
215# CONFIG_ARCH_MSM is not set 217# CONFIG_ARCH_MSM is not set
218# CONFIG_ARCH_SHMOBILE is not set
216# CONFIG_ARCH_RPC is not set 219# CONFIG_ARCH_RPC is not set
217# CONFIG_ARCH_SA1100 is not set 220# CONFIG_ARCH_SA1100 is not set
218# CONFIG_ARCH_S3C2410 is not set 221# CONFIG_ARCH_S3C2410 is not set
219# CONFIG_ARCH_S3C64XX is not set 222# CONFIG_ARCH_S3C64XX is not set
223# CONFIG_ARCH_S5P6440 is not set
224# CONFIG_ARCH_S5P6442 is not set
220# CONFIG_ARCH_S5PC1XX is not set 225# CONFIG_ARCH_S5PC1XX is not set
226# CONFIG_ARCH_S5PV210 is not set
221# CONFIG_ARCH_SHARK is not set 227# CONFIG_ARCH_SHARK is not set
222# CONFIG_ARCH_LH7A40X is not set 228# CONFIG_ARCH_LH7A40X is not set
223# CONFIG_ARCH_U300 is not set 229# CONFIG_ARCH_U300 is not set
230# CONFIG_ARCH_U8500 is not set
231# CONFIG_ARCH_NOMADIK is not set
224# CONFIG_ARCH_DAVINCI is not set 232# CONFIG_ARCH_DAVINCI is not set
225# CONFIG_ARCH_OMAP is not set 233# CONFIG_ARCH_OMAP is not set
226# CONFIG_ARCH_BCMRING is not set
227# CONFIG_ARCH_U8500 is not set
228 234
229# 235#
230# Intel PXA2xx/PXA3xx Implementations 236# Intel PXA2xx/PXA3xx Implementations
@@ -253,6 +259,7 @@ CONFIG_ARCH_PXA=y
253# CONFIG_MACH_EM_X270 is not set 259# CONFIG_MACH_EM_X270 is not set
254# CONFIG_MACH_EXEDA is not set 260# CONFIG_MACH_EXEDA is not set
255# CONFIG_MACH_CM_X300 is not set 261# CONFIG_MACH_CM_X300 is not set
262# CONFIG_MACH_CAPC7117 is not set
256# CONFIG_ARCH_GUMSTIX is not set 263# CONFIG_ARCH_GUMSTIX is not set
257CONFIG_MACH_INTELMOTE2=y 264CONFIG_MACH_INTELMOTE2=y
258# CONFIG_MACH_STARGATE2 is not set 265# CONFIG_MACH_STARGATE2 is not set
@@ -275,7 +282,11 @@ CONFIG_MACH_INTELMOTE2=y
275# CONFIG_PXA_EZX is not set 282# CONFIG_PXA_EZX is not set
276# CONFIG_MACH_MP900C is not set 283# CONFIG_MACH_MP900C is not set
277# CONFIG_ARCH_PXA_PALM is not set 284# CONFIG_ARCH_PXA_PALM is not set
285# CONFIG_MACH_RAUMFELD_RC is not set
286# CONFIG_MACH_RAUMFELD_CONNECTOR is not set
287# CONFIG_MACH_RAUMFELD_SPEAKER is not set
278# CONFIG_PXA_SHARPSL is not set 288# CONFIG_PXA_SHARPSL is not set
289# CONFIG_MACH_ICONTROL is not set
279# CONFIG_ARCH_PXA_ESERIES is not set 290# CONFIG_ARCH_PXA_ESERIES is not set
280CONFIG_PXA27x=y 291CONFIG_PXA27x=y
281CONFIG_PXA_SSP=y 292CONFIG_PXA_SSP=y
@@ -302,6 +313,7 @@ CONFIG_ARM_THUMB=y
302CONFIG_ARM_L1_CACHE_SHIFT=5 313CONFIG_ARM_L1_CACHE_SHIFT=5
303CONFIG_IWMMXT=y 314CONFIG_IWMMXT=y
304CONFIG_XSCALE_PMU=y 315CONFIG_XSCALE_PMU=y
316CONFIG_CPU_HAS_PMU=y
305CONFIG_COMMON_CLKDEV=y 317CONFIG_COMMON_CLKDEV=y
306 318
307# 319#
@@ -352,7 +364,7 @@ CONFIG_ALIGNMENT_TRAP=y
352# 364#
353CONFIG_ZBOOT_ROM_TEXT=0x0 365CONFIG_ZBOOT_ROM_TEXT=0x0
354CONFIG_ZBOOT_ROM_BSS=0x0 366CONFIG_ZBOOT_ROM_BSS=0x0
355CONFIG_CMDLINE="console=tty1 root=/dev/mmcblk0p2 rootfstype=ext2 rootdelay=3 ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0 debug" 367CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=jffs2 console=ttyS2,115200 mem=32M"
356# CONFIG_XIP_KERNEL is not set 368# CONFIG_XIP_KERNEL is not set
357CONFIG_KEXEC=y 369CONFIG_KEXEC=y
358CONFIG_ATAGS_PROC=y 370CONFIG_ATAGS_PROC=y
@@ -360,24 +372,8 @@ CONFIG_ATAGS_PROC=y
360# 372#
361# CPU Power Management 373# CPU Power Management
362# 374#
363CONFIG_CPU_FREQ=y 375# CONFIG_CPU_FREQ is not set
364CONFIG_CPU_FREQ_TABLE=y 376# CONFIG_CPU_IDLE is not set
365CONFIG_CPU_FREQ_DEBUG=y
366CONFIG_CPU_FREQ_STAT=y
367# CONFIG_CPU_FREQ_STAT_DETAILS is not set
368CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
369# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
370# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
371# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
372# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
373CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
374CONFIG_CPU_FREQ_GOV_POWERSAVE=m
375CONFIG_CPU_FREQ_GOV_USERSPACE=m
376CONFIG_CPU_FREQ_GOV_ONDEMAND=m
377CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
378CONFIG_CPU_IDLE=y
379CONFIG_CPU_IDLE_GOV_LADDER=y
380CONFIG_CPU_IDLE_GOV_MENU=y
381 377
382# 378#
383# Floating point emulation 379# Floating point emulation
@@ -409,6 +405,7 @@ CONFIG_SUSPEND=y
409CONFIG_SUSPEND_FREEZER=y 405CONFIG_SUSPEND_FREEZER=y
410CONFIG_APM_EMULATION=y 406CONFIG_APM_EMULATION=y
411CONFIG_PM_RUNTIME=y 407CONFIG_PM_RUNTIME=y
408CONFIG_PM_OPS=y
412CONFIG_ARCH_SUSPEND_POSSIBLE=y 409CONFIG_ARCH_SUSPEND_POSSIBLE=y
413CONFIG_NET=y 410CONFIG_NET=y
414 411
@@ -416,7 +413,6 @@ CONFIG_NET=y
416# Networking options 413# Networking options
417# 414#
418CONFIG_PACKET=y 415CONFIG_PACKET=y
419CONFIG_PACKET_MMAP=y
420CONFIG_UNIX=y 416CONFIG_UNIX=y
421CONFIG_XFRM=y 417CONFIG_XFRM=y
422# CONFIG_XFRM_USER is not set 418# CONFIG_XFRM_USER is not set
@@ -506,6 +502,7 @@ CONFIG_NF_CT_NETLINK=m
506CONFIG_NETFILTER_XTABLES=m 502CONFIG_NETFILTER_XTABLES=m
507CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m 503CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
508# CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set 504# CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set
505# CONFIG_NETFILTER_XT_TARGET_CT is not set
509# CONFIG_NETFILTER_XT_TARGET_DSCP is not set 506# CONFIG_NETFILTER_XT_TARGET_DSCP is not set
510CONFIG_NETFILTER_XT_TARGET_HL=m 507CONFIG_NETFILTER_XT_TARGET_HL=m
511CONFIG_NETFILTER_XT_TARGET_LED=m 508CONFIG_NETFILTER_XT_TARGET_LED=m
@@ -622,6 +619,7 @@ CONFIG_IP6_NF_RAW=m
622# CONFIG_ATM is not set 619# CONFIG_ATM is not set
623CONFIG_STP=m 620CONFIG_STP=m
624CONFIG_BRIDGE=m 621CONFIG_BRIDGE=m
622# CONFIG_BRIDGE_IGMP_SNOOPING is not set
625# CONFIG_NET_DSA is not set 623# CONFIG_NET_DSA is not set
626# CONFIG_VLAN_8021Q is not set 624# CONFIG_VLAN_8021Q is not set
627# CONFIG_DECNET is not set 625# CONFIG_DECNET is not set
@@ -646,32 +644,7 @@ CONFIG_NET_CLS_ROUTE=y
646# CONFIG_HAMRADIO is not set 644# CONFIG_HAMRADIO is not set
647# CONFIG_CAN is not set 645# CONFIG_CAN is not set
648# CONFIG_IRDA is not set 646# CONFIG_IRDA is not set
649CONFIG_BT=y 647# CONFIG_BT is not set
650CONFIG_BT_L2CAP=y
651CONFIG_BT_SCO=y
652CONFIG_BT_RFCOMM=y
653CONFIG_BT_RFCOMM_TTY=y
654CONFIG_BT_BNEP=y
655CONFIG_BT_BNEP_MC_FILTER=y
656CONFIG_BT_BNEP_PROTO_FILTER=y
657CONFIG_BT_HIDP=y
658
659#
660# Bluetooth device drivers
661#
662CONFIG_BT_HCIBTUSB=m
663CONFIG_BT_HCIBTSDIO=m
664CONFIG_BT_HCIUART=y
665CONFIG_BT_HCIUART_H4=y
666# CONFIG_BT_HCIUART_BCSP is not set
667# CONFIG_BT_HCIUART_LL is not set
668CONFIG_BT_HCIBCM203X=m
669CONFIG_BT_HCIBPA10X=m
670CONFIG_BT_HCIBFUSB=m
671CONFIG_BT_HCIVHCI=m
672CONFIG_BT_MRVL=m
673CONFIG_BT_MRVL_SDIO=m
674# CONFIG_BT_ATH3K is not set
675# CONFIG_AF_RXRPC is not set 648# CONFIG_AF_RXRPC is not set
676CONFIG_FIB_RULES=y 649CONFIG_FIB_RULES=y
677# CONFIG_WIRELESS is not set 650# CONFIG_WIRELESS is not set
@@ -687,7 +660,8 @@ CONFIG_FIB_RULES=y
687# Generic Driver Options 660# Generic Driver Options
688# 661#
689CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 662CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
690# CONFIG_DEVTMPFS is not set 663CONFIG_DEVTMPFS=y
664CONFIG_DEVTMPFS_MOUNT=y
691CONFIG_STANDALONE=y 665CONFIG_STANDALONE=y
692CONFIG_PREVENT_FIRMWARE_BUILD=y 666CONFIG_PREVENT_FIRMWARE_BUILD=y
693CONFIG_FW_LOADER=m 667CONFIG_FW_LOADER=m
@@ -703,9 +677,9 @@ CONFIG_MTD=y
703# CONFIG_MTD_CONCAT is not set 677# CONFIG_MTD_CONCAT is not set
704CONFIG_MTD_PARTITIONS=y 678CONFIG_MTD_PARTITIONS=y
705# CONFIG_MTD_REDBOOT_PARTS is not set 679# CONFIG_MTD_REDBOOT_PARTS is not set
706# CONFIG_MTD_CMDLINE_PARTS is not set 680CONFIG_MTD_CMDLINE_PARTS=y
707# CONFIG_MTD_AFS_PARTS is not set 681CONFIG_MTD_AFS_PARTS=y
708# CONFIG_MTD_AR7_PARTS is not set 682CONFIG_MTD_AR7_PARTS=y
709 683
710# 684#
711# User Modules And Translation Layers 685# User Modules And Translation Layers
@@ -812,6 +786,7 @@ CONFIG_HAVE_IDE=y
812# 786#
813# SCSI device support 787# SCSI device support
814# 788#
789CONFIG_SCSI_MOD=y
815# CONFIG_RAID_ATTRS is not set 790# CONFIG_RAID_ATTRS is not set
816# CONFIG_SCSI is not set 791# CONFIG_SCSI is not set
817# CONFIG_SCSI_DMA is not set 792# CONFIG_SCSI_DMA is not set
@@ -965,6 +940,7 @@ CONFIG_SERIAL_PXA=y
965CONFIG_SERIAL_PXA_CONSOLE=y 940CONFIG_SERIAL_PXA_CONSOLE=y
966CONFIG_SERIAL_CORE=y 941CONFIG_SERIAL_CORE=y
967CONFIG_SERIAL_CORE_CONSOLE=y 942CONFIG_SERIAL_CORE_CONSOLE=y
943# CONFIG_SERIAL_TIMBERDALE is not set
968CONFIG_UNIX98_PTYS=y 944CONFIG_UNIX98_PTYS=y
969# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set 945# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
970CONFIG_LEGACY_PTYS=y 946CONFIG_LEGACY_PTYS=y
@@ -993,6 +969,7 @@ CONFIG_I2C_HELPER_AUTO=y
993CONFIG_I2C_PXA=y 969CONFIG_I2C_PXA=y
994# CONFIG_I2C_PXA_SLAVE is not set 970# CONFIG_I2C_PXA_SLAVE is not set
995# CONFIG_I2C_SIMTEC is not set 971# CONFIG_I2C_SIMTEC is not set
972# CONFIG_I2C_XILINX is not set
996 973
997# 974#
998# External I2C/SMBus adapter drivers 975# External I2C/SMBus adapter drivers
@@ -1006,15 +983,9 @@ CONFIG_I2C_PXA=y
1006# 983#
1007# CONFIG_I2C_PCA_PLATFORM is not set 984# CONFIG_I2C_PCA_PLATFORM is not set
1008# CONFIG_I2C_STUB is not set 985# CONFIG_I2C_STUB is not set
1009
1010#
1011# Miscellaneous I2C Chip support
1012#
1013# CONFIG_SENSORS_TSL2550 is not set
1014# CONFIG_I2C_DEBUG_CORE is not set 986# CONFIG_I2C_DEBUG_CORE is not set
1015# CONFIG_I2C_DEBUG_ALGO is not set 987# CONFIG_I2C_DEBUG_ALGO is not set
1016# CONFIG_I2C_DEBUG_BUS is not set 988# CONFIG_I2C_DEBUG_BUS is not set
1017# CONFIG_I2C_DEBUG_CHIP is not set
1018CONFIG_SPI=y 989CONFIG_SPI=y
1019# CONFIG_SPI_DEBUG is not set 990# CONFIG_SPI_DEBUG is not set
1020CONFIG_SPI_MASTER=y 991CONFIG_SPI_MASTER=y
@@ -1046,10 +1017,12 @@ CONFIG_GPIO_SYSFS=y
1046# 1017#
1047# Memory mapped GPIO expanders: 1018# Memory mapped GPIO expanders:
1048# 1019#
1020# CONFIG_GPIO_IT8761E is not set
1049 1021
1050# 1022#
1051# I2C GPIO expanders: 1023# I2C GPIO expanders:
1052# 1024#
1025# CONFIG_GPIO_MAX7300 is not set
1053# CONFIG_GPIO_MAX732X is not set 1026# CONFIG_GPIO_MAX732X is not set
1054# CONFIG_GPIO_PCA953X is not set 1027# CONFIG_GPIO_PCA953X is not set
1055# CONFIG_GPIO_PCF857X is not set 1028# CONFIG_GPIO_PCF857X is not set
@@ -1093,10 +1066,12 @@ CONFIG_SSB_POSSIBLE=y
1093# Multifunction device drivers 1066# Multifunction device drivers
1094# 1067#
1095# CONFIG_MFD_CORE is not set 1068# CONFIG_MFD_CORE is not set
1069# CONFIG_MFD_88PM860X is not set
1096# CONFIG_MFD_SM501 is not set 1070# CONFIG_MFD_SM501 is not set
1097# CONFIG_MFD_ASIC3 is not set 1071# CONFIG_MFD_ASIC3 is not set
1098# CONFIG_HTC_EGPIO is not set 1072# CONFIG_HTC_EGPIO is not set
1099# CONFIG_HTC_PASIC3 is not set 1073# CONFIG_HTC_PASIC3 is not set
1074# CONFIG_HTC_I2CPLD is not set
1100# CONFIG_TPS65010 is not set 1075# CONFIG_TPS65010 is not set
1101# CONFIG_TWL4030_CORE is not set 1076# CONFIG_TWL4030_CORE is not set
1102# CONFIG_MFD_TMIO is not set 1077# CONFIG_MFD_TMIO is not set
@@ -1105,22 +1080,25 @@ CONFIG_SSB_POSSIBLE=y
1105# CONFIG_MFD_TC6393XB is not set 1080# CONFIG_MFD_TC6393XB is not set
1106CONFIG_PMIC_DA903X=y 1081CONFIG_PMIC_DA903X=y
1107# CONFIG_PMIC_ADP5520 is not set 1082# CONFIG_PMIC_ADP5520 is not set
1083# CONFIG_MFD_MAX8925 is not set
1108# CONFIG_MFD_WM8400 is not set 1084# CONFIG_MFD_WM8400 is not set
1109# CONFIG_MFD_WM831X is not set 1085# CONFIG_MFD_WM831X is not set
1110# CONFIG_MFD_WM8350_I2C is not set 1086# CONFIG_MFD_WM8350_I2C is not set
1087# CONFIG_MFD_WM8994 is not set
1111# CONFIG_MFD_PCF50633 is not set 1088# CONFIG_MFD_PCF50633 is not set
1112# CONFIG_MFD_MC13783 is not set 1089# CONFIG_MFD_MC13783 is not set
1113# CONFIG_AB3100_CORE is not set 1090# CONFIG_AB3100_CORE is not set
1114# CONFIG_EZX_PCAP is not set 1091# CONFIG_EZX_PCAP is not set
1115# CONFIG_MFD_88PM8607 is not set
1116# CONFIG_AB4500_CORE is not set 1092# CONFIG_AB4500_CORE is not set
1117CONFIG_REGULATOR=y 1093CONFIG_REGULATOR=y
1118CONFIG_REGULATOR_DEBUG=y 1094CONFIG_REGULATOR_DEBUG=y
1095# CONFIG_REGULATOR_DUMMY is not set
1119# CONFIG_REGULATOR_FIXED_VOLTAGE is not set 1096# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
1120CONFIG_REGULATOR_VIRTUAL_CONSUMER=y 1097CONFIG_REGULATOR_VIRTUAL_CONSUMER=y
1121CONFIG_REGULATOR_USERSPACE_CONSUMER=y 1098CONFIG_REGULATOR_USERSPACE_CONSUMER=y
1122# CONFIG_REGULATOR_BQ24022 is not set 1099# CONFIG_REGULATOR_BQ24022 is not set
1123# CONFIG_REGULATOR_MAX1586 is not set 1100# CONFIG_REGULATOR_MAX1586 is not set
1101# CONFIG_REGULATOR_MAX8649 is not set
1124# CONFIG_REGULATOR_MAX8660 is not set 1102# CONFIG_REGULATOR_MAX8660 is not set
1125CONFIG_REGULATOR_DA903X=y 1103CONFIG_REGULATOR_DA903X=y
1126# CONFIG_REGULATOR_LP3971 is not set 1104# CONFIG_REGULATOR_LP3971 is not set
@@ -1218,6 +1196,7 @@ CONFIG_VIDEO_IR_I2C=y
1218# CONFIG_VIDEO_SAA7191 is not set 1196# CONFIG_VIDEO_SAA7191 is not set
1219# CONFIG_VIDEO_TVP514X is not set 1197# CONFIG_VIDEO_TVP514X is not set
1220# CONFIG_VIDEO_TVP5150 is not set 1198# CONFIG_VIDEO_TVP5150 is not set
1199# CONFIG_VIDEO_TVP7002 is not set
1221# CONFIG_VIDEO_VPX3220 is not set 1200# CONFIG_VIDEO_VPX3220 is not set
1222 1201
1223# 1202#
@@ -1264,15 +1243,7 @@ CONFIG_SOC_CAMERA_MT9M111=y
1264CONFIG_VIDEO_PXA27x=y 1243CONFIG_VIDEO_PXA27x=y
1265# CONFIG_VIDEO_SH_MOBILE_CEU is not set 1244# CONFIG_VIDEO_SH_MOBILE_CEU is not set
1266# CONFIG_V4L_USB_DRIVERS is not set 1245# CONFIG_V4L_USB_DRIVERS is not set
1267CONFIG_RADIO_ADAPTERS=y 1246# CONFIG_RADIO_ADAPTERS is not set
1268# CONFIG_I2C_SI4713 is not set
1269# CONFIG_RADIO_SI4713 is not set
1270# CONFIG_USB_DSBR is not set
1271# CONFIG_RADIO_SI470X is not set
1272# CONFIG_USB_MR800 is not set
1273CONFIG_RADIO_TEA5764=y
1274CONFIG_RADIO_TEA5764_XTAL=y
1275# CONFIG_RADIO_TEF6862 is not set
1276# CONFIG_DAB is not set 1247# CONFIG_DAB is not set
1277 1248
1278# 1249#
@@ -1398,8 +1369,6 @@ CONFIG_HID=y
1398# 1369#
1399# Special HID drivers 1370# Special HID drivers
1400# 1371#
1401CONFIG_HID_APPLE=m
1402# CONFIG_HID_WACOM is not set
1403CONFIG_USB_SUPPORT=y 1372CONFIG_USB_SUPPORT=y
1404CONFIG_USB_ARCH_HAS_HCD=y 1373CONFIG_USB_ARCH_HAS_HCD=y
1405CONFIG_USB_ARCH_HAS_OHCI=y 1374CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1477,7 +1446,6 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
1477# CONFIG_USB_RIO500 is not set 1446# CONFIG_USB_RIO500 is not set
1478# CONFIG_USB_LEGOTOWER is not set 1447# CONFIG_USB_LEGOTOWER is not set
1479# CONFIG_USB_LCD is not set 1448# CONFIG_USB_LCD is not set
1480# CONFIG_USB_BERRY_CHARGE is not set
1481# CONFIG_USB_LED is not set 1449# CONFIG_USB_LED is not set
1482# CONFIG_USB_CYPRESS_CY7C63 is not set 1450# CONFIG_USB_CYPRESS_CY7C63 is not set
1483# CONFIG_USB_CYTHERM is not set 1451# CONFIG_USB_CYTHERM is not set
@@ -1489,7 +1457,6 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
1489# CONFIG_USB_IOWARRIOR is not set 1457# CONFIG_USB_IOWARRIOR is not set
1490# CONFIG_USB_TEST is not set 1458# CONFIG_USB_TEST is not set
1491# CONFIG_USB_ISIGHTFW is not set 1459# CONFIG_USB_ISIGHTFW is not set
1492# CONFIG_USB_VST is not set
1493CONFIG_USB_GADGET=y 1460CONFIG_USB_GADGET=y
1494# CONFIG_USB_GADGET_DEBUG is not set 1461# CONFIG_USB_GADGET_DEBUG is not set
1495# CONFIG_USB_GADGET_DEBUG_FILES is not set 1462# CONFIG_USB_GADGET_DEBUG_FILES is not set
@@ -1529,6 +1496,7 @@ CONFIG_USB_ETH=y
1529# CONFIG_USB_MIDI_GADGET is not set 1496# CONFIG_USB_MIDI_GADGET is not set
1530# CONFIG_USB_G_PRINTER is not set 1497# CONFIG_USB_G_PRINTER is not set
1531# CONFIG_USB_CDC_COMPOSITE is not set 1498# CONFIG_USB_CDC_COMPOSITE is not set
1499# CONFIG_USB_G_NOKIA is not set
1532# CONFIG_USB_G_MULTI is not set 1500# CONFIG_USB_G_MULTI is not set
1533 1501
1534# 1502#
@@ -1555,8 +1523,6 @@ CONFIG_SDIO_UART=m
1555# 1523#
1556CONFIG_MMC_PXA=y 1524CONFIG_MMC_PXA=y
1557# CONFIG_MMC_SDHCI is not set 1525# CONFIG_MMC_SDHCI is not set
1558# CONFIG_MMC_AT91 is not set
1559# CONFIG_MMC_ATMELMCI is not set
1560CONFIG_MMC_SPI=y 1526CONFIG_MMC_SPI=y
1561# CONFIG_MEMSTICK is not set 1527# CONFIG_MEMSTICK is not set
1562CONFIG_NEW_LEDS=y 1528CONFIG_NEW_LEDS=y
@@ -1574,11 +1540,11 @@ CONFIG_LEDS_LP3944=y
1574# CONFIG_LEDS_REGULATOR is not set 1540# CONFIG_LEDS_REGULATOR is not set
1575# CONFIG_LEDS_BD2802 is not set 1541# CONFIG_LEDS_BD2802 is not set
1576# CONFIG_LEDS_LT3593 is not set 1542# CONFIG_LEDS_LT3593 is not set
1543CONFIG_LEDS_TRIGGERS=y
1577 1544
1578# 1545#
1579# LED Triggers 1546# LED Triggers
1580# 1547#
1581CONFIG_LEDS_TRIGGERS=y
1582CONFIG_LEDS_TRIGGER_TIMER=y 1548CONFIG_LEDS_TRIGGER_TIMER=y
1583CONFIG_LEDS_TRIGGER_HEARTBEAT=y 1549CONFIG_LEDS_TRIGGER_HEARTBEAT=y
1584CONFIG_LEDS_TRIGGER_BACKLIGHT=y 1550CONFIG_LEDS_TRIGGER_BACKLIGHT=y
@@ -1656,7 +1622,7 @@ CONFIG_RTC_INTF_DEV=y
1656# on-CPU RTC drivers 1622# on-CPU RTC drivers
1657# 1623#
1658# CONFIG_RTC_DRV_SA1100 is not set 1624# CONFIG_RTC_DRV_SA1100 is not set
1659# CONFIG_RTC_DRV_PXA is not set 1625CONFIG_RTC_DRV_PXA=y
1660# CONFIG_DMADEVICES is not set 1626# CONFIG_DMADEVICES is not set
1661# CONFIG_AUXDISPLAY is not set 1627# CONFIG_AUXDISPLAY is not set
1662# CONFIG_UIO is not set 1628# CONFIG_UIO is not set
@@ -1681,19 +1647,10 @@ CONFIG_EXT3_FS_XATTR=y
1681CONFIG_JBD=m 1647CONFIG_JBD=m
1682# CONFIG_JBD_DEBUG is not set 1648# CONFIG_JBD_DEBUG is not set
1683CONFIG_FS_MBCACHE=m 1649CONFIG_FS_MBCACHE=m
1684CONFIG_REISERFS_FS=m 1650# CONFIG_REISERFS_FS is not set
1685# CONFIG_REISERFS_CHECK is not set
1686# CONFIG_REISERFS_PROC_INFO is not set
1687CONFIG_REISERFS_FS_XATTR=y
1688CONFIG_REISERFS_FS_POSIX_ACL=y
1689CONFIG_REISERFS_FS_SECURITY=y
1690# CONFIG_JFS_FS is not set 1651# CONFIG_JFS_FS is not set
1691CONFIG_FS_POSIX_ACL=y 1652CONFIG_FS_POSIX_ACL=y
1692CONFIG_XFS_FS=m 1653# CONFIG_XFS_FS is not set
1693# CONFIG_XFS_QUOTA is not set
1694# CONFIG_XFS_POSIX_ACL is not set
1695# CONFIG_XFS_RT is not set
1696# CONFIG_XFS_DEBUG is not set
1697# CONFIG_OCFS2_FS is not set 1654# CONFIG_OCFS2_FS is not set
1698# CONFIG_BTRFS_FS is not set 1655# CONFIG_BTRFS_FS is not set
1699# CONFIG_NILFS2_FS is not set 1656# CONFIG_NILFS2_FS is not set
@@ -1716,9 +1673,7 @@ CONFIG_CUSE=m
1716# 1673#
1717# CD-ROM/DVD Filesystems 1674# CD-ROM/DVD Filesystems
1718# 1675#
1719CONFIG_ISO9660_FS=m 1676# CONFIG_ISO9660_FS is not set
1720CONFIG_JOLIET=y
1721CONFIG_ZISOFS=y
1722# CONFIG_UDF_FS is not set 1677# CONFIG_UDF_FS is not set
1723 1678
1724# 1679#
@@ -1750,12 +1705,14 @@ CONFIG_MISC_FILESYSTEMS=y
1750# CONFIG_BEFS_FS is not set 1705# CONFIG_BEFS_FS is not set
1751# CONFIG_BFS_FS is not set 1706# CONFIG_BFS_FS is not set
1752# CONFIG_EFS_FS is not set 1707# CONFIG_EFS_FS is not set
1753CONFIG_JFFS2_FS=m 1708CONFIG_JFFS2_FS=y
1754CONFIG_JFFS2_FS_DEBUG=0 1709CONFIG_JFFS2_FS_DEBUG=0
1755CONFIG_JFFS2_FS_WRITEBUFFER=y 1710CONFIG_JFFS2_FS_WRITEBUFFER=y
1756# CONFIG_JFFS2_FS_WBUF_VERIFY is not set 1711CONFIG_JFFS2_FS_WBUF_VERIFY=y
1757# CONFIG_JFFS2_SUMMARY is not set 1712CONFIG_JFFS2_SUMMARY=y
1758# CONFIG_JFFS2_FS_XATTR is not set 1713CONFIG_JFFS2_FS_XATTR=y
1714CONFIG_JFFS2_FS_POSIX_ACL=y
1715CONFIG_JFFS2_FS_SECURITY=y
1759CONFIG_JFFS2_COMPRESSION_OPTIONS=y 1716CONFIG_JFFS2_COMPRESSION_OPTIONS=y
1760CONFIG_JFFS2_ZLIB=y 1717CONFIG_JFFS2_ZLIB=y
1761CONFIG_JFFS2_LZO=y 1718CONFIG_JFFS2_LZO=y
@@ -1765,6 +1722,7 @@ CONFIG_JFFS2_RUBIN=y
1765CONFIG_JFFS2_CMODE_PRIORITY=y 1722CONFIG_JFFS2_CMODE_PRIORITY=y
1766# CONFIG_JFFS2_CMODE_SIZE is not set 1723# CONFIG_JFFS2_CMODE_SIZE is not set
1767# CONFIG_JFFS2_CMODE_FAVOURLZO is not set 1724# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
1725# CONFIG_LOGFS is not set
1768CONFIG_CRAMFS=m 1726CONFIG_CRAMFS=m
1769CONFIG_SQUASHFS=m 1727CONFIG_SQUASHFS=m
1770# CONFIG_SQUASHFS_EMBEDDED is not set 1728# CONFIG_SQUASHFS_EMBEDDED is not set
@@ -1802,6 +1760,7 @@ CONFIG_SUNRPC=y
1802# CONFIG_RPCSEC_GSS_SPKM3 is not set 1760# CONFIG_RPCSEC_GSS_SPKM3 is not set
1803CONFIG_SMB_FS=m 1761CONFIG_SMB_FS=m
1804# CONFIG_SMB_NLS_DEFAULT is not set 1762# CONFIG_SMB_NLS_DEFAULT is not set
1763# CONFIG_CEPH_FS is not set
1805CONFIG_CIFS=m 1764CONFIG_CIFS=m
1806CONFIG_CIFS_STATS=y 1765CONFIG_CIFS_STATS=y
1807# CONFIG_CIFS_STATS2 is not set 1766# CONFIG_CIFS_STATS2 is not set
@@ -1895,6 +1854,7 @@ CONFIG_DEBUG_SPINLOCK=y
1895CONFIG_DEBUG_MUTEXES=y 1854CONFIG_DEBUG_MUTEXES=y
1896CONFIG_DEBUG_LOCK_ALLOC=y 1855CONFIG_DEBUG_LOCK_ALLOC=y
1897CONFIG_PROVE_LOCKING=y 1856CONFIG_PROVE_LOCKING=y
1857# CONFIG_PROVE_RCU is not set
1898CONFIG_LOCKDEP=y 1858CONFIG_LOCKDEP=y
1899# CONFIG_LOCK_STAT is not set 1859# CONFIG_LOCK_STAT is not set
1900# CONFIG_DEBUG_LOCKDEP is not set 1860# CONFIG_DEBUG_LOCKDEP is not set
@@ -1918,6 +1878,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
1918# CONFIG_BACKTRACE_SELF_TEST is not set 1878# CONFIG_BACKTRACE_SELF_TEST is not set
1919# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set 1879# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
1920# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set 1880# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
1881# CONFIG_LKDTM is not set
1921# CONFIG_FAULT_INJECTION is not set 1882# CONFIG_FAULT_INJECTION is not set
1922# CONFIG_LATENCYTOP is not set 1883# CONFIG_LATENCYTOP is not set
1923# CONFIG_SYSCTL_SYSCALL_CHECK is not set 1884# CONFIG_SYSCTL_SYSCALL_CHECK is not set
@@ -2061,9 +2022,9 @@ CONFIG_CRC32=y
2061CONFIG_CRC7=y 2022CONFIG_CRC7=y
2062CONFIG_LIBCRC32C=m 2023CONFIG_LIBCRC32C=m
2063CONFIG_ZLIB_INFLATE=y 2024CONFIG_ZLIB_INFLATE=y
2064CONFIG_ZLIB_DEFLATE=m 2025CONFIG_ZLIB_DEFLATE=y
2065CONFIG_LZO_COMPRESS=m 2026CONFIG_LZO_COMPRESS=y
2066CONFIG_LZO_DECOMPRESS=m 2027CONFIG_LZO_DECOMPRESS=y
2067CONFIG_DECOMPRESS_GZIP=y 2028CONFIG_DECOMPRESS_GZIP=y
2068CONFIG_DECOMPRESS_BZIP2=y 2029CONFIG_DECOMPRESS_BZIP2=y
2069CONFIG_DECOMPRESS_LZMA=y 2030CONFIG_DECOMPRESS_LZMA=y
@@ -2075,3 +2036,4 @@ CONFIG_HAS_IOMEM=y
2075CONFIG_HAS_IOPORT=y 2036CONFIG_HAS_IOPORT=y
2076CONFIG_HAS_DMA=y 2037CONFIG_HAS_DMA=y
2077CONFIG_NLATTR=y 2038CONFIG_NLATTR=y
2039CONFIG_GENERIC_ATOMIC64=y
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index e8ddec2cb158..a0162fa94564 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -24,7 +24,7 @@
24 * strex/ldrex monitor on some implementations. The reason we can use it for 24 * strex/ldrex monitor on some implementations. The reason we can use it for
25 * atomic_set() is the clrex or dummy strex done on every exception return. 25 * atomic_set() is the clrex or dummy strex done on every exception return.
26 */ 26 */
27#define atomic_read(v) ((v)->counter) 27#define atomic_read(v) (*(volatile int *)&(v)->counter)
28#define atomic_set(v,i) (((v)->counter) = (i)) 28#define atomic_set(v,i) (((v)->counter) = (i))
29 29
30#if __LINUX_ARM_ARCH__ >= 6 30#if __LINUX_ARM_ARCH__ >= 6
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 0d08d4170b64..4656a24058d2 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -371,6 +371,10 @@ static inline void __flush_icache_all(void)
371#ifdef CONFIG_ARM_ERRATA_411920 371#ifdef CONFIG_ARM_ERRATA_411920
372 extern void v6_icache_inval_all(void); 372 extern void v6_icache_inval_all(void);
373 v6_icache_inval_all(); 373 v6_icache_inval_all();
374#elif defined(CONFIG_SMP) && __LINUX_ARM_ARCH__ >= 7
375 asm("mcr p15, 0, %0, c7, c1, 0 @ invalidate I-cache inner shareable\n"
376 :
377 : "r" (0));
374#else 378#else
375 asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" 379 asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n"
376 : 380 :
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index bff056489cc1..51662feb9f1d 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -9,6 +9,8 @@
9#include <asm/ptrace.h> 9#include <asm/ptrace.h>
10#include <asm/user.h> 10#include <asm/user.h>
11 11
12struct task_struct;
13
12typedef unsigned long elf_greg_t; 14typedef unsigned long elf_greg_t;
13typedef unsigned long elf_freg_t[3]; 15typedef unsigned long elf_freg_t[3];
14 16
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 7be0978b2625..634f357be6bb 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -1,6 +1,23 @@
1#ifndef __ASMARM_SMP_TWD_H 1#ifndef __ASMARM_SMP_TWD_H
2#define __ASMARM_SMP_TWD_H 2#define __ASMARM_SMP_TWD_H
3 3
4#define TWD_TIMER_LOAD 0x00
5#define TWD_TIMER_COUNTER 0x04
6#define TWD_TIMER_CONTROL 0x08
7#define TWD_TIMER_INTSTAT 0x0C
8
9#define TWD_WDOG_LOAD 0x20
10#define TWD_WDOG_COUNTER 0x24
11#define TWD_WDOG_CONTROL 0x28
12#define TWD_WDOG_INTSTAT 0x2C
13#define TWD_WDOG_RESETSTAT 0x30
14#define TWD_WDOG_DISABLE 0x34
15
16#define TWD_TIMER_CONTROL_ENABLE (1 << 0)
17#define TWD_TIMER_CONTROL_ONESHOT (0 << 1)
18#define TWD_TIMER_CONTROL_PERIODIC (1 << 1)
19#define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2)
20
4struct clock_event_device; 21struct clock_event_device;
5 22
6extern void __iomem *twd_base; 23extern void __iomem *twd_base;
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index e085e2c545eb..bd863d8608cd 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -46,6 +46,9 @@
46#define TLB_V7_UIS_FULL (1 << 20) 46#define TLB_V7_UIS_FULL (1 << 20)
47#define TLB_V7_UIS_ASID (1 << 21) 47#define TLB_V7_UIS_ASID (1 << 21)
48 48
49/* Inner Shareable BTB operation (ARMv7 MP extensions) */
50#define TLB_V7_IS_BTB (1 << 22)
51
49#define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */ 52#define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */
50#define TLB_DCLEAN (1 << 30) 53#define TLB_DCLEAN (1 << 30)
51#define TLB_WB (1 << 31) 54#define TLB_WB (1 << 31)
@@ -183,7 +186,7 @@
183#endif 186#endif
184 187
185#ifdef CONFIG_SMP 188#ifdef CONFIG_SMP
186#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \ 189#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_V7_IS_BTB | \
187 TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | TLB_V7_UIS_ASID) 190 TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | TLB_V7_UIS_ASID)
188#else 191#else
189#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \ 192#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
@@ -339,6 +342,12 @@ static inline void local_flush_tlb_all(void)
339 dsb(); 342 dsb();
340 isb(); 343 isb();
341 } 344 }
345 if (tlb_flag(TLB_V7_IS_BTB)) {
346 /* flush the branch target cache */
347 asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
348 dsb();
349 isb();
350 }
342} 351}
343 352
344static inline void local_flush_tlb_mm(struct mm_struct *mm) 353static inline void local_flush_tlb_mm(struct mm_struct *mm)
@@ -376,6 +385,12 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
376 asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); 385 asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
377 dsb(); 386 dsb();
378 } 387 }
388 if (tlb_flag(TLB_V7_IS_BTB)) {
389 /* flush the branch target cache */
390 asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
391 dsb();
392 isb();
393 }
379} 394}
380 395
381static inline void 396static inline void
@@ -416,6 +431,12 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
416 asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); 431 asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
417 dsb(); 432 dsb();
418 } 433 }
434 if (tlb_flag(TLB_V7_IS_BTB)) {
435 /* flush the branch target cache */
436 asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
437 dsb();
438 isb();
439 }
419} 440}
420 441
421static inline void local_flush_tlb_kernel_page(unsigned long kaddr) 442static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
@@ -454,6 +475,12 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
454 dsb(); 475 dsb();
455 isb(); 476 isb();
456 } 477 }
478 if (tlb_flag(TLB_V7_IS_BTB)) {
479 /* flush the branch target cache */
480 asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
481 dsb();
482 isb();
483 }
457} 484}
458 485
459/* 486/*
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index e6a0fb0f392e..7ee48e7f8f31 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -676,10 +676,10 @@ do_fpe:
676 * lr = unrecognised FP instruction return address 676 * lr = unrecognised FP instruction return address
677 */ 677 */
678 678
679 .data 679 .pushsection .data
680ENTRY(fp_enter) 680ENTRY(fp_enter)
681 .word no_fp 681 .word no_fp
682 .text 682 .popsection
683 683
684ENTRY(no_fp) 684ENTRY(no_fp)
685 mov pc, lr 685 mov pc, lr
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 577543f3857f..a01194e583ff 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -86,6 +86,12 @@ int __cpuinit __cpu_up(unsigned int cpu)
86 return PTR_ERR(idle); 86 return PTR_ERR(idle);
87 } 87 }
88 ci->idle = idle; 88 ci->idle = idle;
89 } else {
90 /*
91 * Since this idle thread is being re-used, call
92 * init_idle() to reinitialize the thread structure.
93 */
94 init_idle(idle, cpu);
89 } 95 }
90 96
91 /* 97 /*
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index ea02a7b1c244..7c5f0c024db7 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -21,23 +21,6 @@
21#include <asm/smp_twd.h> 21#include <asm/smp_twd.h>
22#include <asm/hardware/gic.h> 22#include <asm/hardware/gic.h>
23 23
24#define TWD_TIMER_LOAD 0x00
25#define TWD_TIMER_COUNTER 0x04
26#define TWD_TIMER_CONTROL 0x08
27#define TWD_TIMER_INTSTAT 0x0C
28
29#define TWD_WDOG_LOAD 0x20
30#define TWD_WDOG_COUNTER 0x24
31#define TWD_WDOG_CONTROL 0x28
32#define TWD_WDOG_INTSTAT 0x2C
33#define TWD_WDOG_RESETSTAT 0x30
34#define TWD_WDOG_DISABLE 0x34
35
36#define TWD_TIMER_CONTROL_ENABLE (1 << 0)
37#define TWD_TIMER_CONTROL_ONESHOT (0 << 1)
38#define TWD_TIMER_CONTROL_PERIODIC (1 << 1)
39#define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2)
40
41/* set up by the platform code */ 24/* set up by the platform code */
42void __iomem *twd_base; 25void __iomem *twd_base;
43 26
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index 5e3f99620c04..14a0d988c82c 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -45,6 +45,7 @@ USER( strnebt r2, [r0])
45 mov r0, #0 45 mov r0, #0
46 ldmfd sp!, {r1, pc} 46 ldmfd sp!, {r1, pc}
47ENDPROC(__clear_user) 47ENDPROC(__clear_user)
48ENDPROC(__clear_user_std)
48 49
49 .pushsection .fixup,"ax" 50 .pushsection .fixup,"ax"
50 .align 0 51 .align 0
diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
index 027b69bdbad1..d066df686e17 100644
--- a/arch/arm/lib/copy_to_user.S
+++ b/arch/arm/lib/copy_to_user.S
@@ -93,6 +93,7 @@ WEAK(__copy_to_user)
93#include "copy_template.S" 93#include "copy_template.S"
94 94
95ENDPROC(__copy_to_user) 95ENDPROC(__copy_to_user)
96ENDPROC(__copy_to_user_std)
96 97
97 .pushsection .fixup,"ax" 98 .pushsection .fixup,"ax"
98 .align 0 99 .align 0
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 122e61a9f505..e8cb982f5e8e 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -410,7 +410,7 @@ static struct clk_lookup da830_clks[] = {
410 CLK("davinci-mcasp.0", NULL, &mcasp0_clk), 410 CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
411 CLK("davinci-mcasp.1", NULL, &mcasp1_clk), 411 CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
412 CLK("davinci-mcasp.2", NULL, &mcasp2_clk), 412 CLK("davinci-mcasp.2", NULL, &mcasp2_clk),
413 CLK("musb_hdrc", NULL, &usb20_clk), 413 CLK(NULL, "usb20", &usb20_clk),
414 CLK(NULL, "aemif", &aemif_clk), 414 CLK(NULL, "aemif", &aemif_clk),
415 CLK(NULL, "aintc", &aintc_clk), 415 CLK(NULL, "aintc", &aintc_clk),
416 CLK(NULL, "secu_mgr", &secu_mgr_clk), 416 CLK(NULL, "secu_mgr", &secu_mgr_clk),
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index 8f85f73b83a8..1ee6ce4087b8 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -16,6 +16,7 @@
16#include <linux/io.h> 16#include <linux/io.h>
17 17
18#include <asm/clkdev.h> 18#include <asm/clkdev.h>
19#include <asm/div64.h>
19 20
20#include <mach/hardware.h> 21#include <mach/hardware.h>
21#include <mach/common.h> 22#include <mach/common.h>
diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h
index 811743c56147..5f2ba8d9015c 100644
--- a/arch/arm/mach-pxa/include/mach/colibri.h
+++ b/arch/arm/mach-pxa/include/mach/colibri.h
@@ -2,6 +2,7 @@
2#define _COLIBRI_H_ 2#define _COLIBRI_H_
3 3
4#include <net/ax88796.h> 4#include <net/ax88796.h>
5#include <mach/mfp.h>
5 6
6/* 7/*
7 * common settings for all modules 8 * common settings for all modules
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 7515757d6911..3d8d8cb09685 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -202,7 +202,7 @@
202#define __cpu_is_pxa950(id) \ 202#define __cpu_is_pxa950(id) \
203 ({ \ 203 ({ \
204 unsigned int _id = (id) >> 4 & 0xfff; \ 204 unsigned int _id = (id) >> 4 & 0xfff; \
205 id == 0x697; \ 205 _id == 0x697; \
206 }) 206 })
207#else 207#else
208#define __cpu_is_pxa950(id) (0) 208#define __cpu_is_pxa950(id) (0)
diff --git a/arch/arm/mach-pxa/include/mach/regs-u2d.h b/arch/arm/mach-pxa/include/mach/regs-u2d.h
index 44b0b20b69a4..c15c0c57de08 100644
--- a/arch/arm/mach-pxa/include/mach/regs-u2d.h
+++ b/arch/arm/mach-pxa/include/mach/regs-u2d.h
@@ -166,7 +166,8 @@
166#define U2DMACSR_BUSERRTYPE (7 << 10) /* PX Bus Error Type */ 166#define U2DMACSR_BUSERRTYPE (7 << 10) /* PX Bus Error Type */
167#define U2DMACSR_EORINTR (1 << 9) /* End Of Receive */ 167#define U2DMACSR_EORINTR (1 << 9) /* End Of Receive */
168#define U2DMACSR_REQPEND (1 << 8) /* Request Pending */ 168#define U2DMACSR_REQPEND (1 << 8) /* Request Pending */
169#define U2DMACSR_RASINTR (1 << 4) /* Request After Channel Stopped (read / write 1 clear) */#define U2DMACSR_STOPINTR (1 << 3) /* Stop Interrupt (read only) */ 169#define U2DMACSR_RASINTR (1 << 4) /* Request After Channel Stopped (read / write 1 clear) */
170#define U2DMACSR_STOPINTR (1 << 3) /* Stop Interrupt (read only) */
170#define U2DMACSR_ENDINTR (1 << 2) /* End Interrupt (read / write 1 clear) */ 171#define U2DMACSR_ENDINTR (1 << 2) /* End Interrupt (read / write 1 clear) */
171#define U2DMACSR_STARTINTR (1 << 1) /* Start Interrupt (read / write 1 clear) */ 172#define U2DMACSR_STARTINTR (1 << 1) /* Start Interrupt (read / write 1 clear) */
172#define U2DMACSR_BUSERRINTR (1 << 0) /* Bus Error Interrupt (read / write 1 clear) */ 173#define U2DMACSR_BUSERRINTR (1 << 0) /* Bus Error Interrupt (read / write 1 clear) */
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 44bb675e47f1..d12667bd9ebe 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -983,7 +983,7 @@ static void __init raumfeld_common_init(void)
983 int i; 983 int i;
984 984
985 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++) 985 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
986 if (!strcmp(gpio_keys_button[i].desc, "on/off button")) 986 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
987 gpio_keys_button[i].active_low = 1; 987 gpio_keys_button[i].active_low = 1;
988 } 988 }
989 989
@@ -1009,8 +1009,7 @@ static void __init raumfeld_common_init(void)
1009 gpio_direction_output(GPIO_W2W_PDN, 0); 1009 gpio_direction_output(GPIO_W2W_PDN, 0);
1010 1010
1011 /* this can be used to switch off the device */ 1011 /* this can be used to switch off the device */
1012 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, 1012 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1013 "supply shutdown");
1014 if (ret < 0) 1013 if (ret < 0)
1015 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n"); 1014 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1016 else 1015 else
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 19b5109d9808..01bdd7500df4 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -363,7 +363,7 @@ static struct gpio_keys_button spitz_gpio_keys[] = {
363 .type = EV_PWR, 363 .type = EV_PWR,
364 .code = KEY_SUSPEND, 364 .code = KEY_SUSPEND,
365 .gpio = SPITZ_GPIO_ON_KEY, 365 .gpio = SPITZ_GPIO_ON_KEY,
366 .desc = "On/Off", 366 .desc = "On Off",
367 .wakeup = 1, 367 .wakeup = 1,
368 }, 368 },
369 /* Two buttons detecting the lid state */ 369 /* Two buttons detecting the lid state */
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 9e0c5c3988a1..e90114a7e246 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -34,6 +34,7 @@
34#include <linux/pm.h> 34#include <linux/pm.h>
35#include <linux/sched.h> 35#include <linux/sched.h>
36#include <linux/gpio.h> 36#include <linux/gpio.h>
37#include <linux/jiffies.h>
37#include <linux/i2c-gpio.h> 38#include <linux/i2c-gpio.h>
38#include <linux/serial_8250.h> 39#include <linux/serial_8250.h>
39#include <linux/smc91x.h> 40#include <linux/smc91x.h>
@@ -454,7 +455,7 @@ static struct i2c_gpio_platform_data i2c_bus_data = {
454 .sda_pin = VIPER_RTC_I2C_SDA_GPIO, 455 .sda_pin = VIPER_RTC_I2C_SDA_GPIO,
455 .scl_pin = VIPER_RTC_I2C_SCL_GPIO, 456 .scl_pin = VIPER_RTC_I2C_SCL_GPIO,
456 .udelay = 10, 457 .udelay = 10,
457 .timeout = 100, 458 .timeout = HZ,
458}; 459};
459 460
460static struct platform_device i2c_bus_device = { 461static struct platform_device i2c_bus_device = {
@@ -779,7 +780,7 @@ static void __init viper_tpm_init(void)
779 .sda_pin = VIPER_TPM_I2C_SDA_GPIO, 780 .sda_pin = VIPER_TPM_I2C_SDA_GPIO,
780 .scl_pin = VIPER_TPM_I2C_SCL_GPIO, 781 .scl_pin = VIPER_TPM_I2C_SCL_GPIO,
781 .udelay = 10, 782 .udelay = 10,
782 .timeout = 100, 783 .timeout = HZ,
783 }; 784 };
784 char *errstr; 785 char *errstr;
785 786
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index b17d52f7cc48..fd4c52b7ccb6 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -57,7 +57,7 @@ config SA1100_COLLIE
57config SA1100_H3100 57config SA1100_H3100
58 bool "Compaq iPAQ H3100" 58 bool "Compaq iPAQ H3100"
59 select HTC_EGPIO 59 select HTC_EGPIO
60 select CPU_FREQ_SA1100 60 select CPU_FREQ_SA1110
61 help 61 help
62 Say Y here if you intend to run this kernel on the Compaq iPAQ 62 Say Y here if you intend to run this kernel on the Compaq iPAQ
63 H3100 handheld computer. Information about this machine and the 63 H3100 handheld computer. Information about this machine and the
@@ -68,7 +68,7 @@ config SA1100_H3100
68config SA1100_H3600 68config SA1100_H3600
69 bool "Compaq iPAQ H3600/H3700" 69 bool "Compaq iPAQ H3600/H3700"
70 select HTC_EGPIO 70 select HTC_EGPIO
71 select CPU_FREQ_SA1100 71 select CPU_FREQ_SA1110
72 help 72 help
73 Say Y here if you intend to run this kernel on the Compaq iPAQ 73 Say Y here if you intend to run this kernel on the Compaq iPAQ
74 H3600 handheld computer. Information about this machine and the 74 H3600 handheld computer. Information about this machine and the
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 63b32b68b296..7252874d328b 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -363,6 +363,9 @@ static int __init sa1110_clk_init(void)
363 struct sdram_params *sdram; 363 struct sdram_params *sdram;
364 const char *name = sdram_name; 364 const char *name = sdram_name;
365 365
366 if (!cpu_is_sa1110())
367 return -ENODEV;
368
366 if (!name[0]) { 369 if (!name[0]) {
367 if (machine_is_assabet()) 370 if (machine_is_assabet())
368 name = "TC59SM716-CL3"; 371 name = "TC59SM716-CL3";
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index 9d89c67a1cc3..e46ecd847138 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -211,6 +211,9 @@ v6_dma_inv_range:
211 mcrne p15, 0, r1, c7, c15, 1 @ clean & invalidate unified line 211 mcrne p15, 0, r1, c7, c15, 1 @ clean & invalidate unified line
212#endif 212#endif
2131: 2131:
214#ifdef CONFIG_SMP
215 str r0, [r0] @ write for ownership
216#endif
214#ifdef HARVARD_CACHE 217#ifdef HARVARD_CACHE
215 mcr p15, 0, r0, c7, c6, 1 @ invalidate D line 218 mcr p15, 0, r0, c7, c6, 1 @ invalidate D line
216#else 219#else
@@ -231,6 +234,9 @@ v6_dma_inv_range:
231v6_dma_clean_range: 234v6_dma_clean_range:
232 bic r0, r0, #D_CACHE_LINE_SIZE - 1 235 bic r0, r0, #D_CACHE_LINE_SIZE - 1
2331: 2361:
237#ifdef CONFIG_SMP
238 ldr r2, [r0] @ read for ownership
239#endif
234#ifdef HARVARD_CACHE 240#ifdef HARVARD_CACHE
235 mcr p15, 0, r0, c7, c10, 1 @ clean D line 241 mcr p15, 0, r0, c7, c10, 1 @ clean D line
236#else 242#else
@@ -251,6 +257,10 @@ v6_dma_clean_range:
251ENTRY(v6_dma_flush_range) 257ENTRY(v6_dma_flush_range)
252 bic r0, r0, #D_CACHE_LINE_SIZE - 1 258 bic r0, r0, #D_CACHE_LINE_SIZE - 1
2531: 2591:
260#ifdef CONFIG_SMP
261 ldr r2, [r0] @ read for ownership
262 str r2, [r0] @ write for ownership
263#endif
254#ifdef HARVARD_CACHE 264#ifdef HARVARD_CACHE
255 mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line 265 mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line
256#else 266#else
@@ -273,7 +283,9 @@ ENTRY(v6_dma_map_area)
273 add r1, r1, r0 283 add r1, r1, r0
274 teq r2, #DMA_FROM_DEVICE 284 teq r2, #DMA_FROM_DEVICE
275 beq v6_dma_inv_range 285 beq v6_dma_inv_range
276 b v6_dma_clean_range 286 teq r2, #DMA_TO_DEVICE
287 beq v6_dma_clean_range
288 b v6_dma_flush_range
277ENDPROC(v6_dma_map_area) 289ENDPROC(v6_dma_map_area)
278 290
279/* 291/*
@@ -283,9 +295,6 @@ ENDPROC(v6_dma_map_area)
283 * - dir - DMA direction 295 * - dir - DMA direction
284 */ 296 */
285ENTRY(v6_dma_unmap_area) 297ENTRY(v6_dma_unmap_area)
286 add r1, r1, r0
287 teq r2, #DMA_TO_DEVICE
288 bne v6_dma_inv_range
289 mov pc, lr 298 mov pc, lr
290ENDPROC(v6_dma_unmap_area) 299ENDPROC(v6_dma_unmap_area)
291 300
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index bcd64f265870..06a90dcfc60a 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -167,7 +167,11 @@ ENTRY(v7_coherent_user_range)
167 cmp r0, r1 167 cmp r0, r1
168 blo 1b 168 blo 1b
169 mov r0, #0 169 mov r0, #0
170#ifdef CONFIG_SMP
171 mcr p15, 0, r0, c7, c1, 6 @ invalidate BTB Inner Shareable
172#else
170 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB 173 mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB
174#endif
171 dsb 175 dsb
172 isb 176 isb
173 mov pc, lr 177 mov pc, lr
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 83db12a68d56..0ed29bfeba1c 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -86,9 +86,6 @@ void show_mem(void)
86 printk("Mem-info:\n"); 86 printk("Mem-info:\n");
87 show_free_areas(); 87 show_free_areas();
88 for_each_online_node(node) { 88 for_each_online_node(node) {
89 pg_data_t *n = NODE_DATA(node);
90 struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
91
92 for_each_nodebank (i,mi,node) { 89 for_each_nodebank (i,mi,node) {
93 struct membank *bank = &mi->bank[i]; 90 struct membank *bank = &mi->bank[i];
94 unsigned int pfn1, pfn2; 91 unsigned int pfn1, pfn2;
@@ -97,8 +94,8 @@ void show_mem(void)
97 pfn1 = bank_pfn_start(bank); 94 pfn1 = bank_pfn_start(bank);
98 pfn2 = bank_pfn_end(bank); 95 pfn2 = bank_pfn_end(bank);
99 96
100 page = map + pfn1; 97 page = pfn_to_page(pfn1);
101 end = map + pfn2; 98 end = pfn_to_page(pfn2 - 1) + 1;
102 99
103 do { 100 do {
104 total++; 101 total++;
@@ -603,9 +600,6 @@ void __init mem_init(void)
603 reserved_pages = free_pages = 0; 600 reserved_pages = free_pages = 0;
604 601
605 for_each_online_node(node) { 602 for_each_online_node(node) {
606 pg_data_t *n = NODE_DATA(node);
607 struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
608
609 for_each_nodebank(i, &meminfo, node) { 603 for_each_nodebank(i, &meminfo, node) {
610 struct membank *bank = &meminfo.bank[i]; 604 struct membank *bank = &meminfo.bank[i];
611 unsigned int pfn1, pfn2; 605 unsigned int pfn1, pfn2;
@@ -614,8 +608,8 @@ void __init mem_init(void)
614 pfn1 = bank_pfn_start(bank); 608 pfn1 = bank_pfn_start(bank);
615 pfn2 = bank_pfn_end(bank); 609 pfn2 = bank_pfn_end(bank);
616 610
617 page = map + pfn1; 611 page = pfn_to_page(pfn1);
618 end = map + pfn2; 612 end = pfn_to_page(pfn2 - 1) + 1;
619 613
620 do { 614 do {
621 if (PageReserved(page)) 615 if (PageReserved(page))
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 9bfeb6b9509a..33b327379f07 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -65,6 +65,15 @@ void flush_dcache_page(struct page *page)
65} 65}
66EXPORT_SYMBOL(flush_dcache_page); 66EXPORT_SYMBOL(flush_dcache_page);
67 67
68void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
69 unsigned long uaddr, void *dst, const void *src,
70 unsigned long len)
71{
72 memcpy(dst, src, len);
73 if (vma->vm_flags & VM_EXEC)
74 __cpuc_coherent_user_range(uaddr, uaddr + len);
75}
76
68void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, 77void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
69 size_t size, unsigned int mtype) 78 size_t size, unsigned int mtype)
70{ 79{
@@ -87,8 +96,8 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
87} 96}
88EXPORT_SYMBOL(__arm_ioremap); 97EXPORT_SYMBOL(__arm_ioremap);
89 98
90void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size, 99void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size,
91 unsigned int mtype, void *caller) 100 unsigned int mtype, void *caller)
92{ 101{
93 return __arm_ioremap(phys_addr, size, mtype); 102 return __arm_ioremap(phys_addr, size, mtype);
94} 103}
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index 0cb1848bd876..f3f288a9546d 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -50,7 +50,11 @@ ENTRY(v7wbi_flush_user_tlb_range)
50 cmp r0, r1 50 cmp r0, r1
51 blo 1b 51 blo 1b
52 mov ip, #0 52 mov ip, #0
53#ifdef CONFIG_SMP
54 mcr p15, 0, ip, c7, c1, 6 @ flush BTAC/BTB Inner Shareable
55#else
53 mcr p15, 0, ip, c7, c5, 6 @ flush BTAC/BTB 56 mcr p15, 0, ip, c7, c5, 6 @ flush BTAC/BTB
57#endif
54 dsb 58 dsb
55 mov pc, lr 59 mov pc, lr
56ENDPROC(v7wbi_flush_user_tlb_range) 60ENDPROC(v7wbi_flush_user_tlb_range)
@@ -79,7 +83,11 @@ ENTRY(v7wbi_flush_kern_tlb_range)
79 cmp r0, r1 83 cmp r0, r1
80 blo 1b 84 blo 1b
81 mov r2, #0 85 mov r2, #0
86#ifdef CONFIG_SMP
87 mcr p15, 0, r2, c7, c1, 6 @ flush BTAC/BTB Inner Shareable
88#else
82 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB 89 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
90#endif
83 dsb 91 dsb
84 isb 92 isb
85 mov pc, lr 93 mov pc, lr
diff --git a/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
index 07be8ad7ec37..7c4870bd5a21 100644
--- a/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
+++ b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
@@ -31,7 +31,13 @@
31#define DMA_MODE_WRITE 1 31#define DMA_MODE_WRITE 1
32#define DMA_MODE_MASK 1 32#define DMA_MODE_MASK 1
33 33
34#define DMA_BASE IO_ADDRESS(DMA_BASE_ADDR) 34#define MX1_DMA_REG(offset) MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR + (offset))
35
36/* DMA Interrupt Mask Register */
37#define MX1_DMA_DIMR MX1_DMA_REG(0x08)
38
39/* Channel Control Register */
40#define MX1_DMA_CCR(x) MX1_DMA_REG(0x8c + ((x) << 6))
35 41
36#define IMX_DMA_MEMSIZE_32 (0 << 4) 42#define IMX_DMA_MEMSIZE_32 (0 << 4)
37#define IMX_DMA_MEMSIZE_8 (1 << 4) 43#define IMX_DMA_MEMSIZE_8 (1 << 4)
diff --git a/arch/arm/plat-pxa/dma.c b/arch/arm/plat-pxa/dma.c
index 742350e0f2a7..2d3c19d7c7b1 100644
--- a/arch/arm/plat-pxa/dma.c
+++ b/arch/arm/plat-pxa/dma.c
@@ -245,7 +245,7 @@ static void pxa_dma_init_debugfs(void)
245 245
246 dbgfs_chan = kmalloc(sizeof(*dbgfs_state) * num_dma_channels, 246 dbgfs_chan = kmalloc(sizeof(*dbgfs_state) * num_dma_channels,
247 GFP_KERNEL); 247 GFP_KERNEL);
248 if (!dbgfs_state) 248 if (!dbgfs_chan)
249 goto err_alloc; 249 goto err_alloc;
250 250
251 chandir = debugfs_create_dir("channels", dbgfs_root); 251 chandir = debugfs_create_dir("channels", dbgfs_root);
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 1536f1784cac..8f10d24ae625 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
12# 12#
13# http://www.arm.linux.org.uk/developer/machines/?action=new 13# http://www.arm.linux.org.uk/developer/machines/?action=new
14# 14#
15# Last update: Sat Mar 20 15:35:41 2010 15# Last update: Sat May 1 10:36:42 2010
16# 16#
17# machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number 17# machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number
18# 18#
@@ -2749,3 +2749,58 @@ stamp9g45 MACH_STAMP9G45 STAMP9G45 2761
2749h6053 MACH_H6053 H6053 2762 2749h6053 MACH_H6053 H6053 2762
2750smint01 MACH_SMINT01 SMINT01 2763 2750smint01 MACH_SMINT01 SMINT01 2763
2751prtlvt2 MACH_PRTLVT2 PRTLVT2 2764 2751prtlvt2 MACH_PRTLVT2 PRTLVT2 2764
2752ap420 MACH_AP420 AP420 2765
2753htcshift MACH_HTCSHIFT HTCSHIFT 2766
2754davinci_dm365_fc MACH_DAVINCI_DM365_FC DAVINCI_DM365_FC 2767
2755msm8x55_surf MACH_MSM8X55_SURF MSM8X55_SURF 2768
2756msm8x55_ffa MACH_MSM8X55_FFA MSM8X55_FFA 2769
2757esl_vamana MACH_ESL_VAMANA ESL_VAMANA 2770
2758sbc35 MACH_SBC35 SBC35 2771
2759mpx6446 MACH_MPX6446 MPX6446 2772
2760oreo_controller MACH_OREO_CONTROLLER OREO_CONTROLLER 2773
2761kopin_models MACH_KOPIN_MODELS KOPIN_MODELS 2774
2762ttc_vision2 MACH_TTC_VISION2 TTC_VISION2 2775
2763cns3420vb MACH_CNS3420VB CNS3420VB 2776
2764lpc2 MACH_LPC2 LPC2 2777
2765olympus MACH_OLYMPUS OLYMPUS 2778
2766vortex MACH_VORTEX VORTEX 2779
2767s5pc200 MACH_S5PC200 S5PC200 2780
2768ecucore_9263 MACH_ECUCORE_9263 ECUCORE_9263 2781
2769smdkc200 MACH_SMDKC200 SMDKC200 2782
2770emsiso_sx27 MACH_EMSISO_SX27 EMSISO_SX27 2783
2771apx_som9g45_ek MACH_APX_SOM9G45_EK APX_SOM9G45_EK 2784
2772songshan MACH_SONGSHAN SONGSHAN 2785
2773tianshan MACH_TIANSHAN TIANSHAN 2786
2774vpx500 MACH_VPX500 VPX500 2787
2775am3517sam MACH_AM3517SAM AM3517SAM 2788
2776skat91_sim508 MACH_SKAT91_SIM508 SKAT91_SIM508 2789
2777skat91_s3e MACH_SKAT91_S3E SKAT91_S3E 2790
2778omap4_panda MACH_OMAP4_PANDA OMAP4_PANDA 2791
2779df7220 MACH_DF7220 DF7220 2792
2780nemini MACH_NEMINI NEMINI 2793
2781t8200 MACH_T8200 T8200 2794
2782apf51 MACH_APF51 APF51 2795
2783dr_rc_unit MACH_DR_RC_UNIT DR_RC_UNIT 2796
2784bordeaux MACH_BORDEAUX BORDEAUX 2797
2785catania_b MACH_CATANIA_B CATANIA_B 2798
2786mx51_ocean MACH_MX51_OCEAN MX51_OCEAN 2799
2787ti8168evm MACH_TI8168EVM TI8168EVM 2800
2788neocoreomap MACH_NEOCOREOMAP NEOCOREOMAP 2801
2789withings_wbp MACH_WITHINGS_WBP WITHINGS_WBP 2802
2790dbps MACH_DBPS DBPS 2803
2791sbc9261 MACH_SBC9261 SBC9261 2804
2792pcbfp0001 MACH_PCBFP0001 PCBFP0001 2805
2793speedy MACH_SPEEDY SPEEDY 2806
2794chrysaor MACH_CHRYSAOR CHRYSAOR 2807
2795tango MACH_TANGO TANGO 2808
2796synology_dsx11 MACH_SYNOLOGY_DSX11 SYNOLOGY_DSX11 2809
2797hanlin_v3ext MACH_HANLIN_V3EXT HANLIN_V3EXT 2810
2798hanlin_v5 MACH_HANLIN_V5 HANLIN_V5 2811
2799hanlin_v3plus MACH_HANLIN_V3PLUS HANLIN_V3PLUS 2812
2800iriver_story MACH_IRIVER_STORY IRIVER_STORY 2813
2801irex_iliad MACH_IREX_ILIAD IREX_ILIAD 2814
2802irex_dr1000 MACH_IREX_DR1000 IREX_DR1000 2815
2803teton_bga MACH_TETON_BGA TETON_BGA 2816
2804snapper9g45 MACH_SNAPPER9G45 SNAPPER9G45 2817
2805tam3517 MACH_TAM3517 TAM3517 2818
2806pdc100 MACH_PDC100 PDC100 2819
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index b131c27ddf57..bbce6a1c6bb6 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -19,7 +19,7 @@
19 19
20#define ATOMIC_INIT(i) { (i) } 20#define ATOMIC_INIT(i) { (i) }
21 21
22#define atomic_read(v) ((v)->counter) 22#define atomic_read(v) (*(volatile int *)&(v)->counter)
23#define atomic_set(v, i) (((v)->counter) = i) 23#define atomic_set(v, i) (((v)->counter) = i)
24 24
25/* 25/*
diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h
index a6aca819e9f3..88dc9b9c4ba0 100644
--- a/arch/cris/include/asm/atomic.h
+++ b/arch/cris/include/asm/atomic.h
@@ -15,7 +15,7 @@
15 15
16#define ATOMIC_INIT(i) { (i) } 16#define ATOMIC_INIT(i) { (i) }
17 17
18#define atomic_read(v) ((v)->counter) 18#define atomic_read(v) (*(volatile int *)&(v)->counter)
19#define atomic_set(v,i) (((v)->counter) = (i)) 19#define atomic_set(v,i) (((v)->counter) = (i))
20 20
21/* These should be written in asm but we do it in C for now. */ 21/* These should be written in asm but we do it in C for now. */
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index 00a57af79afc..fae32c7fdcb6 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -36,7 +36,7 @@
36#define smp_mb__after_atomic_inc() barrier() 36#define smp_mb__after_atomic_inc() barrier()
37 37
38#define ATOMIC_INIT(i) { (i) } 38#define ATOMIC_INIT(i) { (i) }
39#define atomic_read(v) ((v)->counter) 39#define atomic_read(v) (*(volatile int *)&(v)->counter)
40#define atomic_set(v, i) (((v)->counter) = (i)) 40#define atomic_set(v, i) (((v)->counter) = (i))
41 41
42#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS 42#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h
index 33c8c0fa9583..e936804b7508 100644
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -10,7 +10,7 @@
10 10
11#define ATOMIC_INIT(i) { (i) } 11#define ATOMIC_INIT(i) { (i) }
12 12
13#define atomic_read(v) ((v)->counter) 13#define atomic_read(v) (*(volatile int *)&(v)->counter)
14#define atomic_set(v, i) (((v)->counter) = i) 14#define atomic_set(v, i) (((v)->counter) = i)
15 15
16#include <asm/system.h> 16#include <asm/system.h>
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 88405cb0832a..4e1948447a00 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -21,8 +21,8 @@
21#define ATOMIC_INIT(i) ((atomic_t) { (i) }) 21#define ATOMIC_INIT(i) ((atomic_t) { (i) })
22#define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) 22#define ATOMIC64_INIT(i) ((atomic64_t) { (i) })
23 23
24#define atomic_read(v) ((v)->counter) 24#define atomic_read(v) (*(volatile int *)&(v)->counter)
25#define atomic64_read(v) ((v)->counter) 25#define atomic64_read(v) (*(volatile long *)&(v)->counter)
26 26
27#define atomic_set(v,i) (((v)->counter) = (i)) 27#define atomic_set(v,i) (((v)->counter) = (i))
28#define atomic64_set(v,i) (((v)->counter) = (i)) 28#define atomic64_set(v,i) (((v)->counter) = (i))
diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
index 6ebc229a1c51..9da3df6f1a52 100644
--- a/arch/ia64/include/asm/bitops.h
+++ b/arch/ia64/include/asm/bitops.h
@@ -437,17 +437,18 @@ __fls (unsigned long x)
437 * hweightN: returns the hamming weight (i.e. the number 437 * hweightN: returns the hamming weight (i.e. the number
438 * of bits set) of a N-bit word 438 * of bits set) of a N-bit word
439 */ 439 */
440static __inline__ unsigned long 440static __inline__ unsigned long __arch_hweight64(unsigned long x)
441hweight64 (unsigned long x)
442{ 441{
443 unsigned long result; 442 unsigned long result;
444 result = ia64_popcnt(x); 443 result = ia64_popcnt(x);
445 return result; 444 return result;
446} 445}
447 446
448#define hweight32(x) (unsigned int) hweight64((x) & 0xfffffffful) 447#define __arch_hweight32(x) ((unsigned int) __arch_hweight64((x) & 0xfffffffful))
449#define hweight16(x) (unsigned int) hweight64((x) & 0xfffful) 448#define __arch_hweight16(x) ((unsigned int) __arch_hweight64((x) & 0xfffful))
450#define hweight8(x) (unsigned int) hweight64((x) & 0xfful) 449#define __arch_hweight8(x) ((unsigned int) __arch_hweight64((x) & 0xfful))
450
451#include <asm-generic/bitops/const_hweight.h>
451 452
452#endif /* __KERNEL__ */ 453#endif /* __KERNEL__ */
453 454
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 4d1a7e9314cf..c6c90f39f4d9 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -785,6 +785,14 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
785 return 0; 785 return 0;
786} 786}
787 787
788int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
789{
790 if (isa_irq >= 16)
791 return -1;
792 *gsi = isa_irq;
793 return 0;
794}
795
788/* 796/*
789 * ACPI based hotplug CPU support 797 * ACPI based hotplug CPU support
790 */ 798 */
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
index 63f0cf0f50dd..d44a51e5271b 100644
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -26,7 +26,7 @@
26 * 26 *
27 * Atomically reads the value of @v. 27 * Atomically reads the value of @v.
28 */ 28 */
29#define atomic_read(v) ((v)->counter) 29#define atomic_read(v) (*(volatile int *)&(v)->counter)
30 30
31/** 31/**
32 * atomic_set - set atomic variable 32 * atomic_set - set atomic variable
diff --git a/arch/m68k/amiga/Makefile b/arch/m68k/amiga/Makefile
index 6a0d7650f980..11dd30b16b3b 100644
--- a/arch/m68k/amiga/Makefile
+++ b/arch/m68k/amiga/Makefile
@@ -2,6 +2,6 @@
2# Makefile for Linux arch/m68k/amiga source directory 2# Makefile for Linux arch/m68k/amiga source directory
3# 3#
4 4
5obj-y := config.o amiints.o cia.o chipram.o amisound.o 5obj-y := config.o amiints.o cia.o chipram.o amisound.o platform.o
6 6
7obj-$(CONFIG_AMIGA_PCMCIA) += pcmcia.o 7obj-$(CONFIG_AMIGA_PCMCIA) += pcmcia.o
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
new file mode 100644
index 000000000000..38f18bf14737
--- /dev/null
+++ b/arch/m68k/amiga/platform.c
@@ -0,0 +1,83 @@
1/*
2 * Copyright (C) 2007-2009 Geert Uytterhoeven
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file COPYING in the main directory of this archive
6 * for more details.
7 */
8
9#include <linux/init.h>
10#include <linux/platform_device.h>
11#include <linux/zorro.h>
12
13#include <asm/amigahw.h>
14
15
16#ifdef CONFIG_ZORRO
17
18static const struct resource zorro_resources[] __initconst = {
19 /* Zorro II regions (on Zorro II/III) */
20 {
21 .name = "Zorro II exp",
22 .start = 0x00e80000,
23 .end = 0x00efffff,
24 .flags = IORESOURCE_MEM,
25 }, {
26 .name = "Zorro II mem",
27 .start = 0x00200000,
28 .end = 0x009fffff,
29 .flags = IORESOURCE_MEM,
30 },
31 /* Zorro III regions (on Zorro III only) */
32 {
33 .name = "Zorro III exp",
34 .start = 0xff000000,
35 .end = 0xffffffff,
36 .flags = IORESOURCE_MEM,
37 }, {
38 .name = "Zorro III cfg",
39 .start = 0x40000000,
40 .end = 0x7fffffff,
41 .flags = IORESOURCE_MEM,
42 }
43};
44
45
46static int __init amiga_init_bus(void)
47{
48 if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
49 return -ENODEV;
50
51 platform_device_register_simple("amiga-zorro", -1, zorro_resources,
52 AMIGAHW_PRESENT(ZORRO3) ? 4 : 2);
53 return 0;
54}
55
56subsys_initcall(amiga_init_bus);
57
58#endif /* CONFIG_ZORRO */
59
60
61static int __init amiga_init_devices(void)
62{
63 if (!MACH_IS_AMIGA)
64 return -ENODEV;
65
66 /* video hardware */
67 if (AMIGAHW_PRESENT(AMI_VIDEO))
68 platform_device_register_simple("amiga-video", -1, NULL, 0);
69
70
71 /* sound hardware */
72 if (AMIGAHW_PRESENT(AMI_AUDIO))
73 platform_device_register_simple("amiga-audio", -1, NULL, 0);
74
75
76 /* storage interfaces */
77 if (AMIGAHW_PRESENT(AMI_FLOPPY))
78 platform_device_register_simple("amiga-floppy", -1, NULL, 0);
79
80 return 0;
81}
82
83device_initcall(amiga_init_devices);
diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index b46ea1714a89..cb8617bb194b 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -9,7 +9,6 @@
9#include <linux/types.h> 9#include <linux/types.h>
10#include <linux/errno.h> 10#include <linux/errno.h>
11#include <linux/miscdevice.h> 11#include <linux/miscdevice.h>
12#include <linux/smp_lock.h>
13#include <linux/ioport.h> 12#include <linux/ioport.h>
14#include <linux/capability.h> 13#include <linux/capability.h>
15#include <linux/fcntl.h> 14#include <linux/fcntl.h>
@@ -35,10 +34,9 @@
35static unsigned char days_in_mo[] = 34static unsigned char days_in_mo[] =
36{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; 35{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
37 36
38static char rtc_status; 37static atomic_t rtc_status = ATOMIC_INIT(1);
39 38
40static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 39static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
41 unsigned long arg)
42{ 40{
43 volatile RtcPtr_t rtc = (RtcPtr_t)BVME_RTC_BASE; 41 volatile RtcPtr_t rtc = (RtcPtr_t)BVME_RTC_BASE;
44 unsigned char msr; 42 unsigned char msr;
@@ -132,29 +130,20 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
132} 130}
133 131
134/* 132/*
135 * We enforce only one user at a time here with the open/close. 133 * We enforce only one user at a time here with the open/close.
136 * Also clear the previous interrupt data on an open, and clean
137 * up things on a close.
138 */ 134 */
139
140static int rtc_open(struct inode *inode, struct file *file) 135static int rtc_open(struct inode *inode, struct file *file)
141{ 136{
142 lock_kernel(); 137 if (!atomic_dec_and_test(&rtc_status)) {
143 if(rtc_status) { 138 atomic_inc(&rtc_status);
144 unlock_kernel();
145 return -EBUSY; 139 return -EBUSY;
146 } 140 }
147
148 rtc_status = 1;
149 unlock_kernel();
150 return 0; 141 return 0;
151} 142}
152 143
153static int rtc_release(struct inode *inode, struct file *file) 144static int rtc_release(struct inode *inode, struct file *file)
154{ 145{
155 lock_kernel(); 146 atomic_inc(&rtc_status);
156 rtc_status = 0;
157 unlock_kernel();
158 return 0; 147 return 0;
159} 148}
160 149
@@ -163,9 +152,9 @@ static int rtc_release(struct inode *inode, struct file *file)
163 */ 152 */
164 153
165static const struct file_operations rtc_fops = { 154static const struct file_operations rtc_fops = {
166 .ioctl = rtc_ioctl, 155 .unlocked_ioctl = rtc_ioctl,
167 .open = rtc_open, 156 .open = rtc_open,
168 .release = rtc_release, 157 .release = rtc_release,
169}; 158};
170 159
171static struct miscdevice rtc_dev = { 160static struct miscdevice rtc_dev = {
diff --git a/arch/m68k/hp300/time.h b/arch/m68k/hp300/time.h
index f5b3d098b0f5..7b98242960de 100644
--- a/arch/m68k/hp300/time.h
+++ b/arch/m68k/hp300/time.h
@@ -1,4 +1,2 @@
1extern void hp300_sched_init(irq_handler_t vector); 1extern void hp300_sched_init(irq_handler_t vector);
2extern unsigned long hp300_gettimeoffset (void); 2extern unsigned long hp300_gettimeoffset(void);
3
4
diff --git a/arch/m68k/include/asm/atomic_mm.h b/arch/m68k/include/asm/atomic_mm.h
index d9d2ed647435..6a223b3f7e74 100644
--- a/arch/m68k/include/asm/atomic_mm.h
+++ b/arch/m68k/include/asm/atomic_mm.h
@@ -15,7 +15,7 @@
15 15
16#define ATOMIC_INIT(i) { (i) } 16#define ATOMIC_INIT(i) { (i) }
17 17
18#define atomic_read(v) ((v)->counter) 18#define atomic_read(v) (*(volatile int *)&(v)->counter)
19#define atomic_set(v, i) (((v)->counter) = i) 19#define atomic_set(v, i) (((v)->counter) = i)
20 20
21static inline void atomic_add(int i, atomic_t *v) 21static inline void atomic_add(int i, atomic_t *v)
diff --git a/arch/m68k/include/asm/atomic_no.h b/arch/m68k/include/asm/atomic_no.h
index 5674cb9449bd..289310c63a8a 100644
--- a/arch/m68k/include/asm/atomic_no.h
+++ b/arch/m68k/include/asm/atomic_no.h
@@ -15,7 +15,7 @@
15 15
16#define ATOMIC_INIT(i) { (i) } 16#define ATOMIC_INIT(i) { (i) }
17 17
18#define atomic_read(v) ((v)->counter) 18#define atomic_read(v) (*(volatile int *)&(v)->counter)
19#define atomic_set(v, i) (((v)->counter) = i) 19#define atomic_set(v, i) (((v)->counter) = i)
20 20
21static __inline__ void atomic_add(int i, atomic_t *v) 21static __inline__ void atomic_add(int i, atomic_t *v)
diff --git a/arch/m68k/include/asm/bitops_mm.h b/arch/m68k/include/asm/bitops_mm.h
index 9bde784e7bad..b4ecdaada520 100644
--- a/arch/m68k/include/asm/bitops_mm.h
+++ b/arch/m68k/include/asm/bitops_mm.h
@@ -365,6 +365,10 @@ static inline int minix_test_bit(int nr, const void *vaddr)
365#define ext2_set_bit_atomic(lock, nr, addr) test_and_set_bit((nr) ^ 24, (unsigned long *)(addr)) 365#define ext2_set_bit_atomic(lock, nr, addr) test_and_set_bit((nr) ^ 24, (unsigned long *)(addr))
366#define ext2_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr)) 366#define ext2_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
367#define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr)) 367#define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
368#define ext2_find_next_zero_bit(addr, size, offset) \
369 generic_find_next_zero_le_bit((unsigned long *)addr, size, offset)
370#define ext2_find_next_bit(addr, size, offset) \
371 generic_find_next_le_bit((unsigned long *)addr, size, offset)
368 372
369static inline int ext2_test_bit(int nr, const void *vaddr) 373static inline int ext2_test_bit(int nr, const void *vaddr)
370{ 374{
@@ -394,10 +398,9 @@ static inline int ext2_find_first_zero_bit(const void *vaddr, unsigned size)
394 return (p - addr) * 32 + res; 398 return (p - addr) * 32 + res;
395} 399}
396 400
397static inline int ext2_find_next_zero_bit(const void *vaddr, unsigned size, 401static inline unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
398 unsigned offset) 402 unsigned long size, unsigned long offset)
399{ 403{
400 const unsigned long *addr = vaddr;
401 const unsigned long *p = addr + (offset >> 5); 404 const unsigned long *p = addr + (offset >> 5);
402 int bit = offset & 31UL, res; 405 int bit = offset & 31UL, res;
403 406
@@ -437,10 +440,9 @@ static inline int ext2_find_first_bit(const void *vaddr, unsigned size)
437 return (p - addr) * 32 + res; 440 return (p - addr) * 32 + res;
438} 441}
439 442
440static inline int ext2_find_next_bit(const void *vaddr, unsigned size, 443static inline unsigned long generic_find_next_le_bit(const unsigned long *addr,
441 unsigned offset) 444 unsigned long size, unsigned long offset)
442{ 445{
443 const unsigned long *addr = vaddr;
444 const unsigned long *p = addr + (offset >> 5); 446 const unsigned long *p = addr + (offset >> 5);
445 int bit = offset & 31UL, res; 447 int bit = offset & 31UL, res;
446 448
diff --git a/arch/m68k/include/asm/param.h b/arch/m68k/include/asm/param.h
index 85c41b75aa78..36265ccf5c7b 100644
--- a/arch/m68k/include/asm/param.h
+++ b/arch/m68k/include/asm/param.h
@@ -1,26 +1,12 @@
1#ifndef _M68K_PARAM_H 1#ifndef _M68K_PARAM_H
2#define _M68K_PARAM_H 2#define _M68K_PARAM_H
3 3
4#ifdef __KERNEL__
5# define HZ CONFIG_HZ /* Internal kernel timer frequency */
6# define USER_HZ 100 /* .. some user interfaces are in "ticks" */
7# define CLOCKS_PER_SEC (USER_HZ) /* like times() */
8#endif
9
10#ifndef HZ
11#define HZ 100
12#endif
13
14#ifdef __uClinux__ 4#ifdef __uClinux__
15#define EXEC_PAGESIZE 4096 5#define EXEC_PAGESIZE 4096
16#else 6#else
17#define EXEC_PAGESIZE 8192 7#define EXEC_PAGESIZE 8192
18#endif 8#endif
19 9
20#ifndef NOGROUP 10#include <asm-generic/param.h>
21#define NOGROUP (-1)
22#endif
23
24#define MAXHOSTNAMELEN 64 /* max length of hostname */
25 11
26#endif /* _M68K_PARAM_H */ 12#endif /* _M68K_PARAM_H */
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index aacd6d17b833..ada4f4cca811 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -455,7 +455,7 @@ static inline void access_error040(struct frame *fp)
455 455
456 if (do_page_fault(&fp->ptregs, addr, errorcode)) { 456 if (do_page_fault(&fp->ptregs, addr, errorcode)) {
457#ifdef DEBUG 457#ifdef DEBUG
458 printk("do_page_fault() !=0 \n"); 458 printk("do_page_fault() !=0\n");
459#endif 459#endif
460 if (user_mode(&fp->ptregs)){ 460 if (user_mode(&fp->ptregs)){
461 /* delay writebacks after signal delivery */ 461 /* delay writebacks after signal delivery */
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 0356da9bf763..1c16b1baf8db 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -148,7 +148,7 @@ static void mac_cache_card_flush(int writeback)
148void __init config_mac(void) 148void __init config_mac(void)
149{ 149{
150 if (!MACH_IS_MAC) 150 if (!MACH_IS_MAC)
151 printk(KERN_ERR "ERROR: no Mac, but config_mac() called!! \n"); 151 printk(KERN_ERR "ERROR: no Mac, but config_mac() called!!\n");
152 152
153 mach_sched_init = mac_sched_init; 153 mach_sched_init = mac_sched_init;
154 mach_init_IRQ = mac_init_IRQ; 154 mach_init_IRQ = mac_init_IRQ;
@@ -867,7 +867,7 @@ static void __init mac_identify(void)
867 */ 867 */
868 iop_preinit(); 868 iop_preinit();
869 869
870 printk(KERN_INFO "Detected Macintosh model: %d \n", model); 870 printk(KERN_INFO "Detected Macintosh model: %d\n", model);
871 871
872 /* 872 /*
873 * Report booter data: 873 * Report booter data:
@@ -878,12 +878,12 @@ static void __init mac_identify(void)
878 mac_bi_data.videoaddr, mac_bi_data.videorow, 878 mac_bi_data.videoaddr, mac_bi_data.videorow,
879 mac_bi_data.videodepth, mac_bi_data.dimensions & 0xFFFF, 879 mac_bi_data.videodepth, mac_bi_data.dimensions & 0xFFFF,
880 mac_bi_data.dimensions >> 16); 880 mac_bi_data.dimensions >> 16);
881 printk(KERN_DEBUG " Videological 0x%lx phys. 0x%lx, SCC at 0x%lx \n", 881 printk(KERN_DEBUG " Videological 0x%lx phys. 0x%lx, SCC at 0x%lx\n",
882 mac_bi_data.videological, mac_orig_videoaddr, 882 mac_bi_data.videological, mac_orig_videoaddr,
883 mac_bi_data.sccbase); 883 mac_bi_data.sccbase);
884 printk(KERN_DEBUG " Boottime: 0x%lx GMTBias: 0x%lx \n", 884 printk(KERN_DEBUG " Boottime: 0x%lx GMTBias: 0x%lx\n",
885 mac_bi_data.boottime, mac_bi_data.gmtbias); 885 mac_bi_data.boottime, mac_bi_data.gmtbias);
886 printk(KERN_DEBUG " Machine ID: %ld CPUid: 0x%lx memory size: 0x%lx \n", 886 printk(KERN_DEBUG " Machine ID: %ld CPUid: 0x%lx memory size: 0x%lx\n",
887 mac_bi_data.id, mac_bi_data.cpuid, mac_bi_data.memsize); 887 mac_bi_data.id, mac_bi_data.cpuid, mac_bi_data.memsize);
888 888
889 iop_init(); 889 iop_init();
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index d0e35cf99fc6..a96394a0333d 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -154,7 +154,6 @@ good_area:
154 * the fault. 154 * the fault.
155 */ 155 */
156 156
157 survive:
158 fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0); 157 fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
159#ifdef DEBUG 158#ifdef DEBUG
160 printk("handle_mm_fault returns %d\n",fault); 159 printk("handle_mm_fault returns %d\n",fault);
@@ -180,15 +179,10 @@ good_area:
180 */ 179 */
181out_of_memory: 180out_of_memory:
182 up_read(&mm->mmap_sem); 181 up_read(&mm->mmap_sem);
183 if (is_global_init(current)) { 182 if (!user_mode(regs))
184 yield(); 183 goto no_context;
185 down_read(&mm->mmap_sem); 184 pagefault_out_of_memory();
186 goto survive; 185 return 0;
187 }
188
189 printk("VM: killing process %s\n", current->comm);
190 if (user_mode(regs))
191 do_group_exit(SIGKILL);
192 186
193no_context: 187no_context:
194 current->thread.signo = SIGBUS; 188 current->thread.signo = SIGBUS;
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index 8da9c250d3e1..11ac6f63967a 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -9,7 +9,6 @@
9#include <linux/types.h> 9#include <linux/types.h>
10#include <linux/errno.h> 10#include <linux/errno.h>
11#include <linux/miscdevice.h> 11#include <linux/miscdevice.h>
12#include <linux/smp_lock.h>
13#include <linux/ioport.h> 12#include <linux/ioport.h>
14#include <linux/capability.h> 13#include <linux/capability.h>
15#include <linux/fcntl.h> 14#include <linux/fcntl.h>
@@ -36,8 +35,7 @@ static const unsigned char days_in_mo[] =
36 35
37static atomic_t rtc_ready = ATOMIC_INIT(1); 36static atomic_t rtc_ready = ATOMIC_INIT(1);
38 37
39static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 38static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
40 unsigned long arg)
41{ 39{
42 volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE; 40 volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE;
43 unsigned long flags; 41 unsigned long flags;
@@ -120,22 +118,15 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
120} 118}
121 119
122/* 120/*
123 * We enforce only one user at a time here with the open/close. 121 * We enforce only one user at a time here with the open/close.
124 * Also clear the previous interrupt data on an open, and clean
125 * up things on a close.
126 */ 122 */
127
128static int rtc_open(struct inode *inode, struct file *file) 123static int rtc_open(struct inode *inode, struct file *file)
129{ 124{
130 lock_kernel();
131 if( !atomic_dec_and_test(&rtc_ready) ) 125 if( !atomic_dec_and_test(&rtc_ready) )
132 { 126 {
133 atomic_inc( &rtc_ready ); 127 atomic_inc( &rtc_ready );
134 unlock_kernel();
135 return -EBUSY; 128 return -EBUSY;
136 } 129 }
137 unlock_kernel();
138
139 return 0; 130 return 0;
140} 131}
141 132
@@ -150,9 +141,9 @@ static int rtc_release(struct inode *inode, struct file *file)
150 */ 141 */
151 142
152static const struct file_operations rtc_fops = { 143static const struct file_operations rtc_fops = {
153 .ioctl = rtc_ioctl, 144 .unlocked_ioctl = rtc_ioctl,
154 .open = rtc_open, 145 .open = rtc_open,
155 .release = rtc_release, 146 .release = rtc_release,
156}; 147};
157 148
158static struct miscdevice rtc_dev= 149static struct miscdevice rtc_dev=
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 31ab3f08bbda..ad10fecec2fe 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -126,7 +126,7 @@ static void q40_reset(void)
126{ 126{
127 halted = 1; 127 halted = 1;
128 printk("\n\n*******************************************\n" 128 printk("\n\n*******************************************\n"
129 "Called q40_reset : press the RESET button!! \n" 129 "Called q40_reset : press the RESET button!!\n"
130 "*******************************************\n"); 130 "*******************************************\n");
131 Q40_LED_ON(); 131 Q40_LED_ON();
132 while (1) 132 while (1)
diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index 6fced1fe3bf0..3c91cf6192c6 100644
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -1,7 +1,7 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.33-rc6 3# Linux kernel version: 2.6.34-rc6
4# Wed Feb 3 10:02:59 2010 4# Thu May 6 11:22:14 2010
5# 5#
6CONFIG_MICROBLAZE=y 6CONFIG_MICROBLAZE=y
7# CONFIG_SWAP is not set 7# CONFIG_SWAP is not set
@@ -22,8 +22,6 @@ CONFIG_GENERIC_CSUM=y
22CONFIG_STACKTRACE_SUPPORT=y 22CONFIG_STACKTRACE_SUPPORT=y
23CONFIG_LOCKDEP_SUPPORT=y 23CONFIG_LOCKDEP_SUPPORT=y
24CONFIG_HAVE_LATENCYTOP_SUPPORT=y 24CONFIG_HAVE_LATENCYTOP_SUPPORT=y
25# CONFIG_PCI is not set
26CONFIG_NO_DMA=y
27CONFIG_DTC=y 25CONFIG_DTC=y
28CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" 26CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
29CONFIG_CONSTRUCTORS=y 27CONFIG_CONSTRUCTORS=y
@@ -56,7 +54,6 @@ CONFIG_RCU_FANOUT=32
56CONFIG_IKCONFIG=y 54CONFIG_IKCONFIG=y
57CONFIG_IKCONFIG_PROC=y 55CONFIG_IKCONFIG_PROC=y
58CONFIG_LOG_BUF_SHIFT=17 56CONFIG_LOG_BUF_SHIFT=17
59# CONFIG_GROUP_SCHED is not set
60# CONFIG_CGROUPS is not set 57# CONFIG_CGROUPS is not set
61CONFIG_SYSFS_DEPRECATED=y 58CONFIG_SYSFS_DEPRECATED=y
62CONFIG_SYSFS_DEPRECATED_V2=y 59CONFIG_SYSFS_DEPRECATED_V2=y
@@ -106,6 +103,8 @@ CONFIG_SLAB=y
106# CONFIG_SLOB is not set 103# CONFIG_SLOB is not set
107# CONFIG_PROFILING is not set 104# CONFIG_PROFILING is not set
108CONFIG_HAVE_OPROFILE=y 105CONFIG_HAVE_OPROFILE=y
106CONFIG_HAVE_DMA_ATTRS=y
107CONFIG_HAVE_DMA_API_DEBUG=y
109 108
110# 109#
111# GCOV-based kernel profiling 110# GCOV-based kernel profiling
@@ -245,13 +244,20 @@ CONFIG_BINFMT_ELF=y
245# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set 244# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
246# CONFIG_HAVE_AOUT is not set 245# CONFIG_HAVE_AOUT is not set
247# CONFIG_BINFMT_MISC is not set 246# CONFIG_BINFMT_MISC is not set
247
248#
249# Bus Options
250#
251# CONFIG_PCI is not set
252# CONFIG_PCI_DOMAINS is not set
253# CONFIG_PCI_SYSCALL is not set
254# CONFIG_ARCH_SUPPORTS_MSI is not set
248CONFIG_NET=y 255CONFIG_NET=y
249 256
250# 257#
251# Networking options 258# Networking options
252# 259#
253CONFIG_PACKET=y 260CONFIG_PACKET=y
254# CONFIG_PACKET_MMAP is not set
255CONFIG_UNIX=y 261CONFIG_UNIX=y
256CONFIG_XFRM=y 262CONFIG_XFRM=y
257# CONFIG_XFRM_USER is not set 263# CONFIG_XFRM_USER is not set
@@ -341,7 +347,9 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
341# CONFIG_SYS_HYPERVISOR is not set 347# CONFIG_SYS_HYPERVISOR is not set
342# CONFIG_CONNECTOR is not set 348# CONFIG_CONNECTOR is not set
343# CONFIG_MTD is not set 349# CONFIG_MTD is not set
350CONFIG_OF_FLATTREE=y
344CONFIG_OF_DEVICE=y 351CONFIG_OF_DEVICE=y
352CONFIG_OF_MDIO=y
345# CONFIG_PARPORT is not set 353# CONFIG_PARPORT is not set
346CONFIG_BLK_DEV=y 354CONFIG_BLK_DEV=y
347# CONFIG_BLK_DEV_COW_COMMON is not set 355# CONFIG_BLK_DEV_COW_COMMON is not set
@@ -370,6 +378,7 @@ CONFIG_MISC_DEVICES=y
370# 378#
371# SCSI device support 379# SCSI device support
372# 380#
381CONFIG_SCSI_MOD=y
373# CONFIG_RAID_ATTRS is not set 382# CONFIG_RAID_ATTRS is not set
374# CONFIG_SCSI is not set 383# CONFIG_SCSI is not set
375# CONFIG_SCSI_DMA is not set 384# CONFIG_SCSI_DMA is not set
@@ -383,9 +392,30 @@ CONFIG_NETDEVICES=y
383# CONFIG_EQUALIZER is not set 392# CONFIG_EQUALIZER is not set
384# CONFIG_TUN is not set 393# CONFIG_TUN is not set
385# CONFIG_VETH is not set 394# CONFIG_VETH is not set
386# CONFIG_PHYLIB is not set 395CONFIG_PHYLIB=y
396
397#
398# MII PHY device drivers
399#
400# CONFIG_MARVELL_PHY is not set
401# CONFIG_DAVICOM_PHY is not set
402# CONFIG_QSEMI_PHY is not set
403# CONFIG_LXT_PHY is not set
404# CONFIG_CICADA_PHY is not set
405# CONFIG_VITESSE_PHY is not set
406# CONFIG_SMSC_PHY is not set
407# CONFIG_BROADCOM_PHY is not set
408# CONFIG_ICPLUS_PHY is not set
409# CONFIG_REALTEK_PHY is not set
410# CONFIG_NATIONAL_PHY is not set
411# CONFIG_STE10XP is not set
412# CONFIG_LSI_ET1011C_PHY is not set
413# CONFIG_MICREL_PHY is not set
414# CONFIG_FIXED_PHY is not set
415# CONFIG_MDIO_BITBANG is not set
387CONFIG_NET_ETHERNET=y 416CONFIG_NET_ETHERNET=y
388# CONFIG_MII is not set 417# CONFIG_MII is not set
418# CONFIG_ETHOC is not set
389# CONFIG_DNET is not set 419# CONFIG_DNET is not set
390# CONFIG_IBM_NEW_EMAC_ZMII is not set 420# CONFIG_IBM_NEW_EMAC_ZMII is not set
391# CONFIG_IBM_NEW_EMAC_RGMII is not set 421# CONFIG_IBM_NEW_EMAC_RGMII is not set
@@ -394,6 +424,7 @@ CONFIG_NET_ETHERNET=y
394# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set 424# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
395# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set 425# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
396# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set 426# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
427# CONFIG_B44 is not set
397# CONFIG_KS8842 is not set 428# CONFIG_KS8842 is not set
398# CONFIG_KS8851_MLL is not set 429# CONFIG_KS8851_MLL is not set
399CONFIG_XILINX_EMACLITE=y 430CONFIG_XILINX_EMACLITE=y
@@ -444,6 +475,7 @@ CONFIG_SERIAL_UARTLITE=y
444CONFIG_SERIAL_UARTLITE_CONSOLE=y 475CONFIG_SERIAL_UARTLITE_CONSOLE=y
445CONFIG_SERIAL_CORE=y 476CONFIG_SERIAL_CORE=y
446CONFIG_SERIAL_CORE_CONSOLE=y 477CONFIG_SERIAL_CORE_CONSOLE=y
478# CONFIG_SERIAL_TIMBERDALE is not set
447# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set 479# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
448CONFIG_UNIX98_PTYS=y 480CONFIG_UNIX98_PTYS=y
449# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set 481# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -471,6 +503,12 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
471# CONFIG_HWMON is not set 503# CONFIG_HWMON is not set
472# CONFIG_THERMAL is not set 504# CONFIG_THERMAL is not set
473# CONFIG_WATCHDOG is not set 505# CONFIG_WATCHDOG is not set
506CONFIG_SSB_POSSIBLE=y
507
508#
509# Sonics Silicon Backplane
510#
511# CONFIG_SSB is not set
474 512
475# 513#
476# Multifunction device drivers 514# Multifunction device drivers
@@ -502,6 +540,7 @@ CONFIG_USB_ARCH_HAS_EHCI=y
502# CONFIG_NEW_LEDS is not set 540# CONFIG_NEW_LEDS is not set
503# CONFIG_ACCESSIBILITY is not set 541# CONFIG_ACCESSIBILITY is not set
504# CONFIG_RTC_CLASS is not set 542# CONFIG_RTC_CLASS is not set
543# CONFIG_DMADEVICES is not set
505# CONFIG_AUXDISPLAY is not set 544# CONFIG_AUXDISPLAY is not set
506# CONFIG_UIO is not set 545# CONFIG_UIO is not set
507 546
@@ -572,6 +611,7 @@ CONFIG_MISC_FILESYSTEMS=y
572# CONFIG_BEFS_FS is not set 611# CONFIG_BEFS_FS is not set
573# CONFIG_BFS_FS is not set 612# CONFIG_BFS_FS is not set
574# CONFIG_EFS_FS is not set 613# CONFIG_EFS_FS is not set
614# CONFIG_LOGFS is not set
575# CONFIG_CRAMFS is not set 615# CONFIG_CRAMFS is not set
576# CONFIG_SQUASHFS is not set 616# CONFIG_SQUASHFS is not set
577# CONFIG_VXFS_FS is not set 617# CONFIG_VXFS_FS is not set
@@ -595,6 +635,7 @@ CONFIG_SUNRPC=y
595# CONFIG_RPCSEC_GSS_KRB5 is not set 635# CONFIG_RPCSEC_GSS_KRB5 is not set
596# CONFIG_RPCSEC_GSS_SPKM3 is not set 636# CONFIG_RPCSEC_GSS_SPKM3 is not set
597# CONFIG_SMB_FS is not set 637# CONFIG_SMB_FS is not set
638# CONFIG_CEPH_FS is not set
598CONFIG_CIFS=y 639CONFIG_CIFS=y
599CONFIG_CIFS_STATS=y 640CONFIG_CIFS_STATS=y
600CONFIG_CIFS_STATS2=y 641CONFIG_CIFS_STATS2=y
@@ -696,6 +737,7 @@ CONFIG_SCHED_DEBUG=y
696# CONFIG_DEBUG_OBJECTS is not set 737# CONFIG_DEBUG_OBJECTS is not set
697CONFIG_DEBUG_SLAB=y 738CONFIG_DEBUG_SLAB=y
698# CONFIG_DEBUG_SLAB_LEAK is not set 739# CONFIG_DEBUG_SLAB_LEAK is not set
740# CONFIG_DEBUG_KMEMLEAK is not set
699CONFIG_DEBUG_SPINLOCK=y 741CONFIG_DEBUG_SPINLOCK=y
700# CONFIG_DEBUG_MUTEXES is not set 742# CONFIG_DEBUG_MUTEXES is not set
701# CONFIG_DEBUG_LOCK_ALLOC is not set 743# CONFIG_DEBUG_LOCK_ALLOC is not set
@@ -741,6 +783,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
741# CONFIG_KMEMTRACE is not set 783# CONFIG_KMEMTRACE is not set
742# CONFIG_WORKQUEUE_TRACER is not set 784# CONFIG_WORKQUEUE_TRACER is not set
743# CONFIG_BLK_DEV_IO_TRACE is not set 785# CONFIG_BLK_DEV_IO_TRACE is not set
786# CONFIG_DMA_API_DEBUG is not set
744# CONFIG_SAMPLES is not set 787# CONFIG_SAMPLES is not set
745CONFIG_EARLY_PRINTK=y 788CONFIG_EARLY_PRINTK=y
746# CONFIG_HEART_BEAT is not set 789# CONFIG_HEART_BEAT is not set
@@ -862,5 +905,6 @@ CONFIG_ZLIB_INFLATE=y
862CONFIG_DECOMPRESS_GZIP=y 905CONFIG_DECOMPRESS_GZIP=y
863CONFIG_HAS_IOMEM=y 906CONFIG_HAS_IOMEM=y
864CONFIG_HAS_IOPORT=y 907CONFIG_HAS_IOPORT=y
908CONFIG_HAS_DMA=y
865CONFIG_HAVE_LMB=y 909CONFIG_HAVE_LMB=y
866CONFIG_NLATTR=y 910CONFIG_NLATTR=y
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index ce2da535246a..dd3a494257f4 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -1,7 +1,7 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.33-rc6 3# Linux kernel version: 2.6.34-rc6
4# Wed Feb 3 10:03:21 2010 4# Thu May 6 11:25:12 2010
5# 5#
6CONFIG_MICROBLAZE=y 6CONFIG_MICROBLAZE=y
7# CONFIG_SWAP is not set 7# CONFIG_SWAP is not set
@@ -22,8 +22,6 @@ CONFIG_GENERIC_CSUM=y
22CONFIG_STACKTRACE_SUPPORT=y 22CONFIG_STACKTRACE_SUPPORT=y
23CONFIG_LOCKDEP_SUPPORT=y 23CONFIG_LOCKDEP_SUPPORT=y
24CONFIG_HAVE_LATENCYTOP_SUPPORT=y 24CONFIG_HAVE_LATENCYTOP_SUPPORT=y
25# CONFIG_PCI is not set
26CONFIG_NO_DMA=y
27CONFIG_DTC=y 25CONFIG_DTC=y
28CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" 26CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
29CONFIG_CONSTRUCTORS=y 27CONFIG_CONSTRUCTORS=y
@@ -58,7 +56,6 @@ CONFIG_RCU_FANOUT=32
58CONFIG_IKCONFIG=y 56CONFIG_IKCONFIG=y
59CONFIG_IKCONFIG_PROC=y 57CONFIG_IKCONFIG_PROC=y
60CONFIG_LOG_BUF_SHIFT=17 58CONFIG_LOG_BUF_SHIFT=17
61# CONFIG_GROUP_SCHED is not set
62# CONFIG_CGROUPS is not set 59# CONFIG_CGROUPS is not set
63CONFIG_SYSFS_DEPRECATED=y 60CONFIG_SYSFS_DEPRECATED=y
64CONFIG_SYSFS_DEPRECATED_V2=y 61CONFIG_SYSFS_DEPRECATED_V2=y
@@ -96,6 +93,8 @@ CONFIG_SLAB=y
96# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set 93# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set
97# CONFIG_PROFILING is not set 94# CONFIG_PROFILING is not set
98CONFIG_HAVE_OPROFILE=y 95CONFIG_HAVE_OPROFILE=y
96CONFIG_HAVE_DMA_ATTRS=y
97CONFIG_HAVE_DMA_API_DEBUG=y
99 98
100# 99#
101# GCOV-based kernel profiling 100# GCOV-based kernel profiling
@@ -209,11 +208,14 @@ CONFIG_PROC_DEVICETREE=y
209# 208#
210# Advanced setup 209# Advanced setup
211# 210#
211# CONFIG_ADVANCED_OPTIONS is not set
212 212
213# 213#
214# Default settings for advanced configuration options are used 214# Default settings for advanced configuration options are used
215# 215#
216CONFIG_LOWMEM_SIZE=0x30000000
216CONFIG_KERNEL_START=0x90000000 217CONFIG_KERNEL_START=0x90000000
218CONFIG_TASK_SIZE=0x80000000
217CONFIG_SELECT_MEMORY_MODEL=y 219CONFIG_SELECT_MEMORY_MODEL=y
218CONFIG_FLATMEM_MANUAL=y 220CONFIG_FLATMEM_MANUAL=y
219# CONFIG_DISCONTIGMEM_MANUAL is not set 221# CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -235,13 +237,20 @@ CONFIG_BINFMT_FLAT=y
235# CONFIG_BINFMT_SHARED_FLAT is not set 237# CONFIG_BINFMT_SHARED_FLAT is not set
236# CONFIG_HAVE_AOUT is not set 238# CONFIG_HAVE_AOUT is not set
237# CONFIG_BINFMT_MISC is not set 239# CONFIG_BINFMT_MISC is not set
240
241#
242# Bus Options
243#
244# CONFIG_PCI is not set
245# CONFIG_PCI_DOMAINS is not set
246# CONFIG_PCI_SYSCALL is not set
247# CONFIG_ARCH_SUPPORTS_MSI is not set
238CONFIG_NET=y 248CONFIG_NET=y
239 249
240# 250#
241# Networking options 251# Networking options
242# 252#
243CONFIG_PACKET=y 253CONFIG_PACKET=y
244# CONFIG_PACKET_MMAP is not set
245CONFIG_UNIX=y 254CONFIG_UNIX=y
246CONFIG_XFRM=y 255CONFIG_XFRM=y
247# CONFIG_XFRM_USER is not set 256# CONFIG_XFRM_USER is not set
@@ -413,6 +422,7 @@ CONFIG_MTD_UCLINUX=y
413# UBI - Unsorted block images 422# UBI - Unsorted block images
414# 423#
415# CONFIG_MTD_UBI is not set 424# CONFIG_MTD_UBI is not set
425CONFIG_OF_FLATTREE=y
416CONFIG_OF_DEVICE=y 426CONFIG_OF_DEVICE=y
417# CONFIG_PARPORT is not set 427# CONFIG_PARPORT is not set
418CONFIG_BLK_DEV=y 428CONFIG_BLK_DEV=y
@@ -442,6 +452,7 @@ CONFIG_MISC_DEVICES=y
442# 452#
443# SCSI device support 453# SCSI device support
444# 454#
455CONFIG_SCSI_MOD=y
445# CONFIG_RAID_ATTRS is not set 456# CONFIG_RAID_ATTRS is not set
446# CONFIG_SCSI is not set 457# CONFIG_SCSI is not set
447# CONFIG_SCSI_DMA is not set 458# CONFIG_SCSI_DMA is not set
@@ -458,6 +469,7 @@ CONFIG_NETDEVICES=y
458# CONFIG_PHYLIB is not set 469# CONFIG_PHYLIB is not set
459CONFIG_NET_ETHERNET=y 470CONFIG_NET_ETHERNET=y
460# CONFIG_MII is not set 471# CONFIG_MII is not set
472# CONFIG_ETHOC is not set
461# CONFIG_DNET is not set 473# CONFIG_DNET is not set
462# CONFIG_IBM_NEW_EMAC_ZMII is not set 474# CONFIG_IBM_NEW_EMAC_ZMII is not set
463# CONFIG_IBM_NEW_EMAC_RGMII is not set 475# CONFIG_IBM_NEW_EMAC_RGMII is not set
@@ -466,6 +478,7 @@ CONFIG_NET_ETHERNET=y
466# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set 478# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
467# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set 479# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
468# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set 480# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
481# CONFIG_B44 is not set
469# CONFIG_KS8842 is not set 482# CONFIG_KS8842 is not set
470# CONFIG_KS8851_MLL is not set 483# CONFIG_KS8851_MLL is not set
471# CONFIG_XILINX_EMACLITE is not set 484# CONFIG_XILINX_EMACLITE is not set
@@ -516,6 +529,7 @@ CONFIG_SERIAL_UARTLITE=y
516CONFIG_SERIAL_UARTLITE_CONSOLE=y 529CONFIG_SERIAL_UARTLITE_CONSOLE=y
517CONFIG_SERIAL_CORE=y 530CONFIG_SERIAL_CORE=y
518CONFIG_SERIAL_CORE_CONSOLE=y 531CONFIG_SERIAL_CORE_CONSOLE=y
532# CONFIG_SERIAL_TIMBERDALE is not set
519# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set 533# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
520CONFIG_UNIX98_PTYS=y 534CONFIG_UNIX98_PTYS=y
521# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set 535# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -544,6 +558,12 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
544# CONFIG_HWMON is not set 558# CONFIG_HWMON is not set
545# CONFIG_THERMAL is not set 559# CONFIG_THERMAL is not set
546# CONFIG_WATCHDOG is not set 560# CONFIG_WATCHDOG is not set
561CONFIG_SSB_POSSIBLE=y
562
563#
564# Sonics Silicon Backplane
565#
566# CONFIG_SSB is not set
547 567
548# 568#
549# Multifunction device drivers 569# Multifunction device drivers
@@ -593,6 +613,7 @@ CONFIG_USB_ARCH_HAS_EHCI=y
593# CONFIG_NEW_LEDS is not set 613# CONFIG_NEW_LEDS is not set
594# CONFIG_ACCESSIBILITY is not set 614# CONFIG_ACCESSIBILITY is not set
595# CONFIG_RTC_CLASS is not set 615# CONFIG_RTC_CLASS is not set
616# CONFIG_DMADEVICES is not set
596# CONFIG_AUXDISPLAY is not set 617# CONFIG_AUXDISPLAY is not set
597# CONFIG_UIO is not set 618# CONFIG_UIO is not set
598 619
@@ -661,6 +682,7 @@ CONFIG_MISC_FILESYSTEMS=y
661# CONFIG_BFS_FS is not set 682# CONFIG_BFS_FS is not set
662# CONFIG_EFS_FS is not set 683# CONFIG_EFS_FS is not set
663# CONFIG_JFFS2_FS is not set 684# CONFIG_JFFS2_FS is not set
685# CONFIG_LOGFS is not set
664CONFIG_CRAMFS=y 686CONFIG_CRAMFS=y
665# CONFIG_SQUASHFS is not set 687# CONFIG_SQUASHFS is not set
666# CONFIG_VXFS_FS is not set 688# CONFIG_VXFS_FS is not set
@@ -689,6 +711,7 @@ CONFIG_SUNRPC=y
689# CONFIG_RPCSEC_GSS_KRB5 is not set 711# CONFIG_RPCSEC_GSS_KRB5 is not set
690# CONFIG_RPCSEC_GSS_SPKM3 is not set 712# CONFIG_RPCSEC_GSS_SPKM3 is not set
691# CONFIG_SMB_FS is not set 713# CONFIG_SMB_FS is not set
714# CONFIG_CEPH_FS is not set
692# CONFIG_CIFS is not set 715# CONFIG_CIFS is not set
693# CONFIG_NCP_FS is not set 716# CONFIG_NCP_FS is not set
694# CONFIG_CODA_FS is not set 717# CONFIG_CODA_FS is not set
@@ -733,6 +756,7 @@ CONFIG_DEBUG_OBJECTS_TIMERS=y
733# CONFIG_DEBUG_OBJECTS_WORK is not set 756# CONFIG_DEBUG_OBJECTS_WORK is not set
734CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1 757CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
735# CONFIG_DEBUG_SLAB is not set 758# CONFIG_DEBUG_SLAB is not set
759# CONFIG_DEBUG_KMEMLEAK is not set
736# CONFIG_DEBUG_RT_MUTEXES is not set 760# CONFIG_DEBUG_RT_MUTEXES is not set
737# CONFIG_RT_MUTEX_TESTER is not set 761# CONFIG_RT_MUTEX_TESTER is not set
738# CONFIG_DEBUG_SPINLOCK is not set 762# CONFIG_DEBUG_SPINLOCK is not set
@@ -758,6 +782,7 @@ CONFIG_DEBUG_SG=y
758# CONFIG_BACKTRACE_SELF_TEST is not set 782# CONFIG_BACKTRACE_SELF_TEST is not set
759# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set 783# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
760# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set 784# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
785# CONFIG_LKDTM is not set
761# CONFIG_FAULT_INJECTION is not set 786# CONFIG_FAULT_INJECTION is not set
762# CONFIG_LATENCYTOP is not set 787# CONFIG_LATENCYTOP is not set
763CONFIG_SYSCTL_SYSCALL_CHECK=y 788CONFIG_SYSCTL_SYSCALL_CHECK=y
@@ -782,6 +807,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
782# CONFIG_WORKQUEUE_TRACER is not set 807# CONFIG_WORKQUEUE_TRACER is not set
783# CONFIG_BLK_DEV_IO_TRACE is not set 808# CONFIG_BLK_DEV_IO_TRACE is not set
784# CONFIG_DYNAMIC_DEBUG is not set 809# CONFIG_DYNAMIC_DEBUG is not set
810# CONFIG_DMA_API_DEBUG is not set
785# CONFIG_SAMPLES is not set 811# CONFIG_SAMPLES is not set
786CONFIG_EARLY_PRINTK=y 812CONFIG_EARLY_PRINTK=y
787# CONFIG_HEART_BEAT is not set 813# CONFIG_HEART_BEAT is not set
@@ -901,5 +927,6 @@ CONFIG_GENERIC_FIND_LAST_BIT=y
901CONFIG_ZLIB_INFLATE=y 927CONFIG_ZLIB_INFLATE=y
902CONFIG_HAS_IOMEM=y 928CONFIG_HAS_IOMEM=y
903CONFIG_HAS_IOPORT=y 929CONFIG_HAS_IOPORT=y
930CONFIG_HAS_DMA=y
904CONFIG_HAVE_LMB=y 931CONFIG_HAVE_LMB=y
905CONFIG_NLATTR=y 932CONFIG_NLATTR=y
diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
index e52210891d78..4efe96a036f7 100644
--- a/arch/microblaze/include/asm/cache.h
+++ b/arch/microblaze/include/asm/cache.h
@@ -15,7 +15,7 @@
15 15
16#include <asm/registers.h> 16#include <asm/registers.h>
17 17
18#define L1_CACHE_SHIFT 2 18#define L1_CACHE_SHIFT 5
19/* word-granular cache in microblaze */ 19/* word-granular cache in microblaze */
20#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) 20#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
21 21
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h
index 08c073badf19..0d73d0c6de37 100644
--- a/arch/microblaze/include/asm/dma.h
+++ b/arch/microblaze/include/asm/dma.h
@@ -18,4 +18,10 @@
18#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1) 18#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
19#endif 19#endif
20 20
21#ifdef CONFIG_PCI
22extern int isa_dma_bridge_buggy;
23#else
24#define isa_dma_bridge_buggy (0)
25#endif
26
21#endif /* _ASM_MICROBLAZE_DMA_H */ 27#endif /* _ASM_MICROBLAZE_DMA_H */
diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h
index 90731df9e574..4c7b5d037c88 100644
--- a/arch/microblaze/include/asm/exceptions.h
+++ b/arch/microblaze/include/asm/exceptions.h
@@ -64,12 +64,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
64void die(const char *str, struct pt_regs *fp, long err); 64void die(const char *str, struct pt_regs *fp, long err);
65void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr); 65void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr);
66 66
67#ifdef CONFIG_MMU
68void __bug(const char *file, int line, void *data);
69int bad_trap(int trap_num, struct pt_regs *regs);
70int debug_trap(struct pt_regs *regs);
71#endif /* CONFIG_MMU */
72
73#if defined(CONFIG_KGDB) 67#if defined(CONFIG_KGDB)
74void (*debugger)(struct pt_regs *regs); 68void (*debugger)(struct pt_regs *regs);
75int (*debugger_bpt)(struct pt_regs *regs); 69int (*debugger_bpt)(struct pt_regs *regs);
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index e45a6eea92e0..00b5398d08c7 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -139,8 +139,6 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)
139 139
140#ifdef CONFIG_MMU 140#ifdef CONFIG_MMU
141 141
142#define mm_ptov(addr) ((void *)__phys_to_virt(addr))
143#define mm_vtop(addr) ((unsigned long)__virt_to_phys(addr))
144#define phys_to_virt(addr) ((void *)__phys_to_virt(addr)) 142#define phys_to_virt(addr) ((void *)__phys_to_virt(addr))
145#define virt_to_phys(addr) ((unsigned long)__virt_to_phys(addr)) 143#define virt_to_phys(addr) ((unsigned long)__virt_to_phys(addr))
146#define virt_to_bus(addr) ((unsigned long)__virt_to_phys(addr)) 144#define virt_to_bus(addr) ((unsigned long)__virt_to_phys(addr))
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 2dd1d04129e0..de493f86d28f 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -31,6 +31,9 @@
31 31
32#ifndef __ASSEMBLY__ 32#ifndef __ASSEMBLY__
33 33
34/* MS be sure that SLAB allocates aligned objects */
35#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
36
34#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) 37#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
35#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1))) 38#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1)))
36 39
@@ -70,14 +73,7 @@ typedef unsigned long pte_basic_t;
70 73
71#endif /* CONFIG_MMU */ 74#endif /* CONFIG_MMU */
72 75
73# ifndef CONFIG_MMU 76# define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
74# define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
75# define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
76# define free_user_page(page, addr) free_page(addr)
77# else /* CONFIG_MMU */
78extern void copy_page(void *to, void *from);
79# endif /* CONFIG_MMU */
80
81# define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE) 77# define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE)
82 78
83# define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE) 79# define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE)
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index bdd65aaee30d..5a388eeeb28f 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -94,14 +94,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
94 94
95#define HAVE_PCI_LEGACY 1 95#define HAVE_PCI_LEGACY 1
96 96
97/* pci_unmap_{page,single} is a nop so... */
98#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
99#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
100#define pci_unmap_addr(PTR, ADDR_NAME) (0)
101#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
102#define pci_unmap_len(PTR, LEN_NAME) (0)
103#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
104
105/* The PCI address space does equal the physical memory 97/* The PCI address space does equal the physical memory
106 * address space (no IOMMU). The IDE and SCSI device layers use 98 * address space (no IOMMU). The IDE and SCSI device layers use
107 * this boolean for bounce buffer decisions. 99 * this boolean for bounce buffer decisions.
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index f44b0d696fe2..c614a893f8a3 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -108,21 +108,7 @@ extern inline void free_pgd_slow(pgd_t *pgd)
108#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); }) 108#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
109#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) 109#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
110 110
111static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 111extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
112 unsigned long address)
113{
114 pte_t *pte;
115 extern void *early_get_page(void);
116 if (mem_init_done) {
117 pte = (pte_t *)__get_free_page(GFP_KERNEL |
118 __GFP_REPEAT | __GFP_ZERO);
119 } else {
120 pte = (pte_t *)early_get_page();
121 if (pte)
122 clear_page(pte);
123 }
124 return pte;
125}
126 112
127static inline struct page *pte_alloc_one(struct mm_struct *mm, 113static inline struct page *pte_alloc_one(struct mm_struct *mm,
128 unsigned long address) 114 unsigned long address)
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index dd2bb60651c7..ca2d92871545 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -512,15 +512,6 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address)
512extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; 512extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
513 513
514/* 514/*
515 * When flushing the tlb entry for a page, we also need to flush the hash
516 * table entry. flush_hash_page is assembler (for speed) in hashtable.S.
517 */
518extern int flush_hash_page(unsigned context, unsigned long va, pte_t *ptep);
519
520/* Add an HPTE to the hash table */
521extern void add_hash_page(unsigned context, unsigned long va, pte_t *ptep);
522
523/*
524 * Encode and decode a swap entry. 515 * Encode and decode a swap entry.
525 * Note that the bits we use in a PTE for representing a swap entry 516 * Note that the bits we use in a PTE for representing a swap entry
526 * must not include the _PAGE_PRESENT bit, or the _PAGE_HASHPTE bit 517 * must not include the _PAGE_PRESENT bit, or the _PAGE_HASHPTE bit
@@ -533,15 +524,7 @@ extern void add_hash_page(unsigned context, unsigned long va, pte_t *ptep);
533#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 2 }) 524#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 2 })
534#define __swp_entry_to_pte(x) ((pte_t) { (x).val << 2 }) 525#define __swp_entry_to_pte(x) ((pte_t) { (x).val << 2 })
535 526
536
537/* CONFIG_APUS */
538/* For virtual address to physical address conversion */
539extern void cache_clear(__u32 addr, int length);
540extern void cache_push(__u32 addr, int length);
541extern int mm_end_of_chunk(unsigned long addr, int len);
542extern unsigned long iopa(unsigned long addr); 527extern unsigned long iopa(unsigned long addr);
543/* extern unsigned long mm_ptov(unsigned long addr) \
544 __attribute__ ((const)); TBD */
545 528
546/* Values for nocacheflag and cmode */ 529/* Values for nocacheflag and cmode */
547/* These are not used by the APUS kernel_map, but prevents 530/* These are not used by the APUS kernel_map, but prevents
@@ -552,18 +535,6 @@ extern unsigned long iopa(unsigned long addr);
552#define IOMAP_NOCACHE_NONSER 2 535#define IOMAP_NOCACHE_NONSER 2
553#define IOMAP_NO_COPYBACK 3 536#define IOMAP_NO_COPYBACK 3
554 537
555/*
556 * Map some physical address range into the kernel address space.
557 */
558extern unsigned long kernel_map(unsigned long paddr, unsigned long size,
559 int nocacheflag, unsigned long *memavailp);
560
561/*
562 * Set cache mode of (kernel space) address range.
563 */
564extern void kernel_set_cachemode(unsigned long address, unsigned long size,
565 unsigned int cmode);
566
567/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ 538/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
568#define kern_addr_valid(addr) (1) 539#define kern_addr_valid(addr) (1)
569 540
@@ -577,10 +548,6 @@ extern void kernel_set_cachemode(unsigned long address, unsigned long size,
577void do_page_fault(struct pt_regs *regs, unsigned long address, 548void do_page_fault(struct pt_regs *regs, unsigned long address,
578 unsigned long error_code); 549 unsigned long error_code);
579 550
580void __init io_block_mapping(unsigned long virt, phys_addr_t phys,
581 unsigned int size, int flags);
582
583void __init adjust_total_lowmem(void);
584void mapin_ram(void); 551void mapin_ram(void);
585int map_page(unsigned long va, phys_addr_t pa, int flags); 552int map_page(unsigned long va, phys_addr_t pa, int flags);
586 553
@@ -601,7 +568,7 @@ void __init *early_get_page(void);
601extern unsigned long ioremap_bot, ioremap_base; 568extern unsigned long ioremap_bot, ioremap_base;
602 569
603void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle); 570void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
604void consistent_free(void *vaddr); 571void consistent_free(size_t size, void *vaddr);
605void consistent_sync(void *vaddr, size_t size, int direction); 572void consistent_sync(void *vaddr, size_t size, int direction);
606void consistent_sync_page(struct page *page, unsigned long offset, 573void consistent_sync_page(struct page *page, unsigned long offset,
607 size_t size, int direction); 574 size_t size, int direction);
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 446bec29b142..26460d15b338 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -182,6 +182,39 @@ extern long __user_bad(void);
182 * Returns zero on success, or -EFAULT on error. 182 * Returns zero on success, or -EFAULT on error.
183 * On error, the variable @x is set to zero. 183 * On error, the variable @x is set to zero.
184 */ 184 */
185#define get_user(x, ptr) \
186 __get_user_check((x), (ptr), sizeof(*(ptr)))
187
188#define __get_user_check(x, ptr, size) \
189({ \
190 unsigned long __gu_val = 0; \
191 const typeof(*(ptr)) __user *__gu_addr = (ptr); \
192 int __gu_err = 0; \
193 \
194 if (access_ok(VERIFY_READ, __gu_addr, size)) { \
195 switch (size) { \
196 case 1: \
197 __get_user_asm("lbu", __gu_addr, __gu_val, \
198 __gu_err); \
199 break; \
200 case 2: \
201 __get_user_asm("lhu", __gu_addr, __gu_val, \
202 __gu_err); \
203 break; \
204 case 4: \
205 __get_user_asm("lw", __gu_addr, __gu_val, \
206 __gu_err); \
207 break; \
208 default: \
209 __gu_err = __user_bad(); \
210 break; \
211 } \
212 } else { \
213 __gu_err = -EFAULT; \
214 } \
215 x = (typeof(*(ptr)))__gu_val; \
216 __gu_err; \
217})
185 218
186#define __get_user(x, ptr) \ 219#define __get_user(x, ptr) \
187({ \ 220({ \
@@ -206,12 +239,6 @@ extern long __user_bad(void);
206}) 239})
207 240
208 241
209#define get_user(x, ptr) \
210({ \
211 access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) \
212 ? __get_user((x), (ptr)) : -EFAULT; \
213})
214
215#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ 242#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \
216({ \ 243({ \
217 __asm__ __volatile__ ( \ 244 __asm__ __volatile__ ( \
@@ -266,6 +293,42 @@ extern long __user_bad(void);
266 * 293 *
267 * Returns zero on success, or -EFAULT on error. 294 * Returns zero on success, or -EFAULT on error.
268 */ 295 */
296#define put_user(x, ptr) \
297 __put_user_check((x), (ptr), sizeof(*(ptr)))
298
299#define __put_user_check(x, ptr, size) \
300({ \
301 typeof(*(ptr)) __pu_val; \
302 typeof(*(ptr)) __user *__pu_addr = (ptr); \
303 int __pu_err = 0; \
304 \
305 __pu_val = (x); \
306 if (access_ok(VERIFY_WRITE, __pu_addr, size)) { \
307 switch (size) { \
308 case 1: \
309 __put_user_asm("sb", __pu_addr, __pu_val, \
310 __pu_err); \
311 break; \
312 case 2: \
313 __put_user_asm("sh", __pu_addr, __pu_val, \
314 __pu_err); \
315 break; \
316 case 4: \
317 __put_user_asm("sw", __pu_addr, __pu_val, \
318 __pu_err); \
319 break; \
320 case 8: \
321 __put_user_asm_8(__pu_addr, __pu_val, __pu_err);\
322 break; \
323 default: \
324 __pu_err = __user_bad(); \
325 break; \
326 } \
327 } else { \
328 __pu_err = -EFAULT; \
329 } \
330 __pu_err; \
331})
269 332
270#define __put_user(x, ptr) \ 333#define __put_user(x, ptr) \
271({ \ 334({ \
@@ -290,18 +353,6 @@ extern long __user_bad(void);
290 __gu_err; \ 353 __gu_err; \
291}) 354})
292 355
293#ifndef CONFIG_MMU
294
295#define put_user(x, ptr) __put_user((x), (ptr))
296
297#else /* CONFIG_MMU */
298
299#define put_user(x, ptr) \
300({ \
301 access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) \
302 ? __put_user((x), (ptr)) : -EFAULT; \
303})
304#endif /* CONFIG_MMU */
305 356
306/* copy_to_from_user */ 357/* copy_to_from_user */
307#define __copy_from_user(to, from, n) \ 358#define __copy_from_user(to, from, n) \
diff --git a/arch/microblaze/kernel/asm-offsets.c b/arch/microblaze/kernel/asm-offsets.c
index 0071260a672c..c1b459c97571 100644
--- a/arch/microblaze/kernel/asm-offsets.c
+++ b/arch/microblaze/kernel/asm-offsets.c
@@ -16,6 +16,7 @@
16#include <linux/hardirq.h> 16#include <linux/hardirq.h>
17#include <linux/thread_info.h> 17#include <linux/thread_info.h>
18#include <linux/kbuild.h> 18#include <linux/kbuild.h>
19#include <asm/cpuinfo.h>
19 20
20int main(int argc, char *argv[]) 21int main(int argc, char *argv[])
21{ 22{
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index f04d8a86dead..109876e8d643 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -96,13 +96,16 @@ static inline void __disable_dcache_nomsr(void)
96} 96}
97 97
98 98
99/* Helper macro for computing the limits of cache range loops */ 99/* Helper macro for computing the limits of cache range loops
100 *
101 * End address can be unaligned which is OK for C implementation.
102 * ASM implementation align it in ASM macros
103 */
100#define CACHE_LOOP_LIMITS(start, end, cache_line_length, cache_size) \ 104#define CACHE_LOOP_LIMITS(start, end, cache_line_length, cache_size) \
101do { \ 105do { \
102 int align = ~(cache_line_length - 1); \ 106 int align = ~(cache_line_length - 1); \
103 end = min(start + cache_size, end); \ 107 end = min(start + cache_size, end); \
104 start &= align; \ 108 start &= align; \
105 end = ((end & align) + cache_line_length); \
106} while (0); 109} while (0);
107 110
108/* 111/*
@@ -111,9 +114,9 @@ do { \
111 */ 114 */
112#define CACHE_ALL_LOOP(cache_size, line_length, op) \ 115#define CACHE_ALL_LOOP(cache_size, line_length, op) \
113do { \ 116do { \
114 unsigned int len = cache_size; \ 117 unsigned int len = cache_size - line_length; \
115 int step = -line_length; \ 118 int step = -line_length; \
116 BUG_ON(step >= 0); \ 119 WARN_ON(step >= 0); \
117 \ 120 \
118 __asm__ __volatile__ (" 1: " #op " %0, r0; \ 121 __asm__ __volatile__ (" 1: " #op " %0, r0; \
119 bgtid %0, 1b; \ 122 bgtid %0, 1b; \
@@ -122,26 +125,22 @@ do { \
122 : "memory"); \ 125 : "memory"); \
123} while (0); 126} while (0);
124 127
125 128/* Used for wdc.flush/clear which can use rB for offset which is not possible
126#define CACHE_ALL_LOOP2(cache_size, line_length, op) \ 129 * to use for simple wdc or wic.
127do { \ 130 *
128 unsigned int len = cache_size; \ 131 * start address is cache aligned
129 int step = -line_length; \ 132 * end address is not aligned, if end is aligned then I have to substract
130 BUG_ON(step >= 0); \ 133 * cacheline length because I can't flush/invalidate the next cacheline.
131 \ 134 * If is not, I align it because I will flush/invalidate whole line.
132 __asm__ __volatile__ (" 1: " #op " r0, %0; \ 135 */
133 bgtid %0, 1b; \
134 addk %0, %0, %1; \
135 " : : "r" (len), "r" (step) \
136 : "memory"); \
137} while (0);
138
139/* for wdc.flush/clear */
140#define CACHE_RANGE_LOOP_2(start, end, line_length, op) \ 136#define CACHE_RANGE_LOOP_2(start, end, line_length, op) \
141do { \ 137do { \
142 int step = -line_length; \ 138 int step = -line_length; \
143 int count = end - start; \ 139 int align = ~(line_length - 1); \
144 BUG_ON(count <= 0); \ 140 int count; \
141 end = ((end & align) == end) ? end - line_length : end & align; \
142 count = end - start; \
143 WARN_ON(count < 0); \
145 \ 144 \
146 __asm__ __volatile__ (" 1: " #op " %0, %1; \ 145 __asm__ __volatile__ (" 1: " #op " %0, %1; \
147 bgtid %1, 1b; \ 146 bgtid %1, 1b; \
@@ -154,7 +153,9 @@ do { \
154#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \ 153#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \
155do { \ 154do { \
156 int volatile temp; \ 155 int volatile temp; \
157 BUG_ON(end - start <= 0); \ 156 int align = ~(line_length - 1); \
157 end = ((end & align) == end) ? end - line_length : end & align; \
158 WARN_ON(end - start < 0); \
158 \ 159 \
159 __asm__ __volatile__ (" 1: " #op " %1, r0; \ 160 __asm__ __volatile__ (" 1: " #op " %1, r0; \
160 cmpu %0, %1, %2; \ 161 cmpu %0, %1, %2; \
@@ -360,8 +361,12 @@ static void __invalidate_dcache_all_noirq_wt(void)
360#endif 361#endif
361} 362}
362 363
363/* FIXME this is weird - should be only wdc but not work 364/* FIXME It is blindly invalidation as is expected
364 * MS: I am getting bus errors and other weird things */ 365 * but can't be called on noMMU in microblaze_cache_init below
366 *
367 * MS: noMMU kernel won't boot if simple wdc is used
368 * The reason should be that there are discared data which kernel needs
369 */
365static void __invalidate_dcache_all_wb(void) 370static void __invalidate_dcache_all_wb(void)
366{ 371{
367#ifndef ASM_LOOP 372#ifndef ASM_LOOP
@@ -369,12 +374,12 @@ static void __invalidate_dcache_all_wb(void)
369#endif 374#endif
370 pr_debug("%s\n", __func__); 375 pr_debug("%s\n", __func__);
371#ifdef ASM_LOOP 376#ifdef ASM_LOOP
372 CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length, 377 CACHE_ALL_LOOP(cpuinfo.dcache_size, cpuinfo.dcache_line_length,
373 wdc.clear) 378 wdc)
374#else 379#else
375 for (i = 0; i < cpuinfo.dcache_size; 380 for (i = 0; i < cpuinfo.dcache_size;
376 i += cpuinfo.dcache_line_length) 381 i += cpuinfo.dcache_line_length)
377 __asm__ __volatile__ ("wdc.clear %0, r0;" \ 382 __asm__ __volatile__ ("wdc %0, r0;" \
378 : : "r" (i)); 383 : : "r" (i));
379#endif 384#endif
380} 385}
@@ -393,7 +398,7 @@ static void __invalidate_dcache_range_wb(unsigned long start,
393#ifdef ASM_LOOP 398#ifdef ASM_LOOP
394 CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.clear); 399 CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.clear);
395#else 400#else
396 for (i = start; i < end; i += cpuinfo.icache_line_length) 401 for (i = start; i < end; i += cpuinfo.dcache_line_length)
397 __asm__ __volatile__ ("wdc.clear %0, r0;" \ 402 __asm__ __volatile__ ("wdc.clear %0, r0;" \
398 : : "r" (i)); 403 : : "r" (i));
399#endif 404#endif
@@ -413,7 +418,7 @@ static void __invalidate_dcache_range_nomsr_wt(unsigned long start,
413#ifdef ASM_LOOP 418#ifdef ASM_LOOP
414 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc); 419 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
415#else 420#else
416 for (i = start; i < end; i += cpuinfo.icache_line_length) 421 for (i = start; i < end; i += cpuinfo.dcache_line_length)
417 __asm__ __volatile__ ("wdc %0, r0;" \ 422 __asm__ __volatile__ ("wdc %0, r0;" \
418 : : "r" (i)); 423 : : "r" (i));
419#endif 424#endif
@@ -437,7 +442,7 @@ static void __invalidate_dcache_range_msr_irq_wt(unsigned long start,
437#ifdef ASM_LOOP 442#ifdef ASM_LOOP
438 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc); 443 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
439#else 444#else
440 for (i = start; i < end; i += cpuinfo.icache_line_length) 445 for (i = start; i < end; i += cpuinfo.dcache_line_length)
441 __asm__ __volatile__ ("wdc %0, r0;" \ 446 __asm__ __volatile__ ("wdc %0, r0;" \
442 : : "r" (i)); 447 : : "r" (i));
443#endif 448#endif
@@ -465,7 +470,7 @@ static void __invalidate_dcache_range_nomsr_irq(unsigned long start,
465#ifdef ASM_LOOP 470#ifdef ASM_LOOP
466 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc); 471 CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
467#else 472#else
468 for (i = start; i < end; i += cpuinfo.icache_line_length) 473 for (i = start; i < end; i += cpuinfo.dcache_line_length)
469 __asm__ __volatile__ ("wdc %0, r0;" \ 474 __asm__ __volatile__ ("wdc %0, r0;" \
470 : : "r" (i)); 475 : : "r" (i));
471#endif 476#endif
@@ -504,7 +509,7 @@ static void __flush_dcache_range_wb(unsigned long start, unsigned long end)
504#ifdef ASM_LOOP 509#ifdef ASM_LOOP
505 CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.flush); 510 CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.flush);
506#else 511#else
507 for (i = start; i < end; i += cpuinfo.icache_line_length) 512 for (i = start; i < end; i += cpuinfo.dcache_line_length)
508 __asm__ __volatile__ ("wdc.flush %0, r0;" \ 513 __asm__ __volatile__ ("wdc.flush %0, r0;" \
509 : : "r" (i)); 514 : : "r" (i));
510#endif 515#endif
@@ -650,7 +655,11 @@ void microblaze_cache_init(void)
650 } 655 }
651 } 656 }
652 } 657 }
653 invalidate_dcache(); 658/* FIXME Invalidation is done in U-BOOT
659 * WT cache: Data is already written to main memory
660 * WB cache: Discard data on noMMU which caused that kernel doesn't boot
661 */
662 /* invalidate_dcache(); */
654 enable_dcache(); 663 enable_dcache();
655 664
656 invalidate_icache(); 665 invalidate_icache();
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 0c912b2a8e03..4216eb1eaa32 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -98,15 +98,17 @@ static int show_cpuinfo(struct seq_file *m, void *v)
98 98
99 if (cpuinfo.use_icache) 99 if (cpuinfo.use_icache)
100 count += seq_printf(m, 100 count += seq_printf(m,
101 "Icache:\t\t%ukB\n", 101 "Icache:\t\t%ukB\tline length:\t%dB\n",
102 cpuinfo.icache_size >> 10); 102 cpuinfo.icache_size >> 10,
103 cpuinfo.icache_line_length);
103 else 104 else
104 count += seq_printf(m, "Icache:\t\tno\n"); 105 count += seq_printf(m, "Icache:\t\tno\n");
105 106
106 if (cpuinfo.use_dcache) { 107 if (cpuinfo.use_dcache) {
107 count += seq_printf(m, 108 count += seq_printf(m,
108 "Dcache:\t\t%ukB\n", 109 "Dcache:\t\t%ukB\tline length:\t%dB\n",
109 cpuinfo.dcache_size >> 10); 110 cpuinfo.dcache_size >> 10,
111 cpuinfo.dcache_line_length);
110 if (cpuinfo.dcache_wb) 112 if (cpuinfo.dcache_wb)
111 count += seq_printf(m, "\t\twrite-back\n"); 113 count += seq_printf(m, "\t\twrite-back\n");
112 else 114 else
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index ce72dd4967cf..9dcd90b5df55 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -74,7 +74,7 @@ static void dma_direct_free_coherent(struct device *dev, size_t size,
74 void *vaddr, dma_addr_t dma_handle) 74 void *vaddr, dma_addr_t dma_handle)
75{ 75{
76#ifdef NOT_COHERENT_CACHE 76#ifdef NOT_COHERENT_CACHE
77 consistent_free(vaddr); 77 consistent_free(size, vaddr);
78#else 78#else
79 free_pages((unsigned long)vaddr, get_order(size)); 79 free_pages((unsigned long)vaddr, get_order(size));
80#endif 80#endif
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
index 391d6197fc3b..8cc18cd2cce6 100644
--- a/arch/microblaze/kernel/entry-nommu.S
+++ b/arch/microblaze/kernel/entry-nommu.S
@@ -476,6 +476,8 @@ ENTRY(ret_from_fork)
476 nop 476 nop
477 477
478work_pending: 478work_pending:
479 enable_irq
480
479 andi r11, r19, _TIF_NEED_RESCHED 481 andi r11, r19, _TIF_NEED_RESCHED
480 beqi r11, 1f 482 beqi r11, 1f
481 bralid r15, schedule 483 bralid r15, schedule
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index d9f70f83097f..02cbdfe5aa8d 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -121,7 +121,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
121 } 121 }
122 printk(KERN_WARNING "Divide by zero exception " \ 122 printk(KERN_WARNING "Divide by zero exception " \
123 "in kernel mode.\n"); 123 "in kernel mode.\n");
124 die("Divide by exception", regs, SIGBUS); 124 die("Divide by zero exception", regs, SIGBUS);
125 break; 125 break;
126 case MICROBLAZE_FPU_EXCEPTION: 126 case MICROBLAZE_FPU_EXCEPTION:
127 pr_debug(KERN_WARNING "FPU exception\n"); 127 pr_debug(KERN_WARNING "FPU exception\n");
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index da6a5f5dc766..1bf739888260 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -28,6 +28,7 @@
28 * for more details. 28 * for more details.
29 */ 29 */
30 30
31#include <linux/init.h>
31#include <linux/linkage.h> 32#include <linux/linkage.h>
32#include <asm/thread_info.h> 33#include <asm/thread_info.h>
33#include <asm/page.h> 34#include <asm/page.h>
@@ -49,7 +50,7 @@ swapper_pg_dir:
49 50
50#endif /* CONFIG_MMU */ 51#endif /* CONFIG_MMU */
51 52
52 .text 53 __HEAD
53ENTRY(_start) 54ENTRY(_start)
54#if CONFIG_KERNEL_BASE_ADDR == 0 55#if CONFIG_KERNEL_BASE_ADDR == 0
55 brai TOPHYS(real_start) 56 brai TOPHYS(real_start)
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index 6f39e2c001f3..8f120aca123d 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -9,6 +9,7 @@
9 */ 9 */
10 10
11#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/ftrace.h>
12#include <linux/kernel.h> 13#include <linux/kernel.h>
13#include <linux/hardirq.h> 14#include <linux/hardirq.h>
14#include <linux/interrupt.h> 15#include <linux/interrupt.h>
@@ -32,7 +33,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
32 33
33static u32 concurrent_irq; 34static u32 concurrent_irq;
34 35
35void do_IRQ(struct pt_regs *regs) 36void __irq_entry do_IRQ(struct pt_regs *regs)
36{ 37{
37 unsigned int irq; 38 unsigned int irq;
38 struct pt_regs *old_regs = set_irq_regs(regs); 39 struct pt_regs *old_regs = set_irq_regs(regs);
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index bc4dcb7d3861..ff85f7718035 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -52,3 +52,14 @@ EXPORT_SYMBOL_GPL(_ebss);
52extern void _mcount(void); 52extern void _mcount(void);
53EXPORT_SYMBOL(_mcount); 53EXPORT_SYMBOL(_mcount);
54#endif 54#endif
55
56/*
57 * Assembly functions that may be used (directly or indirectly) by modules
58 */
59EXPORT_SYMBOL(__copy_tofrom_user);
60EXPORT_SYMBOL(__strncpy_user);
61
62#ifdef CONFIG_OPT_LIB_ASM
63EXPORT_SYMBOL(memcpy);
64EXPORT_SYMBOL(memmove);
65#endif
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S
index 7cf86498326c..0fb5fc6c1fc2 100644
--- a/arch/microblaze/kernel/misc.S
+++ b/arch/microblaze/kernel/misc.S
@@ -93,39 +93,3 @@ early_console_reg_tlb_alloc:
93 nop 93 nop
94 94
95 .size early_console_reg_tlb_alloc, . - early_console_reg_tlb_alloc 95 .size early_console_reg_tlb_alloc, . - early_console_reg_tlb_alloc
96
97/*
98 * Copy a whole page (4096 bytes).
99 */
100#define COPY_16_BYTES \
101 lwi r7, r6, 0; \
102 lwi r8, r6, 4; \
103 lwi r9, r6, 8; \
104 lwi r10, r6, 12; \
105 swi r7, r5, 0; \
106 swi r8, r5, 4; \
107 swi r9, r5, 8; \
108 swi r10, r5, 12
109
110
111/* FIXME DCACHE_LINE_BYTES (CONFIG_XILINX_MICROBLAZE0_DCACHE_LINE_LEN * 4)*/
112#define DCACHE_LINE_BYTES (4 * 4)
113
114.globl copy_page;
115.type copy_page, @function
116.align 4;
117copy_page:
118 ori r11, r0, (PAGE_SIZE/DCACHE_LINE_BYTES) - 1
119_copy_page_loop:
120 COPY_16_BYTES
121#if DCACHE_LINE_BYTES >= 32
122 COPY_16_BYTES
123#endif
124 addik r6, r6, DCACHE_LINE_BYTES
125 addik r5, r5, DCACHE_LINE_BYTES
126 bneid r11, _copy_page_loop
127 addik r11, r11, -1
128 rtsd r15, 8
129 nop
130
131 .size copy_page, . - copy_page
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index cbecf110dc30..0e73f6606547 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -16,6 +16,7 @@
16#include <linux/string.h> 16#include <linux/string.h>
17 17
18#include <asm/pgtable.h> 18#include <asm/pgtable.h>
19#include <asm/cacheflush.h>
19 20
20void *module_alloc(unsigned long size) 21void *module_alloc(unsigned long size)
21{ 22{
@@ -151,6 +152,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
151int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, 152int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
152 struct module *module) 153 struct module *module)
153{ 154{
155 flush_dcache();
154 return 0; 156 return 0;
155} 157}
156 158
diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c
index 5e4570ef515c..75e49202a5ed 100644
--- a/arch/microblaze/kernel/traps.c
+++ b/arch/microblaze/kernel/traps.c
@@ -95,37 +95,3 @@ void dump_stack(void)
95 show_stack(NULL, NULL); 95 show_stack(NULL, NULL);
96} 96}
97EXPORT_SYMBOL(dump_stack); 97EXPORT_SYMBOL(dump_stack);
98
99#ifdef CONFIG_MMU
100void __bug(const char *file, int line, void *data)
101{
102 if (data)
103 printk(KERN_CRIT "kernel BUG at %s:%d (data = %p)!\n",
104 file, line, data);
105 else
106 printk(KERN_CRIT "kernel BUG at %s:%d!\n", file, line);
107
108 machine_halt();
109}
110
111int bad_trap(int trap_num, struct pt_regs *regs)
112{
113 printk(KERN_CRIT
114 "unimplemented trap %d called at 0x%08lx, pid %d!\n",
115 trap_num, regs->pc, current->pid);
116 return -ENOSYS;
117}
118
119int debug_trap(struct pt_regs *regs)
120{
121 int i;
122 printk(KERN_CRIT "debug trap\n");
123 for (i = 0; i < 32; i++) {
124 /* printk("r%i:%08X\t",i,regs->gpr[i]); */
125 if ((i % 4) == 3)
126 printk(KERN_CRIT "\n");
127 }
128 printk(KERN_CRIT "pc:%08lX\tmsr:%08lX\n", regs->pc, regs->msr);
129 return -ENOSYS;
130}
131#endif
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index 5ef619aad634..db72d7124602 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -24,7 +24,8 @@ SECTIONS {
24 .text : AT(ADDR(.text) - LOAD_OFFSET) { 24 .text : AT(ADDR(.text) - LOAD_OFFSET) {
25 _text = . ; 25 _text = . ;
26 _stext = . ; 26 _stext = . ;
27 *(.text .text.*) 27 HEAD_TEXT
28 TEXT_TEXT
28 *(.fixup) 29 *(.fixup)
29 EXIT_TEXT 30 EXIT_TEXT
30 EXIT_CALL 31 EXIT_CALL
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index f956e24fe49c..5a59dad62bd2 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -42,11 +42,12 @@
42#include <linux/uaccess.h> 42#include <linux/uaccess.h>
43#include <asm/pgtable.h> 43#include <asm/pgtable.h>
44#include <asm/cpuinfo.h> 44#include <asm/cpuinfo.h>
45#include <asm/tlbflush.h>
45 46
46#ifndef CONFIG_MMU 47#ifndef CONFIG_MMU
47
48/* I have to use dcache values because I can't relate on ram size */ 48/* I have to use dcache values because I can't relate on ram size */
49#define UNCACHED_SHADOW_MASK (cpuinfo.dcache_high - cpuinfo.dcache_base + 1) 49# define UNCACHED_SHADOW_MASK (cpuinfo.dcache_high - cpuinfo.dcache_base + 1)
50#endif
50 51
51/* 52/*
52 * Consistent memory allocators. Used for DMA devices that want to 53 * Consistent memory allocators. Used for DMA devices that want to
@@ -60,71 +61,16 @@
60 */ 61 */
61void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle) 62void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle)
62{ 63{
63 struct page *page, *end, *free; 64 unsigned long order, vaddr;
64 unsigned long order; 65 void *ret;
65 void *ret, *virt; 66 unsigned int i, err = 0;
66 67 struct page *page, *end;
67 if (in_interrupt())
68 BUG();
69
70 size = PAGE_ALIGN(size);
71 order = get_order(size);
72
73 page = alloc_pages(gfp, order);
74 if (!page)
75 goto no_page;
76
77 /* We could do with a page_to_phys and page_to_bus here. */
78 virt = page_address(page);
79 ret = ioremap(virt_to_phys(virt), size);
80 if (!ret)
81 goto no_remap;
82
83 /*
84 * Here's the magic! Note if the uncached shadow is not implemented,
85 * it's up to the calling code to also test that condition and make
86 * other arranegments, such as manually flushing the cache and so on.
87 */
88#ifdef CONFIG_XILINX_UNCACHED_SHADOW
89 ret = (void *)((unsigned) ret | UNCACHED_SHADOW_MASK);
90#endif
91 /* dma_handle is same as physical (shadowed) address */
92 *dma_handle = (dma_addr_t)ret;
93
94 /*
95 * free wasted pages. We skip the first page since we know
96 * that it will have count = 1 and won't require freeing.
97 * We also mark the pages in use as reserved so that
98 * remap_page_range works.
99 */
100 page = virt_to_page(virt);
101 free = page + (size >> PAGE_SHIFT);
102 end = page + (1 << order);
103
104 for (; page < end; page++) {
105 init_page_count(page);
106 if (page >= free)
107 __free_page(page);
108 else
109 SetPageReserved(page);
110 }
111
112 return ret;
113no_remap:
114 __free_pages(page, order);
115no_page:
116 return NULL;
117}
118
119#else
120 68
121void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle) 69#ifdef CONFIG_MMU
122{
123 int order, err, i;
124 unsigned long page, va, flags;
125 phys_addr_t pa; 70 phys_addr_t pa;
126 struct vm_struct *area; 71 struct vm_struct *area;
127 void *ret; 72 unsigned long va;
73#endif
128 74
129 if (in_interrupt()) 75 if (in_interrupt())
130 BUG(); 76 BUG();
@@ -133,71 +79,133 @@ void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle)
133 size = PAGE_ALIGN(size); 79 size = PAGE_ALIGN(size);
134 order = get_order(size); 80 order = get_order(size);
135 81
136 page = __get_free_pages(gfp, order); 82 vaddr = __get_free_pages(gfp, order);
137 if (!page) { 83 if (!vaddr)
138 BUG();
139 return NULL; 84 return NULL;
140 }
141 85
142 /* 86 /*
143 * we need to ensure that there are no cachelines in use, 87 * we need to ensure that there are no cachelines in use,
144 * or worse dirty in this area. 88 * or worse dirty in this area.
145 */ 89 */
146 flush_dcache_range(virt_to_phys(page), virt_to_phys(page) + size); 90 flush_dcache_range(virt_to_phys((void *)vaddr),
91 virt_to_phys((void *)vaddr) + size);
147 92
93#ifndef CONFIG_MMU
94 ret = (void *)vaddr;
95 /*
96 * Here's the magic! Note if the uncached shadow is not implemented,
97 * it's up to the calling code to also test that condition and make
98 * other arranegments, such as manually flushing the cache and so on.
99 */
100# ifdef CONFIG_XILINX_UNCACHED_SHADOW
101 ret = (void *)((unsigned) ret | UNCACHED_SHADOW_MASK);
102# endif
103 if ((unsigned int)ret > cpuinfo.dcache_base &&
104 (unsigned int)ret < cpuinfo.dcache_high)
105 printk(KERN_WARNING
106 "ERROR: Your cache coherent area is CACHED!!!\n");
107
108 /* dma_handle is same as physical (shadowed) address */
109 *dma_handle = (dma_addr_t)ret;
110#else
148 /* Allocate some common virtual space to map the new pages. */ 111 /* Allocate some common virtual space to map the new pages. */
149 area = get_vm_area(size, VM_ALLOC); 112 area = get_vm_area(size, VM_ALLOC);
150 if (area == NULL) { 113 if (!area) {
151 free_pages(page, order); 114 free_pages(vaddr, order);
152 return NULL; 115 return NULL;
153 } 116 }
154 va = (unsigned long) area->addr; 117 va = (unsigned long) area->addr;
155 ret = (void *)va; 118 ret = (void *)va;
156 119
157 /* This gives us the real physical address of the first page. */ 120 /* This gives us the real physical address of the first page. */
158 *dma_handle = pa = virt_to_bus((void *)page); 121 *dma_handle = pa = virt_to_bus((void *)vaddr);
159 122#endif
160 /* MS: This is the whole magic - use cache inhibit pages */
161 flags = _PAGE_KERNEL | _PAGE_NO_CACHE;
162 123
163 /* 124 /*
164 * Set refcount=1 on all pages in an order>0 125 * free wasted pages. We skip the first page since we know
165 * allocation so that vfree() will actually 126 * that it will have count = 1 and won't require freeing.
166 * free all pages that were allocated. 127 * We also mark the pages in use as reserved so that
128 * remap_page_range works.
167 */ 129 */
168 if (order > 0) { 130 page = virt_to_page(vaddr);
169 struct page *rpage = virt_to_page(page); 131 end = page + (1 << order);
170 for (i = 1; i < (1 << order); i++) 132
171 init_page_count(rpage+i); 133 split_page(page, order);
134
135 for (i = 0; i < size && err == 0; i += PAGE_SIZE) {
136#ifdef CONFIG_MMU
137 /* MS: This is the whole magic - use cache inhibit pages */
138 err = map_page(va + i, pa + i, _PAGE_KERNEL | _PAGE_NO_CACHE);
139#endif
140
141 SetPageReserved(page);
142 page++;
172 } 143 }
173 144
174 err = 0; 145 /* Free the otherwise unused pages. */
175 for (i = 0; i < size && err == 0; i += PAGE_SIZE) 146 while (page < end) {
176 err = map_page(va+i, pa+i, flags); 147 __free_page(page);
148 page++;
149 }
177 150
178 if (err) { 151 if (err) {
179 vfree((void *)va); 152 free_pages(vaddr, order);
180 return NULL; 153 return NULL;
181 } 154 }
182 155
183 return ret; 156 return ret;
184} 157}
185#endif /* CONFIG_MMU */
186EXPORT_SYMBOL(consistent_alloc); 158EXPORT_SYMBOL(consistent_alloc);
187 159
188/* 160/*
189 * free page(s) as defined by the above mapping. 161 * free page(s) as defined by the above mapping.
190 */ 162 */
191void consistent_free(void *vaddr) 163void consistent_free(size_t size, void *vaddr)
192{ 164{
165 struct page *page;
166
193 if (in_interrupt()) 167 if (in_interrupt())
194 BUG(); 168 BUG();
195 169
170 size = PAGE_ALIGN(size);
171
172#ifndef CONFIG_MMU
196 /* Clear SHADOW_MASK bit in address, and free as per usual */ 173 /* Clear SHADOW_MASK bit in address, and free as per usual */
197#ifdef CONFIG_XILINX_UNCACHED_SHADOW 174# ifdef CONFIG_XILINX_UNCACHED_SHADOW
198 vaddr = (void *)((unsigned)vaddr & ~UNCACHED_SHADOW_MASK); 175 vaddr = (void *)((unsigned)vaddr & ~UNCACHED_SHADOW_MASK);
176# endif
177 page = virt_to_page(vaddr);
178
179 do {
180 ClearPageReserved(page);
181 __free_page(page);
182 page++;
183 } while (size -= PAGE_SIZE);
184#else
185 do {
186 pte_t *ptep;
187 unsigned long pfn;
188
189 ptep = pte_offset_kernel(pmd_offset(pgd_offset_k(
190 (unsigned int)vaddr),
191 (unsigned int)vaddr),
192 (unsigned int)vaddr);
193 if (!pte_none(*ptep) && pte_present(*ptep)) {
194 pfn = pte_pfn(*ptep);
195 pte_clear(&init_mm, (unsigned int)vaddr, ptep);
196 if (pfn_valid(pfn)) {
197 page = pfn_to_page(pfn);
198
199 ClearPageReserved(page);
200 __free_page(page);
201 }
202 }
203 vaddr += PAGE_SIZE;
204 } while (size -= PAGE_SIZE);
205
206 /* flush tlb */
207 flush_tlb_all();
199#endif 208#endif
200 vfree(vaddr);
201} 209}
202EXPORT_SYMBOL(consistent_free); 210EXPORT_SYMBOL(consistent_free);
203 211
@@ -221,7 +229,7 @@ void consistent_sync(void *vaddr, size_t size, int direction)
221 case PCI_DMA_NONE: 229 case PCI_DMA_NONE:
222 BUG(); 230 BUG();
223 case PCI_DMA_FROMDEVICE: /* invalidate only */ 231 case PCI_DMA_FROMDEVICE: /* invalidate only */
224 flush_dcache_range(start, end); 232 invalidate_dcache_range(start, end);
225 break; 233 break;
226 case PCI_DMA_TODEVICE: /* writeback only */ 234 case PCI_DMA_TODEVICE: /* writeback only */
227 flush_dcache_range(start, end); 235 flush_dcache_range(start, end);
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index 7af87f4b2c2c..bab922993185 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -273,16 +273,11 @@ bad_area_nosemaphore:
273 * us unable to handle the page fault gracefully. 273 * us unable to handle the page fault gracefully.
274 */ 274 */
275out_of_memory: 275out_of_memory:
276 if (current->pid == 1) {
277 yield();
278 down_read(&mm->mmap_sem);
279 goto survive;
280 }
281 up_read(&mm->mmap_sem); 276 up_read(&mm->mmap_sem);
282 printk(KERN_WARNING "VM: killing process %s\n", current->comm); 277 if (!user_mode(regs))
283 if (user_mode(regs)) 278 bad_page_fault(regs, address, SIGKILL);
284 do_exit(SIGKILL); 279 else
285 bad_page_fault(regs, address, SIGKILL); 280 pagefault_out_of_memory();
286 return; 281 return;
287 282
288do_sigbus: 283do_sigbus:
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index f42c2dde8b1c..cca3579d4268 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -47,6 +47,7 @@ unsigned long memory_start;
47EXPORT_SYMBOL(memory_start); 47EXPORT_SYMBOL(memory_start);
48unsigned long memory_end; /* due to mm/nommu.c */ 48unsigned long memory_end; /* due to mm/nommu.c */
49unsigned long memory_size; 49unsigned long memory_size;
50EXPORT_SYMBOL(memory_size);
50 51
51/* 52/*
52 * paging_init() sets up the page tables - in fact we've already done this. 53 * paging_init() sets up the page tables - in fact we've already done this.
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index d31312cde6ea..59bf2335a4ce 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -42,6 +42,7 @@
42 42
43unsigned long ioremap_base; 43unsigned long ioremap_base;
44unsigned long ioremap_bot; 44unsigned long ioremap_bot;
45EXPORT_SYMBOL(ioremap_bot);
45 46
46/* The maximum lowmem defaults to 768Mb, but this can be configured to 47/* The maximum lowmem defaults to 768Mb, but this can be configured to
47 * another value. 48 * another value.
@@ -161,24 +162,6 @@ int map_page(unsigned long va, phys_addr_t pa, int flags)
161 return err; 162 return err;
162} 163}
163 164
164void __init adjust_total_lowmem(void)
165{
166/* TBD */
167#if 0
168 unsigned long max_low_mem = MAX_LOW_MEM;
169
170 if (total_lowmem > max_low_mem) {
171 total_lowmem = max_low_mem;
172#ifndef CONFIG_HIGHMEM
173 printk(KERN_INFO "Warning, memory limited to %ld Mb, use "
174 "CONFIG_HIGHMEM to reach %ld Mb\n",
175 max_low_mem >> 20, total_memory >> 20);
176 total_memory = total_lowmem;
177#endif /* CONFIG_HIGHMEM */
178 }
179#endif
180}
181
182/* 165/*
183 * Map in all of physical memory starting at CONFIG_KERNEL_START. 166 * Map in all of physical memory starting at CONFIG_KERNEL_START.
184 */ 167 */
@@ -206,24 +189,6 @@ void __init mapin_ram(void)
206/* is x a power of 2? */ 189/* is x a power of 2? */
207#define is_power_of_2(x) ((x) != 0 && (((x) & ((x) - 1)) == 0)) 190#define is_power_of_2(x) ((x) != 0 && (((x) & ((x) - 1)) == 0))
208 191
209/*
210 * Set up a mapping for a block of I/O.
211 * virt, phys, size must all be page-aligned.
212 * This should only be called before ioremap is called.
213 */
214void __init io_block_mapping(unsigned long virt, phys_addr_t phys,
215 unsigned int size, int flags)
216{
217 int i;
218
219 if (virt > CONFIG_KERNEL_START && virt < ioremap_bot)
220 ioremap_bot = ioremap_base = virt;
221
222 /* Put it in the page tables. */
223 for (i = 0; i < size; i += PAGE_SIZE)
224 map_page(virt + i, phys + i, flags);
225}
226
227/* Scan the real Linux page tables and return a PTE pointer for 192/* Scan the real Linux page tables and return a PTE pointer for
228 * a virtual address in a context. 193 * a virtual address in a context.
229 * Returns true (1) if PTE was found, zero otherwise. The pointer to 194 * Returns true (1) if PTE was found, zero otherwise. The pointer to
@@ -274,3 +239,18 @@ unsigned long iopa(unsigned long addr)
274 239
275 return pa; 240 return pa;
276} 241}
242
243__init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
244 unsigned long address)
245{
246 pte_t *pte;
247 if (mem_init_done) {
248 pte = (pte_t *)__get_free_page(GFP_KERNEL |
249 __GFP_REPEAT | __GFP_ZERO);
250 } else {
251 pte = (pte_t *)early_get_page();
252 if (pte)
253 clear_page(pte);
254 }
255 return pte;
256}
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 740bb32ec57e..9cb782b8e036 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -1025,7 +1025,7 @@ static void __devinit pcibios_fixup_bridge(struct pci_bus *bus)
1025 1025
1026 struct pci_dev *dev = bus->self; 1026 struct pci_dev *dev = bus->self;
1027 1027
1028 for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { 1028 pci_bus_for_each_resource(bus, res, i) {
1029 res = bus->resource[i]; 1029 res = bus->resource[i];
1030 if (!res) 1030 if (!res)
1031 continue; 1031 continue;
@@ -1131,21 +1131,20 @@ static int skip_isa_ioresource_align(struct pci_dev *dev)
1131 * but we want to try to avoid allocating at 0x2900-0x2bff 1131 * but we want to try to avoid allocating at 0x2900-0x2bff
1132 * which might have be mirrored at 0x0100-0x03ff.. 1132 * which might have be mirrored at 0x0100-0x03ff..
1133 */ 1133 */
1134void pcibios_align_resource(void *data, struct resource *res, 1134resource_size_t pcibios_align_resource(void *data, const struct resource *res,
1135 resource_size_t size, resource_size_t align) 1135 resource_size_t size, resource_size_t align)
1136{ 1136{
1137 struct pci_dev *dev = data; 1137 struct pci_dev *dev = data;
1138 resource_size_t start = res->start;
1138 1139
1139 if (res->flags & IORESOURCE_IO) { 1140 if (res->flags & IORESOURCE_IO) {
1140 resource_size_t start = res->start;
1141
1142 if (skip_isa_ioresource_align(dev)) 1141 if (skip_isa_ioresource_align(dev))
1143 return; 1142 return start;
1144 if (start & 0x300) { 1143 if (start & 0x300)
1145 start = (start + 0x3ff) & ~0x3ff; 1144 start = (start + 0x3ff) & ~0x3ff;
1146 res->start = start;
1147 }
1148 } 1145 }
1146
1147 return start;
1149} 1148}
1150EXPORT_SYMBOL(pcibios_align_resource); 1149EXPORT_SYMBOL(pcibios_align_resource);
1151 1150
@@ -1228,7 +1227,7 @@ void pcibios_allocate_bus_resources(struct pci_bus *bus)
1228 pr_debug("PCI: Allocating bus resources for %04x:%02x...\n", 1227 pr_debug("PCI: Allocating bus resources for %04x:%02x...\n",
1229 pci_domain_nr(bus), bus->number); 1228 pci_domain_nr(bus), bus->number);
1230 1229
1231 for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { 1230 pci_bus_for_each_resource(bus, res, i) {
1232 res = bus->resource[i]; 1231 res = bus->resource[i];
1233 if (!res || !res->flags 1232 if (!res || !res->flags
1234 || res->start > res->end || res->parent) 1233 || res->start > res->end || res->parent)
@@ -1508,7 +1507,7 @@ void pcibios_finish_adding_to_bus(struct pci_bus *bus)
1508 pci_bus_add_devices(bus); 1507 pci_bus_add_devices(bus);
1509 1508
1510 /* Fixup EEH */ 1509 /* Fixup EEH */
1511 eeh_add_device_tree_late(bus); 1510 /* eeh_add_device_tree_late(bus); */
1512} 1511}
1513EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus); 1512EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus);
1514 1513
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 519197ede089..59dc0c7ef733 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -29,7 +29,7 @@
29 * 29 *
30 * Atomically reads the value of @v. 30 * Atomically reads the value of @v.
31 */ 31 */
32#define atomic_read(v) ((v)->counter) 32#define atomic_read(v) (*(volatile int *)&(v)->counter)
33 33
34/* 34/*
35 * atomic_set - set atomic variable 35 * atomic_set - set atomic variable
@@ -410,7 +410,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
410 * @v: pointer of type atomic64_t 410 * @v: pointer of type atomic64_t
411 * 411 *
412 */ 412 */
413#define atomic64_read(v) ((v)->counter) 413#define atomic64_read(v) (*(volatile long *)&(v)->counter)
414 414
415/* 415/*
416 * atomic64_set - set atomic variable 416 * atomic64_set - set atomic variable
diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h
index 032ca73f181b..48bb82372994 100644
--- a/arch/mips/include/asm/i8253.h
+++ b/arch/mips/include/asm/i8253.h
@@ -12,7 +12,7 @@
12#define PIT_CH0 0x40 12#define PIT_CH0 0x40
13#define PIT_CH2 0x42 13#define PIT_CH2 0x42
14 14
15extern spinlock_t i8253_lock; 15extern raw_spinlock_t i8253_lock;
16 16
17extern void setup_pit_timer(void); 17extern void setup_pit_timer(void);
18 18
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 49382d5e891a..c6e3c93ce7c7 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -135,6 +135,12 @@
135#define FPU_CSR_COND7 0x80000000 /* $fcc7 */ 135#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
136 136
137/* 137/*
138 * Bits 18 - 20 of the FPU Status Register will be read as 0,
139 * and should be written as zero.
140 */
141#define FPU_CSR_RSVD 0x001c0000
142
143/*
138 * X the exception cause indicator 144 * X the exception cause indicator
139 * E the exception enable 145 * E the exception enable
140 * S the sticky/flag bit 146 * S the sticky/flag bit
@@ -161,7 +167,8 @@
161#define FPU_CSR_UDF_S 0x00000008 167#define FPU_CSR_UDF_S 0x00000008
162#define FPU_CSR_INE_S 0x00000004 168#define FPU_CSR_INE_S 0x00000004
163 169
164/* rounding mode */ 170/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
171#define FPU_CSR_RM 0x00000003
165#define FPU_CSR_RN 0x0 /* nearest */ 172#define FPU_CSR_RN 0x0 /* nearest */
166#define FPU_CSR_RZ 0x1 /* towards zero */ 173#define FPU_CSR_RZ 0x1 /* towards zero */
167#define FPU_CSR_RU 0x2 /* towards +Infinity */ 174#define FPU_CSR_RU 0x2 /* towards +Infinity */
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index ed5c441615e4..94794062a177 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -15,7 +15,7 @@
15#include <asm/io.h> 15#include <asm/io.h>
16#include <asm/time.h> 16#include <asm/time.h>
17 17
18DEFINE_SPINLOCK(i8253_lock); 18DEFINE_RAW_SPINLOCK(i8253_lock);
19EXPORT_SYMBOL(i8253_lock); 19EXPORT_SYMBOL(i8253_lock);
20 20
21/* 21/*
@@ -26,7 +26,7 @@ EXPORT_SYMBOL(i8253_lock);
26static void init_pit_timer(enum clock_event_mode mode, 26static void init_pit_timer(enum clock_event_mode mode,
27 struct clock_event_device *evt) 27 struct clock_event_device *evt)
28{ 28{
29 spin_lock(&i8253_lock); 29 raw_spin_lock(&i8253_lock);
30 30
31 switch(mode) { 31 switch(mode) {
32 case CLOCK_EVT_MODE_PERIODIC: 32 case CLOCK_EVT_MODE_PERIODIC:
@@ -55,7 +55,7 @@ static void init_pit_timer(enum clock_event_mode mode,
55 /* Nothing to do here */ 55 /* Nothing to do here */
56 break; 56 break;
57 } 57 }
58 spin_unlock(&i8253_lock); 58 raw_spin_unlock(&i8253_lock);
59} 59}
60 60
61/* 61/*
@@ -65,10 +65,10 @@ static void init_pit_timer(enum clock_event_mode mode,
65 */ 65 */
66static int pit_next_event(unsigned long delta, struct clock_event_device *evt) 66static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
67{ 67{
68 spin_lock(&i8253_lock); 68 raw_spin_lock(&i8253_lock);
69 outb_p(delta & 0xff , PIT_CH0); /* LSB */ 69 outb_p(delta & 0xff , PIT_CH0); /* LSB */
70 outb(delta >> 8 , PIT_CH0); /* MSB */ 70 outb(delta >> 8 , PIT_CH0); /* MSB */
71 spin_unlock(&i8253_lock); 71 raw_spin_unlock(&i8253_lock);
72 72
73 return 0; 73 return 0;
74} 74}
@@ -137,7 +137,7 @@ static cycle_t pit_read(struct clocksource *cs)
137 static int old_count; 137 static int old_count;
138 static u32 old_jifs; 138 static u32 old_jifs;
139 139
140 spin_lock_irqsave(&i8253_lock, flags); 140 raw_spin_lock_irqsave(&i8253_lock, flags);
141 /* 141 /*
142 * Although our caller may have the read side of xtime_lock, 142 * Although our caller may have the read side of xtime_lock,
143 * this is now a seqlock, and we are cheating in this routine 143 * this is now a seqlock, and we are cheating in this routine
@@ -183,7 +183,7 @@ static cycle_t pit_read(struct clocksource *cs)
183 old_count = count; 183 old_count = count;
184 old_jifs = jifs; 184 old_jifs = jifs;
185 185
186 spin_unlock_irqrestore(&i8253_lock, flags); 186 raw_spin_unlock_irqrestore(&i8253_lock, flags);
187 187
188 count = (LATCH - 1) - count; 188 count = (LATCH - 1) - count;
189 189
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 44337ba03717..a5297e2a353a 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -385,7 +385,7 @@ EXPORT(sysn32_call_table)
385 PTR sys_fchmodat 385 PTR sys_fchmodat
386 PTR sys_faccessat 386 PTR sys_faccessat
387 PTR compat_sys_pselect6 387 PTR compat_sys_pselect6
388 PTR sys_ppoll /* 6265 */ 388 PTR compat_sys_ppoll /* 6265 */
389 PTR sys_unshare 389 PTR sys_unshare
390 PTR sys_splice 390 PTR sys_splice
391 PTR sys_sync_file_range 391 PTR sys_sync_file_range
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 8f2f8e9d8b21..f2338d1c0b48 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -78,6 +78,9 @@ DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
78#define FPCREG_RID 0 /* $0 = revision id */ 78#define FPCREG_RID 0 /* $0 = revision id */
79#define FPCREG_CSR 31 /* $31 = csr */ 79#define FPCREG_CSR 31 /* $31 = csr */
80 80
81/* Determine rounding mode from the RM bits of the FCSR */
82#define modeindex(v) ((v) & FPU_CSR_RM)
83
81/* Convert Mips rounding mode (0..3) to IEEE library modes. */ 84/* Convert Mips rounding mode (0..3) to IEEE library modes. */
82static const unsigned char ieee_rm[4] = { 85static const unsigned char ieee_rm[4] = {
83 [FPU_CSR_RN] = IEEE754_RN, 86 [FPU_CSR_RN] = IEEE754_RN,
@@ -384,10 +387,14 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
384 (void *) (xcp->cp0_epc), 387 (void *) (xcp->cp0_epc),
385 MIPSInst_RT(ir), value); 388 MIPSInst_RT(ir), value);
386#endif 389#endif
387 value &= (FPU_CSR_FLUSH | FPU_CSR_ALL_E | FPU_CSR_ALL_S | 0x03); 390
388 ctx->fcr31 &= ~(FPU_CSR_FLUSH | FPU_CSR_ALL_E | FPU_CSR_ALL_S | 0x03); 391 /*
389 /* convert to ieee library modes */ 392 * Don't write reserved bits,
390 ctx->fcr31 |= (value & ~0x3) | ieee_rm[value & 0x3]; 393 * and convert to ieee library modes
394 */
395 ctx->fcr31 = (value &
396 ~(FPU_CSR_RSVD | FPU_CSR_RM)) |
397 ieee_rm[modeindex(value)];
391 } 398 }
392 if ((ctx->fcr31 >> 5) & ctx->fcr31 & FPU_CSR_ALL_E) { 399 if ((ctx->fcr31 >> 5) & ctx->fcr31 & FPU_CSR_ALL_E) {
393 return SIGFPE; 400 return SIGFPE;
diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index 29e2326b6257..fa3bf661ae29 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -122,7 +122,7 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id)
122 */ 122 */
123 123
124 /* Check whether the irq belongs to me */ 124 /* Check whether the irq belongs to me */
125 enabled = read_c0_perfcnt() & LOONGSON2_PERFCNT_INT_EN; 125 enabled = read_c0_perfctrl() & LOONGSON2_PERFCNT_INT_EN;
126 if (!enabled) 126 if (!enabled)
127 return IRQ_NONE; 127 return IRQ_NONE;
128 enabled = reg.cnt1_enabled | reg.cnt2_enabled; 128 enabled = reg.cnt1_enabled | reg.cnt2_enabled;
diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
index 5bf5be9566de..e41222d6c2fd 100644
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -31,7 +31,7 @@
31 * Atomically reads the value of @v. Note that the guaranteed 31 * Atomically reads the value of @v. Note that the guaranteed
32 * useful range of an atomic_t is only 24 bits. 32 * useful range of an atomic_t is only 24 bits.
33 */ 33 */
34#define atomic_read(v) ((v)->counter) 34#define atomic_read(v) (*(volatile int *)&(v)->counter)
35 35
36/** 36/**
37 * atomic_set - set atomic variable 37 * atomic_set - set atomic variable
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 716634d1f546..f81955934aeb 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -189,7 +189,7 @@ static __inline__ void atomic_set(atomic_t *v, int i)
189 189
190static __inline__ int atomic_read(const atomic_t *v) 190static __inline__ int atomic_read(const atomic_t *v)
191{ 191{
192 return v->counter; 192 return (*(volatile int *)&(v)->counter);
193} 193}
194 194
195/* exported interface */ 195/* exported interface */
@@ -286,7 +286,7 @@ atomic64_set(atomic64_t *v, s64 i)
286static __inline__ s64 286static __inline__ s64
287atomic64_read(const atomic64_t *v) 287atomic64_read(const atomic64_t *v)
288{ 288{
289 return v->counter; 289 return (*(volatile long *)&(v)->counter);
290} 290}
291 291
292#define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)(i)),(v)))) 292#define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)(i)),(v))))
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 9f4c9d4f5803..bd100fcf40d0 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -130,43 +130,5 @@ static inline int irqs_disabled_flags(unsigned long flags)
130 */ 130 */
131struct irq_chip; 131struct irq_chip;
132 132
133#ifdef CONFIG_PERF_EVENTS
134
135#ifdef CONFIG_PPC64
136static inline unsigned long test_perf_event_pending(void)
137{
138 unsigned long x;
139
140 asm volatile("lbz %0,%1(13)"
141 : "=r" (x)
142 : "i" (offsetof(struct paca_struct, perf_event_pending)));
143 return x;
144}
145
146static inline void set_perf_event_pending(void)
147{
148 asm volatile("stb %0,%1(13)" : :
149 "r" (1),
150 "i" (offsetof(struct paca_struct, perf_event_pending)));
151}
152
153static inline void clear_perf_event_pending(void)
154{
155 asm volatile("stb %0,%1(13)" : :
156 "r" (0),
157 "i" (offsetof(struct paca_struct, perf_event_pending)));
158}
159#endif /* CONFIG_PPC64 */
160
161#else /* CONFIG_PERF_EVENTS */
162
163static inline unsigned long test_perf_event_pending(void)
164{
165 return 0;
166}
167
168static inline void clear_perf_event_pending(void) {}
169#endif /* CONFIG_PERF_EVENTS */
170
171#endif /* __KERNEL__ */ 133#endif /* __KERNEL__ */
172#endif /* _ASM_POWERPC_HW_IRQ_H */ 134#endif /* _ASM_POWERPC_HW_IRQ_H */
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 957ceb7059c5..c09138d150d4 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -133,7 +133,6 @@ int main(void)
133 DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr)); 133 DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
134 DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled)); 134 DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
135 DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled)); 135 DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
136 DEFINE(PACAPERFPEND, offsetof(struct paca_struct, perf_event_pending));
137 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); 136 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
138#ifdef CONFIG_PPC_MM_SLICES 137#ifdef CONFIG_PPC_MM_SLICES
139 DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct, 138 DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 59c928564a03..4ff4da2c238b 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -1,7 +1,8 @@
1/* 1/*
2 * Contains routines needed to support swiotlb for ppc. 2 * Contains routines needed to support swiotlb for ppc.
3 * 3 *
4 * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor 4 * Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
5 * Author: Becky Bruce
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 8 * under the terms of the GNU General Public License as published by the
@@ -70,7 +71,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
70 sd->max_direct_dma_addr = 0; 71 sd->max_direct_dma_addr = 0;
71 72
72 /* May need to bounce if the device can't address all of DRAM */ 73 /* May need to bounce if the device can't address all of DRAM */
73 if (dma_get_mask(dev) < lmb_end_of_DRAM()) 74 if ((dma_get_mask(dev) + 1) < lmb_end_of_DRAM())
74 set_dma_ops(dev, &swiotlb_dma_ops); 75 set_dma_ops(dev, &swiotlb_dma_ops);
75 76
76 return NOTIFY_DONE; 77 return NOTIFY_DONE;
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 07109d843787..42e9d908914a 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -556,15 +556,6 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
5562: 5562:
557 TRACE_AND_RESTORE_IRQ(r5); 557 TRACE_AND_RESTORE_IRQ(r5);
558 558
559#ifdef CONFIG_PERF_EVENTS
560 /* check paca->perf_event_pending if we're enabling ints */
561 lbz r3,PACAPERFPEND(r13)
562 and. r3,r3,r5
563 beq 27f
564 bl .perf_event_do_pending
56527:
566#endif /* CONFIG_PERF_EVENTS */
567
568 /* extract EE bit and use it to restore paca->hard_enabled */ 559 /* extract EE bit and use it to restore paca->hard_enabled */
569 ld r3,_MSR(r1) 560 ld r3,_MSR(r1)
570 rldicl r4,r3,49,63 /* r0 = (r3 >> 15) & 1 */ 561 rldicl r4,r3,49,63 /* r0 = (r3 >> 15) & 1 */
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 64f6f2031c22..066bd31551d5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -53,7 +53,6 @@
53#include <linux/bootmem.h> 53#include <linux/bootmem.h>
54#include <linux/pci.h> 54#include <linux/pci.h>
55#include <linux/debugfs.h> 55#include <linux/debugfs.h>
56#include <linux/perf_event.h>
57 56
58#include <asm/uaccess.h> 57#include <asm/uaccess.h>
59#include <asm/system.h> 58#include <asm/system.h>
@@ -145,11 +144,6 @@ notrace void raw_local_irq_restore(unsigned long en)
145 } 144 }
146#endif /* CONFIG_PPC_STD_MMU_64 */ 145#endif /* CONFIG_PPC_STD_MMU_64 */
147 146
148 if (test_perf_event_pending()) {
149 clear_perf_event_pending();
150 perf_event_do_pending();
151 }
152
153 /* 147 /*
154 * if (get_paca()->hard_enabled) return; 148 * if (get_paca()->hard_enabled) return;
155 * But again we need to take care that gcc gets hard_enabled directly 149 * But again we need to take care that gcc gets hard_enabled directly
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 1b16b9a3e49a..0441bbdadbd1 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -532,25 +532,60 @@ void __init iSeries_time_init_early(void)
532} 532}
533#endif /* CONFIG_PPC_ISERIES */ 533#endif /* CONFIG_PPC_ISERIES */
534 534
535#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_PPC32) 535#ifdef CONFIG_PERF_EVENTS
536DEFINE_PER_CPU(u8, perf_event_pending);
537 536
538void set_perf_event_pending(void) 537/*
538 * 64-bit uses a byte in the PACA, 32-bit uses a per-cpu variable...
539 */
540#ifdef CONFIG_PPC64
541static inline unsigned long test_perf_event_pending(void)
539{ 542{
540 get_cpu_var(perf_event_pending) = 1; 543 unsigned long x;
541 set_dec(1); 544
542 put_cpu_var(perf_event_pending); 545 asm volatile("lbz %0,%1(13)"
546 : "=r" (x)
547 : "i" (offsetof(struct paca_struct, perf_event_pending)));
548 return x;
543} 549}
544 550
551static inline void set_perf_event_pending_flag(void)
552{
553 asm volatile("stb %0,%1(13)" : :
554 "r" (1),
555 "i" (offsetof(struct paca_struct, perf_event_pending)));
556}
557
558static inline void clear_perf_event_pending(void)
559{
560 asm volatile("stb %0,%1(13)" : :
561 "r" (0),
562 "i" (offsetof(struct paca_struct, perf_event_pending)));
563}
564
565#else /* 32-bit */
566
567DEFINE_PER_CPU(u8, perf_event_pending);
568
569#define set_perf_event_pending_flag() __get_cpu_var(perf_event_pending) = 1
545#define test_perf_event_pending() __get_cpu_var(perf_event_pending) 570#define test_perf_event_pending() __get_cpu_var(perf_event_pending)
546#define clear_perf_event_pending() __get_cpu_var(perf_event_pending) = 0 571#define clear_perf_event_pending() __get_cpu_var(perf_event_pending) = 0
547 572
548#else /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */ 573#endif /* 32 vs 64 bit */
574
575void set_perf_event_pending(void)
576{
577 preempt_disable();
578 set_perf_event_pending_flag();
579 set_dec(1);
580 preempt_enable();
581}
582
583#else /* CONFIG_PERF_EVENTS */
549 584
550#define test_perf_event_pending() 0 585#define test_perf_event_pending() 0
551#define clear_perf_event_pending() 586#define clear_perf_event_pending()
552 587
553#endif /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */ 588#endif /* CONFIG_PERF_EVENTS */
554 589
555/* 590/*
556 * For iSeries shared processors, we have to let the hypervisor 591 * For iSeries shared processors, we have to let the hypervisor
@@ -582,10 +617,6 @@ void timer_interrupt(struct pt_regs * regs)
582 set_dec(DECREMENTER_MAX); 617 set_dec(DECREMENTER_MAX);
583 618
584#ifdef CONFIG_PPC32 619#ifdef CONFIG_PPC32
585 if (test_perf_event_pending()) {
586 clear_perf_event_pending();
587 perf_event_do_pending();
588 }
589 if (atomic_read(&ppc_n_lost_interrupts) != 0) 620 if (atomic_read(&ppc_n_lost_interrupts) != 0)
590 do_IRQ(regs); 621 do_IRQ(regs);
591#endif 622#endif
@@ -604,6 +635,11 @@ void timer_interrupt(struct pt_regs * regs)
604 635
605 calculate_steal_time(); 636 calculate_steal_time();
606 637
638 if (test_perf_event_pending()) {
639 clear_perf_event_pending();
640 perf_event_do_pending();
641 }
642
607#ifdef CONFIG_PPC_ISERIES 643#ifdef CONFIG_PPC_ISERIES
608 if (firmware_has_feature(FW_FEATURE_ISERIES)) 644 if (firmware_has_feature(FW_FEATURE_ISERIES))
609 get_lppaca()->int_dword.fields.decr_int = 0; 645 get_lppaca()->int_dword.fields.decr_int = 0;
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 2570fcc7665d..812312542e50 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -440,7 +440,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
440 unsigned int gtlb_index; 440 unsigned int gtlb_index;
441 441
442 gtlb_index = kvmppc_get_gpr(vcpu, ra); 442 gtlb_index = kvmppc_get_gpr(vcpu, ra);
443 if (gtlb_index > KVM44x_GUEST_TLB_SIZE) { 443 if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
444 printk("%s: index %d\n", __func__, gtlb_index); 444 printk("%s: index %d\n", __func__, gtlb_index);
445 kvmppc_dump_vcpu(vcpu); 445 kvmppc_dump_vcpu(vcpu);
446 return EMULATE_FAIL; 446 return EMULATE_FAIL;
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index 1bbcc499d455..b8f8dc126102 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -82,7 +82,7 @@ startup_continue:
82_ehead: 82_ehead:
83 83
84#ifdef CONFIG_SHARED_KERNEL 84#ifdef CONFIG_SHARED_KERNEL
85 .org 0x100000 85 .org 0x100000 - 0x11000 # head.o ends at 0x11000
86#endif 86#endif
87 87
88# 88#
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 1f70970de0aa..cdef68717416 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -80,7 +80,7 @@ startup_continue:
80_ehead: 80_ehead:
81 81
82#ifdef CONFIG_SHARED_KERNEL 82#ifdef CONFIG_SHARED_KERNEL
83 .org 0x100000 83 .org 0x100000 - 0x11000 # head.o ends at 0x11000
84#endif 84#endif
85 85
86# 86#
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 33fdc5a79764..9f654da4cecc 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -640,7 +640,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
640 640
641asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) 641asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
642{ 642{
643 long ret; 643 long ret = 0;
644 644
645 /* Do the secure computing check first. */ 645 /* Do the secure computing check first. */
646 secure_computing(regs->gprs[2]); 646 secure_computing(regs->gprs[2]);
@@ -649,7 +649,6 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
649 * The sysc_tracesys code in entry.S stored the system 649 * The sysc_tracesys code in entry.S stored the system
650 * call number to gprs[2]. 650 * call number to gprs[2].
651 */ 651 */
652 ret = regs->gprs[2];
653 if (test_thread_flag(TIF_SYSCALL_TRACE) && 652 if (test_thread_flag(TIF_SYSCALL_TRACE) &&
654 (tracehook_report_syscall_entry(regs) || 653 (tracehook_report_syscall_entry(regs) ||
655 regs->gprs[2] >= NR_syscalls)) { 654 regs->gprs[2] >= NR_syscalls)) {
@@ -671,7 +670,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
671 regs->gprs[2], regs->orig_gpr2, 670 regs->gprs[2], regs->orig_gpr2,
672 regs->gprs[3], regs->gprs[4], 671 regs->gprs[3], regs->gprs[4],
673 regs->gprs[5]); 672 regs->gprs[5]);
674 return ret; 673 return ret ?: regs->gprs[2];
675} 674}
676 675
677asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) 676asmlinkage void do_syscall_trace_exit(struct pt_regs *regs)
diff --git a/arch/sh/configs/rts7751r2d1_defconfig b/arch/sh/configs/rts7751r2d1_defconfig
index fba1f62d56e7..dba024d72a89 100644
--- a/arch/sh/configs/rts7751r2d1_defconfig
+++ b/arch/sh/configs/rts7751r2d1_defconfig
@@ -877,7 +877,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
877# 877#
878# CONFIG_SERIAL_MAX3100 is not set 878# CONFIG_SERIAL_MAX3100 is not set
879CONFIG_SERIAL_SH_SCI=y 879CONFIG_SERIAL_SH_SCI=y
880CONFIG_SERIAL_SH_SCI_NR_UARTS=1 880CONFIG_SERIAL_SH_SCI_NR_UARTS=2
881CONFIG_SERIAL_SH_SCI_CONSOLE=y 881CONFIG_SERIAL_SH_SCI_CONSOLE=y
882CONFIG_SERIAL_CORE=y 882CONFIG_SERIAL_CORE=y
883CONFIG_SERIAL_CORE_CONSOLE=y 883CONFIG_SERIAL_CORE_CONSOLE=y
diff --git a/arch/sh/configs/rts7751r2dplus_defconfig b/arch/sh/configs/rts7751r2dplus_defconfig
index a8d538f06e67..6d511d06cbf6 100644
--- a/arch/sh/configs/rts7751r2dplus_defconfig
+++ b/arch/sh/configs/rts7751r2dplus_defconfig
@@ -963,7 +963,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
963# 963#
964# CONFIG_SERIAL_MAX3100 is not set 964# CONFIG_SERIAL_MAX3100 is not set
965CONFIG_SERIAL_SH_SCI=y 965CONFIG_SERIAL_SH_SCI=y
966CONFIG_SERIAL_SH_SCI_NR_UARTS=1 966CONFIG_SERIAL_SH_SCI_NR_UARTS=2
967CONFIG_SERIAL_SH_SCI_CONSOLE=y 967CONFIG_SERIAL_SH_SCI_CONSOLE=y
968CONFIG_SERIAL_CORE=y 968CONFIG_SERIAL_CORE=y
969CONFIG_SERIAL_CORE_CONSOLE=y 969CONFIG_SERIAL_CORE_CONSOLE=y
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 17811e5d287b..f98141b3b7d7 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -17,6 +17,7 @@
17#include <linux/io.h> 17#include <linux/io.h>
18#include "pci-sh4.h" 18#include "pci-sh4.h"
19#include <asm/addrspace.h> 19#include <asm/addrspace.h>
20#include <asm/sizes.h>
20 21
21static int __init __area_sdram_check(struct pci_channel *chan, 22static int __init __area_sdram_check(struct pci_channel *chan,
22 unsigned int area) 23 unsigned int area)
@@ -47,8 +48,8 @@ static int __init __area_sdram_check(struct pci_channel *chan,
47static struct resource sh7751_pci_resources[] = { 48static struct resource sh7751_pci_resources[] = {
48 { 49 {
49 .name = "SH7751_IO", 50 .name = "SH7751_IO",
50 .start = SH7751_PCI_IO_BASE, 51 .start = 0x1000,
51 .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1, 52 .end = SZ_4M - 1,
52 .flags = IORESOURCE_IO 53 .flags = IORESOURCE_IO
53 }, { 54 }, {
54 .name = "SH7751_mem", 55 .name = "SH7751_mem",
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index 275a448ae8c2..c7983124d99d 100644
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -13,7 +13,7 @@
13 13
14#define ATOMIC_INIT(i) ( (atomic_t) { (i) } ) 14#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
15 15
16#define atomic_read(v) ((v)->counter) 16#define atomic_read(v) (*(volatile int *)&(v)->counter)
17#define atomic_set(v,i) ((v)->counter = (i)) 17#define atomic_set(v,i) ((v)->counter = (i))
18 18
19#if defined(CONFIG_GUSA_RB) 19#if defined(CONFIG_GUSA_RB)
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h
index 55f9fec082d4..de2359533994 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-register.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h
@@ -76,7 +76,7 @@ enum {
76} 76}
77 77
78#define TS_INDEX2VAL(i) ((((i) & 3) << CHCR_TS_LOW_SHIFT) | \ 78#define TS_INDEX2VAL(i) ((((i) & 3) << CHCR_TS_LOW_SHIFT) | \
79 ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT)) 79 (((i) & 0xc) << CHCR_TS_HIGH_SHIFT))
80 80
81#else /* CONFIG_CPU_SH4A */ 81#else /* CONFIG_CPU_SH4A */
82 82
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index f0d343c3b956..7ae128b19d3f 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -25,7 +25,7 @@ extern int atomic_cmpxchg(atomic_t *, int, int);
25extern int atomic_add_unless(atomic_t *, int, int); 25extern int atomic_add_unless(atomic_t *, int, int);
26extern void atomic_set(atomic_t *, int); 26extern void atomic_set(atomic_t *, int);
27 27
28#define atomic_read(v) ((v)->counter) 28#define atomic_read(v) (*(volatile int *)&(v)->counter)
29 29
30#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v))) 30#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
31#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v))) 31#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index f2e48009989e..2050ca02c423 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -13,8 +13,8 @@
13#define ATOMIC_INIT(i) { (i) } 13#define ATOMIC_INIT(i) { (i) }
14#define ATOMIC64_INIT(i) { (i) } 14#define ATOMIC64_INIT(i) { (i) }
15 15
16#define atomic_read(v) ((v)->counter) 16#define atomic_read(v) (*(volatile int *)&(v)->counter)
17#define atomic64_read(v) ((v)->counter) 17#define atomic64_read(v) (*(volatile long *)&(v)->counter)
18 18
19#define atomic_set(v, i) (((v)->counter) = i) 19#define atomic_set(v, i) (((v)->counter) = i)
20#define atomic64_set(v, i) (((v)->counter) = i) 20#define atomic64_set(v, i) (((v)->counter) = i)
diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
index e72ac9cdfb98..766121a67a24 100644
--- a/arch/sparc/include/asm/bitops_64.h
+++ b/arch/sparc/include/asm/bitops_64.h
@@ -44,7 +44,7 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr);
44 44
45#ifdef ULTRA_HAS_POPULATION_COUNT 45#ifdef ULTRA_HAS_POPULATION_COUNT
46 46
47static inline unsigned int hweight64(unsigned long w) 47static inline unsigned int __arch_hweight64(unsigned long w)
48{ 48{
49 unsigned int res; 49 unsigned int res;
50 50
@@ -52,7 +52,7 @@ static inline unsigned int hweight64(unsigned long w)
52 return res; 52 return res;
53} 53}
54 54
55static inline unsigned int hweight32(unsigned int w) 55static inline unsigned int __arch_hweight32(unsigned int w)
56{ 56{
57 unsigned int res; 57 unsigned int res;
58 58
@@ -60,7 +60,7 @@ static inline unsigned int hweight32(unsigned int w)
60 return res; 60 return res;
61} 61}
62 62
63static inline unsigned int hweight16(unsigned int w) 63static inline unsigned int __arch_hweight16(unsigned int w)
64{ 64{
65 unsigned int res; 65 unsigned int res;
66 66
@@ -68,7 +68,7 @@ static inline unsigned int hweight16(unsigned int w)
68 return res; 68 return res;
69} 69}
70 70
71static inline unsigned int hweight8(unsigned int w) 71static inline unsigned int __arch_hweight8(unsigned int w)
72{ 72{
73 unsigned int res; 73 unsigned int res;
74 74
@@ -78,9 +78,10 @@ static inline unsigned int hweight8(unsigned int w)
78 78
79#else 79#else
80 80
81#include <asm-generic/bitops/hweight.h> 81#include <asm-generic/bitops/arch_hweight.h>
82 82
83#endif 83#endif
84#include <asm-generic/bitops/const_hweight.h>
84#include <asm-generic/bitops/lock.h> 85#include <asm-generic/bitops/lock.h>
85#endif /* __KERNEL__ */ 86#endif /* __KERNEL__ */
86 87
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index e2771939341d..cf4ce263ff81 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -91,6 +91,8 @@ struct cpu_hw_events {
91 91
92 /* Enabled/disable state. */ 92 /* Enabled/disable state. */
93 int enabled; 93 int enabled;
94
95 unsigned int group_flag;
94}; 96};
95DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, }; 97DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
96 98
@@ -980,53 +982,6 @@ static int collect_events(struct perf_event *group, int max_count,
980 return n; 982 return n;
981} 983}
982 984
983static void event_sched_in(struct perf_event *event)
984{
985 event->state = PERF_EVENT_STATE_ACTIVE;
986 event->oncpu = smp_processor_id();
987 event->tstamp_running += event->ctx->time - event->tstamp_stopped;
988 if (is_software_event(event))
989 event->pmu->enable(event);
990}
991
992int hw_perf_group_sched_in(struct perf_event *group_leader,
993 struct perf_cpu_context *cpuctx,
994 struct perf_event_context *ctx)
995{
996 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
997 struct perf_event *sub;
998 int n0, n;
999
1000 if (!sparc_pmu)
1001 return 0;
1002
1003 n0 = cpuc->n_events;
1004 n = collect_events(group_leader, perf_max_events - n0,
1005 &cpuc->event[n0], &cpuc->events[n0],
1006 &cpuc->current_idx[n0]);
1007 if (n < 0)
1008 return -EAGAIN;
1009 if (check_excludes(cpuc->event, n0, n))
1010 return -EINVAL;
1011 if (sparc_check_constraints(cpuc->event, cpuc->events, n + n0))
1012 return -EAGAIN;
1013 cpuc->n_events = n0 + n;
1014 cpuc->n_added += n;
1015
1016 cpuctx->active_oncpu += n;
1017 n = 1;
1018 event_sched_in(group_leader);
1019 list_for_each_entry(sub, &group_leader->sibling_list, group_entry) {
1020 if (sub->state != PERF_EVENT_STATE_OFF) {
1021 event_sched_in(sub);
1022 n++;
1023 }
1024 }
1025 ctx->nr_active += n;
1026
1027 return 1;
1028}
1029
1030static int sparc_pmu_enable(struct perf_event *event) 985static int sparc_pmu_enable(struct perf_event *event)
1031{ 986{
1032 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); 987 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
@@ -1044,11 +999,20 @@ static int sparc_pmu_enable(struct perf_event *event)
1044 cpuc->events[n0] = event->hw.event_base; 999 cpuc->events[n0] = event->hw.event_base;
1045 cpuc->current_idx[n0] = PIC_NO_INDEX; 1000 cpuc->current_idx[n0] = PIC_NO_INDEX;
1046 1001
1002 /*
1003 * If group events scheduling transaction was started,
1004 * skip the schedulability test here, it will be peformed
1005 * at commit time(->commit_txn) as a whole
1006 */
1007 if (cpuc->group_flag & PERF_EVENT_TXN_STARTED)
1008 goto nocheck;
1009
1047 if (check_excludes(cpuc->event, n0, 1)) 1010 if (check_excludes(cpuc->event, n0, 1))
1048 goto out; 1011 goto out;
1049 if (sparc_check_constraints(cpuc->event, cpuc->events, n0 + 1)) 1012 if (sparc_check_constraints(cpuc->event, cpuc->events, n0 + 1))
1050 goto out; 1013 goto out;
1051 1014
1015nocheck:
1052 cpuc->n_events++; 1016 cpuc->n_events++;
1053 cpuc->n_added++; 1017 cpuc->n_added++;
1054 1018
@@ -1128,11 +1092,61 @@ static int __hw_perf_event_init(struct perf_event *event)
1128 return 0; 1092 return 0;
1129} 1093}
1130 1094
1095/*
1096 * Start group events scheduling transaction
1097 * Set the flag to make pmu::enable() not perform the
1098 * schedulability test, it will be performed at commit time
1099 */
1100static void sparc_pmu_start_txn(const struct pmu *pmu)
1101{
1102 struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
1103
1104 cpuhw->group_flag |= PERF_EVENT_TXN_STARTED;
1105}
1106
1107/*
1108 * Stop group events scheduling transaction
1109 * Clear the flag and pmu::enable() will perform the
1110 * schedulability test.
1111 */
1112static void sparc_pmu_cancel_txn(const struct pmu *pmu)
1113{
1114 struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
1115
1116 cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED;
1117}
1118
1119/*
1120 * Commit group events scheduling transaction
1121 * Perform the group schedulability test as a whole
1122 * Return 0 if success
1123 */
1124static int sparc_pmu_commit_txn(const struct pmu *pmu)
1125{
1126 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
1127 int n;
1128
1129 if (!sparc_pmu)
1130 return -EINVAL;
1131
1132 cpuc = &__get_cpu_var(cpu_hw_events);
1133 n = cpuc->n_events;
1134 if (check_excludes(cpuc->event, 0, n))
1135 return -EINVAL;
1136 if (sparc_check_constraints(cpuc->event, cpuc->events, n))
1137 return -EAGAIN;
1138
1139 return 0;
1140}
1141
1131static const struct pmu pmu = { 1142static const struct pmu pmu = {
1132 .enable = sparc_pmu_enable, 1143 .enable = sparc_pmu_enable,
1133 .disable = sparc_pmu_disable, 1144 .disable = sparc_pmu_disable,
1134 .read = sparc_pmu_read, 1145 .read = sparc_pmu_read,
1135 .unthrottle = sparc_pmu_unthrottle, 1146 .unthrottle = sparc_pmu_unthrottle,
1147 .start_txn = sparc_pmu_start_txn,
1148 .cancel_txn = sparc_pmu_cancel_txn,
1149 .commit_txn = sparc_pmu_commit_txn,
1136}; 1150};
1137 1151
1138const struct pmu *hw_perf_event_init(struct perf_event *event) 1152const struct pmu *hw_perf_event_init(struct perf_event *event)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 01177dcbe261..a2d3a5fbeeda 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -201,20 +201,17 @@ config HAVE_INTEL_TXT
201 201
202# Use the generic interrupt handling code in kernel/irq/: 202# Use the generic interrupt handling code in kernel/irq/:
203config GENERIC_HARDIRQS 203config GENERIC_HARDIRQS
204 bool 204 def_bool y
205 default y
206 205
207config GENERIC_HARDIRQS_NO__DO_IRQ 206config GENERIC_HARDIRQS_NO__DO_IRQ
208 def_bool y 207 def_bool y
209 208
210config GENERIC_IRQ_PROBE 209config GENERIC_IRQ_PROBE
211 bool 210 def_bool y
212 default y
213 211
214config GENERIC_PENDING_IRQ 212config GENERIC_PENDING_IRQ
215 bool 213 def_bool y
216 depends on GENERIC_HARDIRQS && SMP 214 depends on GENERIC_HARDIRQS && SMP
217 default y
218 215
219config USE_GENERIC_SMP_HELPERS 216config USE_GENERIC_SMP_HELPERS
220 def_bool y 217 def_bool y
@@ -229,19 +226,22 @@ config X86_64_SMP
229 depends on X86_64 && SMP 226 depends on X86_64 && SMP
230 227
231config X86_HT 228config X86_HT
232 bool 229 def_bool y
233 depends on SMP 230 depends on SMP
234 default y
235 231
236config X86_TRAMPOLINE 232config X86_TRAMPOLINE
237 bool 233 def_bool y
238 depends on SMP || (64BIT && ACPI_SLEEP) 234 depends on SMP || (64BIT && ACPI_SLEEP)
239 default y
240 235
241config X86_32_LAZY_GS 236config X86_32_LAZY_GS
242 def_bool y 237 def_bool y
243 depends on X86_32 && !CC_STACKPROTECTOR 238 depends on X86_32 && !CC_STACKPROTECTOR
244 239
240config ARCH_HWEIGHT_CFLAGS
241 string
242 default "-fcall-saved-ecx -fcall-saved-edx" if X86_32
243 default "-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" if X86_64
244
245config KTIME_SCALAR 245config KTIME_SCALAR
246 def_bool X86_32 246 def_bool X86_32
247source "init/Kconfig" 247source "init/Kconfig"
@@ -451,7 +451,7 @@ config X86_NUMAQ
451 firmware with - send email to <Martin.Bligh@us.ibm.com>. 451 firmware with - send email to <Martin.Bligh@us.ibm.com>.
452 452
453config X86_SUPPORTS_MEMORY_FAILURE 453config X86_SUPPORTS_MEMORY_FAILURE
454 bool 454 def_bool y
455 # MCE code calls memory_failure(): 455 # MCE code calls memory_failure():
456 depends on X86_MCE 456 depends on X86_MCE
457 # On 32-bit this adds too big of NODES_SHIFT and we run out of page flags: 457 # On 32-bit this adds too big of NODES_SHIFT and we run out of page flags:
@@ -459,7 +459,6 @@ config X86_SUPPORTS_MEMORY_FAILURE
459 # On 32-bit SPARSEMEM adds too big of SECTIONS_WIDTH: 459 # On 32-bit SPARSEMEM adds too big of SECTIONS_WIDTH:
460 depends on X86_64 || !SPARSEMEM 460 depends on X86_64 || !SPARSEMEM
461 select ARCH_SUPPORTS_MEMORY_FAILURE 461 select ARCH_SUPPORTS_MEMORY_FAILURE
462 default y
463 462
464config X86_VISWS 463config X86_VISWS
465 bool "SGI 320/540 (Visual Workstation)" 464 bool "SGI 320/540 (Visual Workstation)"
@@ -574,7 +573,6 @@ config PARAVIRT_SPINLOCKS
574 573
575config PARAVIRT_CLOCK 574config PARAVIRT_CLOCK
576 bool 575 bool
577 default n
578 576
579endif 577endif
580 578
@@ -753,7 +751,6 @@ config MAXSMP
753 bool "Configure Maximum number of SMP Processors and NUMA Nodes" 751 bool "Configure Maximum number of SMP Processors and NUMA Nodes"
754 depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL 752 depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
755 select CPUMASK_OFFSTACK 753 select CPUMASK_OFFSTACK
756 default n
757 ---help--- 754 ---help---
758 Configure maximum number of CPUS and NUMA Nodes for this architecture. 755 Configure maximum number of CPUS and NUMA Nodes for this architecture.
759 If unsure, say N. 756 If unsure, say N.
@@ -833,7 +830,6 @@ config X86_VISWS_APIC
833 830
834config X86_REROUTE_FOR_BROKEN_BOOT_IRQS 831config X86_REROUTE_FOR_BROKEN_BOOT_IRQS
835 bool "Reroute for broken boot IRQs" 832 bool "Reroute for broken boot IRQs"
836 default n
837 depends on X86_IO_APIC 833 depends on X86_IO_APIC
838 ---help--- 834 ---help---
839 This option enables a workaround that fixes a source of 835 This option enables a workaround that fixes a source of
@@ -880,9 +876,8 @@ config X86_MCE_AMD
880 the DRAM Error Threshold. 876 the DRAM Error Threshold.
881 877
882config X86_ANCIENT_MCE 878config X86_ANCIENT_MCE
883 def_bool n 879 bool "Support for old Pentium 5 / WinChip machine checks"
884 depends on X86_32 && X86_MCE 880 depends on X86_32 && X86_MCE
885 prompt "Support for old Pentium 5 / WinChip machine checks"
886 ---help--- 881 ---help---
887 Include support for machine check handling on old Pentium 5 or WinChip 882 Include support for machine check handling on old Pentium 5 or WinChip
888 systems. These typically need to be enabled explicitely on the command 883 systems. These typically need to be enabled explicitely on the command
@@ -890,8 +885,7 @@ config X86_ANCIENT_MCE
890 885
891config X86_MCE_THRESHOLD 886config X86_MCE_THRESHOLD
892 depends on X86_MCE_AMD || X86_MCE_INTEL 887 depends on X86_MCE_AMD || X86_MCE_INTEL
893 bool 888 def_bool y
894 default y
895 889
896config X86_MCE_INJECT 890config X86_MCE_INJECT
897 depends on X86_MCE 891 depends on X86_MCE
@@ -1030,8 +1024,8 @@ config X86_CPUID
1030 1024
1031choice 1025choice
1032 prompt "High Memory Support" 1026 prompt "High Memory Support"
1033 default HIGHMEM4G if !X86_NUMAQ
1034 default HIGHMEM64G if X86_NUMAQ 1027 default HIGHMEM64G if X86_NUMAQ
1028 default HIGHMEM4G
1035 depends on X86_32 1029 depends on X86_32
1036 1030
1037config NOHIGHMEM 1031config NOHIGHMEM
@@ -1289,7 +1283,7 @@ source "mm/Kconfig"
1289 1283
1290config HIGHPTE 1284config HIGHPTE
1291 bool "Allocate 3rd-level pagetables from highmem" 1285 bool "Allocate 3rd-level pagetables from highmem"
1292 depends on X86_32 && (HIGHMEM4G || HIGHMEM64G) 1286 depends on HIGHMEM
1293 ---help--- 1287 ---help---
1294 The VM uses one page table entry for each page of physical memory. 1288 The VM uses one page table entry for each page of physical memory.
1295 For systems with a lot of RAM, this can be wasteful of precious 1289 For systems with a lot of RAM, this can be wasteful of precious
@@ -1373,8 +1367,7 @@ config MATH_EMULATION
1373 kernel, it won't hurt. 1367 kernel, it won't hurt.
1374 1368
1375config MTRR 1369config MTRR
1376 bool 1370 def_bool y
1377 default y
1378 prompt "MTRR (Memory Type Range Register) support" if EMBEDDED 1371 prompt "MTRR (Memory Type Range Register) support" if EMBEDDED
1379 ---help--- 1372 ---help---
1380 On Intel P6 family processors (Pentium Pro, Pentium II and later) 1373 On Intel P6 family processors (Pentium Pro, Pentium II and later)
@@ -1440,8 +1433,7 @@ config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT
1440 mtrr_spare_reg_nr=N on the kernel command line. 1433 mtrr_spare_reg_nr=N on the kernel command line.
1441 1434
1442config X86_PAT 1435config X86_PAT
1443 bool 1436 def_bool y
1444 default y
1445 prompt "x86 PAT support" if EMBEDDED 1437 prompt "x86 PAT support" if EMBEDDED
1446 depends on MTRR 1438 depends on MTRR
1447 ---help--- 1439 ---help---
@@ -1609,8 +1601,7 @@ config X86_NEED_RELOCS
1609 depends on X86_32 && RELOCATABLE 1601 depends on X86_32 && RELOCATABLE
1610 1602
1611config PHYSICAL_ALIGN 1603config PHYSICAL_ALIGN
1612 hex 1604 hex "Alignment value to which kernel should be aligned" if X86_32
1613 prompt "Alignment value to which kernel should be aligned" if X86_32
1614 default "0x1000000" 1605 default "0x1000000"
1615 range 0x2000 0x1000000 1606 range 0x2000 0x1000000
1616 ---help--- 1607 ---help---
@@ -1657,7 +1648,6 @@ config COMPAT_VDSO
1657 1648
1658config CMDLINE_BOOL 1649config CMDLINE_BOOL
1659 bool "Built-in kernel command line" 1650 bool "Built-in kernel command line"
1660 default n
1661 ---help--- 1651 ---help---
1662 Allow for specifying boot arguments to the kernel at 1652 Allow for specifying boot arguments to the kernel at
1663 build time. On some systems (e.g. embedded ones), it is 1653 build time. On some systems (e.g. embedded ones), it is
@@ -1691,7 +1681,6 @@ config CMDLINE
1691 1681
1692config CMDLINE_OVERRIDE 1682config CMDLINE_OVERRIDE
1693 bool "Built-in command line overrides boot loader arguments" 1683 bool "Built-in command line overrides boot loader arguments"
1694 default n
1695 depends on CMDLINE_BOOL 1684 depends on CMDLINE_BOOL
1696 ---help--- 1685 ---help---
1697 Set this option to 'Y' to have the kernel ignore the boot loader 1686 Set this option to 'Y' to have the kernel ignore the boot loader
@@ -1727,8 +1716,7 @@ source "drivers/acpi/Kconfig"
1727source "drivers/sfi/Kconfig" 1716source "drivers/sfi/Kconfig"
1728 1717
1729config X86_APM_BOOT 1718config X86_APM_BOOT
1730 bool 1719 def_bool y
1731 default y
1732 depends on APM || APM_MODULE 1720 depends on APM || APM_MODULE
1733 1721
1734menuconfig APM 1722menuconfig APM
@@ -1957,8 +1945,7 @@ config DMAR_DEFAULT_ON
1957 experimental. 1945 experimental.
1958 1946
1959config DMAR_BROKEN_GFX_WA 1947config DMAR_BROKEN_GFX_WA
1960 def_bool n 1948 bool "Workaround broken graphics drivers (going away soon)"
1961 prompt "Workaround broken graphics drivers (going away soon)"
1962 depends on DMAR && BROKEN 1949 depends on DMAR && BROKEN
1963 ---help--- 1950 ---help---
1964 Current Graphics drivers tend to use physical address 1951 Current Graphics drivers tend to use physical address
@@ -2056,7 +2043,6 @@ config SCx200HR_TIMER
2056config OLPC 2043config OLPC
2057 bool "One Laptop Per Child support" 2044 bool "One Laptop Per Child support"
2058 select GPIOLIB 2045 select GPIOLIB
2059 default n
2060 ---help--- 2046 ---help---
2061 Add support for detecting the unique features of the OLPC 2047 Add support for detecting the unique features of the OLPC
2062 XO hardware. 2048 XO hardware.
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 918fbb1855cc..2ac9069890cd 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -338,6 +338,10 @@ config X86_F00F_BUG
338 def_bool y 338 def_bool y
339 depends on M586MMX || M586TSC || M586 || M486 || M386 339 depends on M586MMX || M586TSC || M586 || M486 || M386
340 340
341config X86_INVD_BUG
342 def_bool y
343 depends on M486 || M386
344
341config X86_WP_WORKS_OK 345config X86_WP_WORKS_OK
342 def_bool y 346 def_bool y
343 depends on !M386 347 depends on !M386
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index bd58c8abbfbd..75085080b63e 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -45,7 +45,6 @@ config EARLY_PRINTK
45 45
46config EARLY_PRINTK_DBGP 46config EARLY_PRINTK_DBGP
47 bool "Early printk via EHCI debug port" 47 bool "Early printk via EHCI debug port"
48 default n
49 depends on EARLY_PRINTK && PCI 48 depends on EARLY_PRINTK && PCI
50 ---help--- 49 ---help---
51 Write kernel log output directly into the EHCI debug port. 50 Write kernel log output directly into the EHCI debug port.
@@ -76,7 +75,6 @@ config DEBUG_PER_CPU_MAPS
76 bool "Debug access to per_cpu maps" 75 bool "Debug access to per_cpu maps"
77 depends on DEBUG_KERNEL 76 depends on DEBUG_KERNEL
78 depends on SMP 77 depends on SMP
79 default n
80 ---help--- 78 ---help---
81 Say Y to verify that the per_cpu map being accessed has 79 Say Y to verify that the per_cpu map being accessed has
82 been setup. Adds a fair amount of code to kernel memory 80 been setup. Adds a fair amount of code to kernel memory
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 0a43dc515e4c..8aa1b59b9074 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -95,8 +95,9 @@ sp-$(CONFIG_X86_64) := rsp
95cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1) 95cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1)
96# is .cfi_signal_frame supported too? 96# is .cfi_signal_frame supported too?
97cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1) 97cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
98KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) 98cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1)
99KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) 99KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections)
100KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections)
100 101
101LDFLAGS := -m elf_$(UTS_MACHINE) 102LDFLAGS := -m elf_$(UTS_MACHINE)
102 103
diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
index b97f786a48d5..a63a68be1cce 100644
--- a/arch/x86/include/asm/alternative-asm.h
+++ b/arch/x86/include/asm/alternative-asm.h
@@ -6,8 +6,8 @@
6 .macro LOCK_PREFIX 6 .macro LOCK_PREFIX
71: lock 71: lock
8 .section .smp_locks,"a" 8 .section .smp_locks,"a"
9 _ASM_ALIGN 9 .balign 4
10 _ASM_PTR 1b 10 .long 1b - .
11 .previous 11 .previous
12 .endm 12 .endm
13#else 13#else
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index b09ec55650b3..03b6bb5394a0 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -28,20 +28,20 @@
28 */ 28 */
29 29
30#ifdef CONFIG_SMP 30#ifdef CONFIG_SMP
31#define LOCK_PREFIX \ 31#define LOCK_PREFIX_HERE \
32 ".section .smp_locks,\"a\"\n" \ 32 ".section .smp_locks,\"a\"\n" \
33 _ASM_ALIGN "\n" \ 33 ".balign 4\n" \
34 _ASM_PTR "661f\n" /* address */ \ 34 ".long 671f - .\n" /* offset */ \
35 ".previous\n" \ 35 ".previous\n" \
36 "661:\n\tlock; " 36 "671:"
37
38#define LOCK_PREFIX LOCK_PREFIX_HERE "\n\tlock; "
37 39
38#else /* ! CONFIG_SMP */ 40#else /* ! CONFIG_SMP */
41#define LOCK_PREFIX_HERE ""
39#define LOCK_PREFIX "" 42#define LOCK_PREFIX ""
40#endif 43#endif
41 44
42/* This must be included *after* the definition of LOCK_PREFIX */
43#include <asm/cpufeature.h>
44
45struct alt_instr { 45struct alt_instr {
46 u8 *instr; /* original instruction */ 46 u8 *instr; /* original instruction */
47 u8 *replacement; 47 u8 *replacement;
@@ -96,6 +96,12 @@ static inline int alternatives_text_reserved(void *start, void *end)
96 ".previous" 96 ".previous"
97 97
98/* 98/*
99 * This must be included *after* the definition of ALTERNATIVE due to
100 * <asm/arch_hweight.h>
101 */
102#include <asm/cpufeature.h>
103
104/*
99 * Alternative instructions for different CPU types or capabilities. 105 * Alternative instructions for different CPU types or capabilities.
100 * 106 *
101 * This allows to use optimized instructions even on generic binary 107 * This allows to use optimized instructions even on generic binary
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index 86a0ff0aeac7..7014e88bc779 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -174,6 +174,40 @@
174 (~((1ULL << (12 + ((lvl) * 9))) - 1))) 174 (~((1ULL << (12 + ((lvl) * 9))) - 1)))
175#define PM_ALIGNED(lvl, addr) ((PM_MAP_MASK(lvl) & (addr)) == (addr)) 175#define PM_ALIGNED(lvl, addr) ((PM_MAP_MASK(lvl) & (addr)) == (addr))
176 176
177/*
178 * Returns the page table level to use for a given page size
179 * Pagesize is expected to be a power-of-two
180 */
181#define PAGE_SIZE_LEVEL(pagesize) \
182 ((__ffs(pagesize) - 12) / 9)
183/*
184 * Returns the number of ptes to use for a given page size
185 * Pagesize is expected to be a power-of-two
186 */
187#define PAGE_SIZE_PTE_COUNT(pagesize) \
188 (1ULL << ((__ffs(pagesize) - 12) % 9))
189
190/*
191 * Aligns a given io-virtual address to a given page size
192 * Pagesize is expected to be a power-of-two
193 */
194#define PAGE_SIZE_ALIGN(address, pagesize) \
195 ((address) & ~((pagesize) - 1))
196/*
197 * Creates an IOMMU PTE for an address an a given pagesize
198 * The PTE has no permission bits set
199 * Pagesize is expected to be a power-of-two larger than 4096
200 */
201#define PAGE_SIZE_PTE(address, pagesize) \
202 (((address) | ((pagesize) - 1)) & \
203 (~(pagesize >> 1)) & PM_ADDR_MASK)
204
205/*
206 * Takes a PTE value with mode=0x07 and returns the page size it maps
207 */
208#define PTE_PAGE_SIZE(pte) \
209 (1ULL << (1 + ffz(((pte) | 0xfffULL))))
210
177#define IOMMU_PTE_P (1ULL << 0) 211#define IOMMU_PTE_P (1ULL << 0)
178#define IOMMU_PTE_TV (1ULL << 1) 212#define IOMMU_PTE_TV (1ULL << 1)
179#define IOMMU_PTE_U (1ULL << 59) 213#define IOMMU_PTE_U (1ULL << 59)
diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
new file mode 100644
index 000000000000..9686c3d9ff73
--- /dev/null
+++ b/arch/x86/include/asm/arch_hweight.h
@@ -0,0 +1,61 @@
1#ifndef _ASM_X86_HWEIGHT_H
2#define _ASM_X86_HWEIGHT_H
3
4#ifdef CONFIG_64BIT
5/* popcnt %edi, %eax -- redundant REX prefix for alignment */
6#define POPCNT32 ".byte 0xf3,0x40,0x0f,0xb8,0xc7"
7/* popcnt %rdi, %rax */
8#define POPCNT64 ".byte 0xf3,0x48,0x0f,0xb8,0xc7"
9#define REG_IN "D"
10#define REG_OUT "a"
11#else
12/* popcnt %eax, %eax */
13#define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc0"
14#define REG_IN "a"
15#define REG_OUT "a"
16#endif
17
18/*
19 * __sw_hweightXX are called from within the alternatives below
20 * and callee-clobbered registers need to be taken care of. See
21 * ARCH_HWEIGHT_CFLAGS in <arch/x86/Kconfig> for the respective
22 * compiler switches.
23 */
24static inline unsigned int __arch_hweight32(unsigned int w)
25{
26 unsigned int res = 0;
27
28 asm (ALTERNATIVE("call __sw_hweight32", POPCNT32, X86_FEATURE_POPCNT)
29 : "="REG_OUT (res)
30 : REG_IN (w));
31
32 return res;
33}
34
35static inline unsigned int __arch_hweight16(unsigned int w)
36{
37 return __arch_hweight32(w & 0xffff);
38}
39
40static inline unsigned int __arch_hweight8(unsigned int w)
41{
42 return __arch_hweight32(w & 0xff);
43}
44
45static inline unsigned long __arch_hweight64(__u64 w)
46{
47 unsigned long res = 0;
48
49#ifdef CONFIG_X86_32
50 return __arch_hweight32((u32)w) +
51 __arch_hweight32((u32)(w >> 32));
52#else
53 asm (ALTERNATIVE("call __sw_hweight64", POPCNT64, X86_FEATURE_POPCNT)
54 : "="REG_OUT (res)
55 : REG_IN (w));
56#endif /* CONFIG_X86_32 */
57
58 return res;
59}
60
61#endif
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 8f8217b9bdac..952a826ac4e5 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -22,7 +22,7 @@
22 */ 22 */
23static inline int atomic_read(const atomic_t *v) 23static inline int atomic_read(const atomic_t *v)
24{ 24{
25 return v->counter; 25 return (*(volatile int *)&(v)->counter);
26} 26}
27 27
28/** 28/**
@@ -246,6 +246,29 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
246 246
247#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) 247#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
248 248
249/*
250 * atomic_dec_if_positive - decrement by 1 if old value positive
251 * @v: pointer of type atomic_t
252 *
253 * The function returns the old value of *v minus 1, even if
254 * the atomic variable, v, was not decremented.
255 */
256static inline int atomic_dec_if_positive(atomic_t *v)
257{
258 int c, old, dec;
259 c = atomic_read(v);
260 for (;;) {
261 dec = c - 1;
262 if (unlikely(dec < 0))
263 break;
264 old = atomic_cmpxchg((v), c, dec);
265 if (likely(old == c))
266 break;
267 c = old;
268 }
269 return dec;
270}
271
249/** 272/**
250 * atomic_inc_short - increment of a short integer 273 * atomic_inc_short - increment of a short integer
251 * @v: pointer to type int 274 * @v: pointer to type int
diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
index 03027bf28de5..2a934aa19a43 100644
--- a/arch/x86/include/asm/atomic64_32.h
+++ b/arch/x86/include/asm/atomic64_32.h
@@ -14,109 +14,193 @@ typedef struct {
14 14
15#define ATOMIC64_INIT(val) { (val) } 15#define ATOMIC64_INIT(val) { (val) }
16 16
17extern u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old_val, u64 new_val); 17#ifdef CONFIG_X86_CMPXCHG64
18#define ATOMIC64_ALTERNATIVE_(f, g) "call atomic64_" #g "_cx8"
19#else
20#define ATOMIC64_ALTERNATIVE_(f, g) ALTERNATIVE("call atomic64_" #f "_386", "call atomic64_" #g "_cx8", X86_FEATURE_CX8)
21#endif
22
23#define ATOMIC64_ALTERNATIVE(f) ATOMIC64_ALTERNATIVE_(f, f)
24
25/**
26 * atomic64_cmpxchg - cmpxchg atomic64 variable
27 * @p: pointer to type atomic64_t
28 * @o: expected value
29 * @n: new value
30 *
31 * Atomically sets @v to @n if it was equal to @o and returns
32 * the old value.
33 */
34
35static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n)
36{
37 return cmpxchg64(&v->counter, o, n);
38}
18 39
19/** 40/**
20 * atomic64_xchg - xchg atomic64 variable 41 * atomic64_xchg - xchg atomic64 variable
21 * @ptr: pointer to type atomic64_t 42 * @v: pointer to type atomic64_t
22 * @new_val: value to assign 43 * @n: value to assign
23 * 44 *
24 * Atomically xchgs the value of @ptr to @new_val and returns 45 * Atomically xchgs the value of @v to @n and returns
25 * the old value. 46 * the old value.
26 */ 47 */
27extern u64 atomic64_xchg(atomic64_t *ptr, u64 new_val); 48static inline long long atomic64_xchg(atomic64_t *v, long long n)
49{
50 long long o;
51 unsigned high = (unsigned)(n >> 32);
52 unsigned low = (unsigned)n;
53 asm volatile(ATOMIC64_ALTERNATIVE(xchg)
54 : "=A" (o), "+b" (low), "+c" (high)
55 : "S" (v)
56 : "memory"
57 );
58 return o;
59}
28 60
29/** 61/**
30 * atomic64_set - set atomic64 variable 62 * atomic64_set - set atomic64 variable
31 * @ptr: pointer to type atomic64_t 63 * @v: pointer to type atomic64_t
32 * @new_val: value to assign 64 * @n: value to assign
33 * 65 *
34 * Atomically sets the value of @ptr to @new_val. 66 * Atomically sets the value of @v to @n.
35 */ 67 */
36extern void atomic64_set(atomic64_t *ptr, u64 new_val); 68static inline void atomic64_set(atomic64_t *v, long long i)
69{
70 unsigned high = (unsigned)(i >> 32);
71 unsigned low = (unsigned)i;
72 asm volatile(ATOMIC64_ALTERNATIVE(set)
73 : "+b" (low), "+c" (high)
74 : "S" (v)
75 : "eax", "edx", "memory"
76 );
77}
37 78
38/** 79/**
39 * atomic64_read - read atomic64 variable 80 * atomic64_read - read atomic64 variable
40 * @ptr: pointer to type atomic64_t 81 * @v: pointer to type atomic64_t
41 * 82 *
42 * Atomically reads the value of @ptr and returns it. 83 * Atomically reads the value of @v and returns it.
43 */ 84 */
44static inline u64 atomic64_read(atomic64_t *ptr) 85static inline long long atomic64_read(atomic64_t *v)
45{ 86{
46 u64 res; 87 long long r;
47 88 asm volatile(ATOMIC64_ALTERNATIVE(read)
48 /* 89 : "=A" (r), "+c" (v)
49 * Note, we inline this atomic64_t primitive because 90 : : "memory"
50 * it only clobbers EAX/EDX and leaves the others 91 );
51 * untouched. We also (somewhat subtly) rely on the 92 return r;
52 * fact that cmpxchg8b returns the current 64-bit value 93 }
53 * of the memory location we are touching:
54 */
55 asm volatile(
56 "mov %%ebx, %%eax\n\t"
57 "mov %%ecx, %%edx\n\t"
58 LOCK_PREFIX "cmpxchg8b %1\n"
59 : "=&A" (res)
60 : "m" (*ptr)
61 );
62
63 return res;
64}
65
66extern u64 atomic64_read(atomic64_t *ptr);
67 94
68/** 95/**
69 * atomic64_add_return - add and return 96 * atomic64_add_return - add and return
70 * @delta: integer value to add 97 * @i: integer value to add
71 * @ptr: pointer to type atomic64_t 98 * @v: pointer to type atomic64_t
72 * 99 *
73 * Atomically adds @delta to @ptr and returns @delta + *@ptr 100 * Atomically adds @i to @v and returns @i + *@v
74 */ 101 */
75extern u64 atomic64_add_return(u64 delta, atomic64_t *ptr); 102static inline long long atomic64_add_return(long long i, atomic64_t *v)
103{
104 asm volatile(ATOMIC64_ALTERNATIVE(add_return)
105 : "+A" (i), "+c" (v)
106 : : "memory"
107 );
108 return i;
109}
76 110
77/* 111/*
78 * Other variants with different arithmetic operators: 112 * Other variants with different arithmetic operators:
79 */ 113 */
80extern u64 atomic64_sub_return(u64 delta, atomic64_t *ptr); 114static inline long long atomic64_sub_return(long long i, atomic64_t *v)
81extern u64 atomic64_inc_return(atomic64_t *ptr); 115{
82extern u64 atomic64_dec_return(atomic64_t *ptr); 116 asm volatile(ATOMIC64_ALTERNATIVE(sub_return)
117 : "+A" (i), "+c" (v)
118 : : "memory"
119 );
120 return i;
121}
122
123static inline long long atomic64_inc_return(atomic64_t *v)
124{
125 long long a;
126 asm volatile(ATOMIC64_ALTERNATIVE(inc_return)
127 : "=A" (a)
128 : "S" (v)
129 : "memory", "ecx"
130 );
131 return a;
132}
133
134static inline long long atomic64_dec_return(atomic64_t *v)
135{
136 long long a;
137 asm volatile(ATOMIC64_ALTERNATIVE(dec_return)
138 : "=A" (a)
139 : "S" (v)
140 : "memory", "ecx"
141 );
142 return a;
143}
83 144
84/** 145/**
85 * atomic64_add - add integer to atomic64 variable 146 * atomic64_add - add integer to atomic64 variable
86 * @delta: integer value to add 147 * @i: integer value to add
87 * @ptr: pointer to type atomic64_t 148 * @v: pointer to type atomic64_t
88 * 149 *
89 * Atomically adds @delta to @ptr. 150 * Atomically adds @i to @v.
90 */ 151 */
91extern void atomic64_add(u64 delta, atomic64_t *ptr); 152static inline long long atomic64_add(long long i, atomic64_t *v)
153{
154 asm volatile(ATOMIC64_ALTERNATIVE_(add, add_return)
155 : "+A" (i), "+c" (v)
156 : : "memory"
157 );
158 return i;
159}
92 160
93/** 161/**
94 * atomic64_sub - subtract the atomic64 variable 162 * atomic64_sub - subtract the atomic64 variable
95 * @delta: integer value to subtract 163 * @i: integer value to subtract
96 * @ptr: pointer to type atomic64_t 164 * @v: pointer to type atomic64_t
97 * 165 *
98 * Atomically subtracts @delta from @ptr. 166 * Atomically subtracts @i from @v.
99 */ 167 */
100extern void atomic64_sub(u64 delta, atomic64_t *ptr); 168static inline long long atomic64_sub(long long i, atomic64_t *v)
169{
170 asm volatile(ATOMIC64_ALTERNATIVE_(sub, sub_return)
171 : "+A" (i), "+c" (v)
172 : : "memory"
173 );
174 return i;
175}
101 176
102/** 177/**
103 * atomic64_sub_and_test - subtract value from variable and test result 178 * atomic64_sub_and_test - subtract value from variable and test result
104 * @delta: integer value to subtract 179 * @i: integer value to subtract
105 * @ptr: pointer to type atomic64_t 180 * @v: pointer to type atomic64_t
106 * 181 *
107 * Atomically subtracts @delta from @ptr and returns 182 * Atomically subtracts @i from @v and returns
108 * true if the result is zero, or false for all 183 * true if the result is zero, or false for all
109 * other cases. 184 * other cases.
110 */ 185 */
111extern int atomic64_sub_and_test(u64 delta, atomic64_t *ptr); 186static inline int atomic64_sub_and_test(long long i, atomic64_t *v)
187{
188 return atomic64_sub_return(i, v) == 0;
189}
112 190
113/** 191/**
114 * atomic64_inc - increment atomic64 variable 192 * atomic64_inc - increment atomic64 variable
115 * @ptr: pointer to type atomic64_t 193 * @v: pointer to type atomic64_t
116 * 194 *
117 * Atomically increments @ptr by 1. 195 * Atomically increments @v by 1.
118 */ 196 */
119extern void atomic64_inc(atomic64_t *ptr); 197static inline void atomic64_inc(atomic64_t *v)
198{
199 asm volatile(ATOMIC64_ALTERNATIVE_(inc, inc_return)
200 : : "S" (v)
201 : "memory", "eax", "ecx", "edx"
202 );
203}
120 204
121/** 205/**
122 * atomic64_dec - decrement atomic64 variable 206 * atomic64_dec - decrement atomic64 variable
@@ -124,37 +208,97 @@ extern void atomic64_inc(atomic64_t *ptr);
124 * 208 *
125 * Atomically decrements @ptr by 1. 209 * Atomically decrements @ptr by 1.
126 */ 210 */
127extern void atomic64_dec(atomic64_t *ptr); 211static inline void atomic64_dec(atomic64_t *v)
212{
213 asm volatile(ATOMIC64_ALTERNATIVE_(dec, dec_return)
214 : : "S" (v)
215 : "memory", "eax", "ecx", "edx"
216 );
217}
128 218
129/** 219/**
130 * atomic64_dec_and_test - decrement and test 220 * atomic64_dec_and_test - decrement and test
131 * @ptr: pointer to type atomic64_t 221 * @v: pointer to type atomic64_t
132 * 222 *
133 * Atomically decrements @ptr by 1 and 223 * Atomically decrements @v by 1 and
134 * returns true if the result is 0, or false for all other 224 * returns true if the result is 0, or false for all other
135 * cases. 225 * cases.
136 */ 226 */
137extern int atomic64_dec_and_test(atomic64_t *ptr); 227static inline int atomic64_dec_and_test(atomic64_t *v)
228{
229 return atomic64_dec_return(v) == 0;
230}
138 231
139/** 232/**
140 * atomic64_inc_and_test - increment and test 233 * atomic64_inc_and_test - increment and test
141 * @ptr: pointer to type atomic64_t 234 * @v: pointer to type atomic64_t
142 * 235 *
143 * Atomically increments @ptr by 1 236 * Atomically increments @v by 1
144 * and returns true if the result is zero, or false for all 237 * and returns true if the result is zero, or false for all
145 * other cases. 238 * other cases.
146 */ 239 */
147extern int atomic64_inc_and_test(atomic64_t *ptr); 240static inline int atomic64_inc_and_test(atomic64_t *v)
241{
242 return atomic64_inc_return(v) == 0;
243}
148 244
149/** 245/**
150 * atomic64_add_negative - add and test if negative 246 * atomic64_add_negative - add and test if negative
151 * @delta: integer value to add 247 * @i: integer value to add
152 * @ptr: pointer to type atomic64_t 248 * @v: pointer to type atomic64_t
153 * 249 *
154 * Atomically adds @delta to @ptr and returns true 250 * Atomically adds @i to @v and returns true
155 * if the result is negative, or false when 251 * if the result is negative, or false when
156 * result is greater than or equal to zero. 252 * result is greater than or equal to zero.
157 */ 253 */
158extern int atomic64_add_negative(u64 delta, atomic64_t *ptr); 254static inline int atomic64_add_negative(long long i, atomic64_t *v)
255{
256 return atomic64_add_return(i, v) < 0;
257}
258
259/**
260 * atomic64_add_unless - add unless the number is a given value
261 * @v: pointer of type atomic64_t
262 * @a: the amount to add to v...
263 * @u: ...unless v is equal to u.
264 *
265 * Atomically adds @a to @v, so long as it was not @u.
266 * Returns non-zero if @v was not @u, and zero otherwise.
267 */
268static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
269{
270 unsigned low = (unsigned)u;
271 unsigned high = (unsigned)(u >> 32);
272 asm volatile(ATOMIC64_ALTERNATIVE(add_unless) "\n\t"
273 : "+A" (a), "+c" (v), "+S" (low), "+D" (high)
274 : : "memory");
275 return (int)a;
276}
277
278
279static inline int atomic64_inc_not_zero(atomic64_t *v)
280{
281 int r;
282 asm volatile(ATOMIC64_ALTERNATIVE(inc_not_zero)
283 : "=a" (r)
284 : "S" (v)
285 : "ecx", "edx", "memory"
286 );
287 return r;
288}
289
290static inline long long atomic64_dec_if_positive(atomic64_t *v)
291{
292 long long r;
293 asm volatile(ATOMIC64_ALTERNATIVE(dec_if_positive)
294 : "=A" (r)
295 : "S" (v)
296 : "ecx", "memory"
297 );
298 return r;
299}
300
301#undef ATOMIC64_ALTERNATIVE
302#undef ATOMIC64_ALTERNATIVE_
159 303
160#endif /* _ASM_X86_ATOMIC64_32_H */ 304#endif /* _ASM_X86_ATOMIC64_32_H */
diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
index 51c5b4056929..49fd1ea22951 100644
--- a/arch/x86/include/asm/atomic64_64.h
+++ b/arch/x86/include/asm/atomic64_64.h
@@ -18,7 +18,7 @@
18 */ 18 */
19static inline long atomic64_read(const atomic64_t *v) 19static inline long atomic64_read(const atomic64_t *v)
20{ 20{
21 return v->counter; 21 return (*(volatile long *)&(v)->counter);
22} 22}
23 23
24/** 24/**
@@ -221,4 +221,27 @@ static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
221 221
222#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) 222#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
223 223
224/*
225 * atomic64_dec_if_positive - decrement by 1 if old value positive
226 * @v: pointer of type atomic_t
227 *
228 * The function returns the old value of *v minus 1, even if
229 * the atomic variable, v, was not decremented.
230 */
231static inline long atomic64_dec_if_positive(atomic64_t *v)
232{
233 long c, old, dec;
234 c = atomic64_read(v);
235 for (;;) {
236 dec = c - 1;
237 if (unlikely(dec < 0))
238 break;
239 old = atomic64_cmpxchg((v), c, dec);
240 if (likely(old == c))
241 break;
242 c = old;
243 }
244 return dec;
245}
246
224#endif /* _ASM_X86_ATOMIC64_64_H */ 247#endif /* _ASM_X86_ATOMIC64_64_H */
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 02b47a603fc8..545776efeb16 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -444,7 +444,9 @@ static inline int fls(int x)
444 444
445#define ARCH_HAS_FAST_MULTIPLIER 1 445#define ARCH_HAS_FAST_MULTIPLIER 1
446 446
447#include <asm-generic/bitops/hweight.h> 447#include <asm/arch_hweight.h>
448
449#include <asm-generic/bitops/const_hweight.h>
448 450
449#endif /* __KERNEL__ */ 451#endif /* __KERNEL__ */
450 452
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index 7a1065958ba9..3b62ab56c7a0 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -24,7 +24,7 @@
24#define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2) 24#define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)
25 25
26#if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \ 26#if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \
27 (CONFIG_PHYSICAL_ALIGN < (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)) 27 (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN)
28#error "Invalid value for CONFIG_PHYSICAL_ALIGN" 28#error "Invalid value for CONFIG_PHYSICAL_ALIGN"
29#endif 29#endif
30 30
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 634c40a739a6..c70068d05f70 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -44,9 +44,6 @@ static inline void copy_from_user_page(struct vm_area_struct *vma,
44 memcpy(dst, src, len); 44 memcpy(dst, src, len);
45} 45}
46 46
47#define PG_WC PG_arch_1
48PAGEFLAG(WC, WC)
49
50#ifdef CONFIG_X86_PAT 47#ifdef CONFIG_X86_PAT
51/* 48/*
52 * X86 PAT uses page flags WC and Uncached together to keep track of 49 * X86 PAT uses page flags WC and Uncached together to keep track of
@@ -55,16 +52,24 @@ PAGEFLAG(WC, WC)
55 * _PAGE_CACHE_UC_MINUS and fourth state where page's memory type has not 52 * _PAGE_CACHE_UC_MINUS and fourth state where page's memory type has not
56 * been changed from its default (value of -1 used to denote this). 53 * been changed from its default (value of -1 used to denote this).
57 * Note we do not support _PAGE_CACHE_UC here. 54 * Note we do not support _PAGE_CACHE_UC here.
58 *
59 * Caller must hold memtype_lock for atomicity.
60 */ 55 */
56
57#define _PGMT_DEFAULT 0
58#define _PGMT_WC (1UL << PG_arch_1)
59#define _PGMT_UC_MINUS (1UL << PG_uncached)
60#define _PGMT_WB (1UL << PG_uncached | 1UL << PG_arch_1)
61#define _PGMT_MASK (1UL << PG_uncached | 1UL << PG_arch_1)
62#define _PGMT_CLEAR_MASK (~_PGMT_MASK)
63
61static inline unsigned long get_page_memtype(struct page *pg) 64static inline unsigned long get_page_memtype(struct page *pg)
62{ 65{
63 if (!PageUncached(pg) && !PageWC(pg)) 66 unsigned long pg_flags = pg->flags & _PGMT_MASK;
67
68 if (pg_flags == _PGMT_DEFAULT)
64 return -1; 69 return -1;
65 else if (!PageUncached(pg) && PageWC(pg)) 70 else if (pg_flags == _PGMT_WC)
66 return _PAGE_CACHE_WC; 71 return _PAGE_CACHE_WC;
67 else if (PageUncached(pg) && !PageWC(pg)) 72 else if (pg_flags == _PGMT_UC_MINUS)
68 return _PAGE_CACHE_UC_MINUS; 73 return _PAGE_CACHE_UC_MINUS;
69 else 74 else
70 return _PAGE_CACHE_WB; 75 return _PAGE_CACHE_WB;
@@ -72,25 +77,26 @@ static inline unsigned long get_page_memtype(struct page *pg)
72 77
73static inline void set_page_memtype(struct page *pg, unsigned long memtype) 78static inline void set_page_memtype(struct page *pg, unsigned long memtype)
74{ 79{
80 unsigned long memtype_flags = _PGMT_DEFAULT;
81 unsigned long old_flags;
82 unsigned long new_flags;
83
75 switch (memtype) { 84 switch (memtype) {
76 case _PAGE_CACHE_WC: 85 case _PAGE_CACHE_WC:
77 ClearPageUncached(pg); 86 memtype_flags = _PGMT_WC;
78 SetPageWC(pg);
79 break; 87 break;
80 case _PAGE_CACHE_UC_MINUS: 88 case _PAGE_CACHE_UC_MINUS:
81 SetPageUncached(pg); 89 memtype_flags = _PGMT_UC_MINUS;
82 ClearPageWC(pg);
83 break; 90 break;
84 case _PAGE_CACHE_WB: 91 case _PAGE_CACHE_WB:
85 SetPageUncached(pg); 92 memtype_flags = _PGMT_WB;
86 SetPageWC(pg);
87 break;
88 default:
89 case -1:
90 ClearPageUncached(pg);
91 ClearPageWC(pg);
92 break; 93 break;
93 } 94 }
95
96 do {
97 old_flags = pg->flags;
98 new_flags = (old_flags & _PGMT_CLEAR_MASK) | memtype_flags;
99 } while (cmpxchg(&pg->flags, old_flags, new_flags) != old_flags);
94} 100}
95#else 101#else
96static inline unsigned long get_page_memtype(struct page *pg) { return -1; } 102static inline unsigned long get_page_memtype(struct page *pg) { return -1; }
diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
index ffb9bb6b6c37..8859e12dd3cf 100644
--- a/arch/x86/include/asm/cmpxchg_32.h
+++ b/arch/x86/include/asm/cmpxchg_32.h
@@ -271,7 +271,8 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
271 __typeof__(*(ptr)) __ret; \ 271 __typeof__(*(ptr)) __ret; \
272 __typeof__(*(ptr)) __old = (o); \ 272 __typeof__(*(ptr)) __old = (o); \
273 __typeof__(*(ptr)) __new = (n); \ 273 __typeof__(*(ptr)) __new = (n); \
274 alternative_io("call cmpxchg8b_emu", \ 274 alternative_io(LOCK_PREFIX_HERE \
275 "call cmpxchg8b_emu", \
275 "lock; cmpxchg8b (%%esi)" , \ 276 "lock; cmpxchg8b (%%esi)" , \
276 X86_FEATURE_CX8, \ 277 X86_FEATURE_CX8, \
277 "=A" (__ret), \ 278 "=A" (__ret), \
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 0cd82d068613..dca9c545f44e 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -161,6 +161,7 @@
161 */ 161 */
162#define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */ 162#define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */
163#define X86_FEATURE_ARAT (7*32+ 1) /* Always Running APIC Timer */ 163#define X86_FEATURE_ARAT (7*32+ 1) /* Always Running APIC Timer */
164#define X86_FEATURE_CPB (7*32+ 2) /* AMD Core Performance Boost */
164 165
165/* Virtualization flags: Linux defined */ 166/* Virtualization flags: Linux defined */
166#define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */ 167#define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */
@@ -175,6 +176,7 @@
175 176
176#if defined(__KERNEL__) && !defined(__ASSEMBLY__) 177#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
177 178
179#include <asm/asm.h>
178#include <linux/bitops.h> 180#include <linux/bitops.h>
179 181
180extern const char * const x86_cap_flags[NCAPINTS*32]; 182extern const char * const x86_cap_flags[NCAPINTS*32];
@@ -283,6 +285,62 @@ extern const char * const x86_power_flags[32];
283 285
284#endif /* CONFIG_X86_64 */ 286#endif /* CONFIG_X86_64 */
285 287
288/*
289 * Static testing of CPU features. Used the same as boot_cpu_has().
290 * These are only valid after alternatives have run, but will statically
291 * patch the target code for additional performance.
292 *
293 */
294static __always_inline __pure bool __static_cpu_has(u8 bit)
295{
296#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
297 asm goto("1: jmp %l[t_no]\n"
298 "2:\n"
299 ".section .altinstructions,\"a\"\n"
300 _ASM_ALIGN "\n"
301 _ASM_PTR "1b\n"
302 _ASM_PTR "0\n" /* no replacement */
303 " .byte %P0\n" /* feature bit */
304 " .byte 2b - 1b\n" /* source len */
305 " .byte 0\n" /* replacement len */
306 " .byte 0xff + 0 - (2b-1b)\n" /* padding */
307 ".previous\n"
308 : : "i" (bit) : : t_no);
309 return true;
310 t_no:
311 return false;
312#else
313 u8 flag;
314 /* Open-coded due to __stringify() in ALTERNATIVE() */
315 asm volatile("1: movb $0,%0\n"
316 "2:\n"
317 ".section .altinstructions,\"a\"\n"
318 _ASM_ALIGN "\n"
319 _ASM_PTR "1b\n"
320 _ASM_PTR "3f\n"
321 " .byte %P1\n" /* feature bit */
322 " .byte 2b - 1b\n" /* source len */
323 " .byte 4f - 3f\n" /* replacement len */
324 " .byte 0xff + (4f-3f) - (2b-1b)\n" /* padding */
325 ".previous\n"
326 ".section .altinstr_replacement,\"ax\"\n"
327 "3: movb $1,%0\n"
328 "4:\n"
329 ".previous\n"
330 : "=qm" (flag) : "i" (bit));
331 return flag;
332#endif
333}
334
335#define static_cpu_has(bit) \
336( \
337 __builtin_constant_p(boot_cpu_has(bit)) ? \
338 boot_cpu_has(bit) : \
339 (__builtin_constant_p(bit) && !((bit) & ~0xff)) ? \
340 __static_cpu_has(bit) : \
341 boot_cpu_has(bit) \
342)
343
286#endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ 344#endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
287 345
288#endif /* _ASM_X86_CPUFEATURE_H */ 346#endif /* _ASM_X86_CPUFEATURE_H */
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index ae6253ab9029..733f7e91e7a9 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -34,6 +34,18 @@
34#define CFI_SIGNAL_FRAME 34#define CFI_SIGNAL_FRAME
35#endif 35#endif
36 36
37#if defined(CONFIG_AS_CFI_SECTIONS) && defined(__ASSEMBLY__)
38 /*
39 * Emit CFI data in .debug_frame sections, not .eh_frame sections.
40 * The latter we currently just discard since we don't do DWARF
41 * unwinding at runtime. So only the offline DWARF information is
42 * useful to anyone. Note we should not use this directive if this
43 * file is used in the vDSO assembly, or if vmlinux.lds.S gets
44 * changed so it doesn't discard .eh_frame.
45 */
46 .cfi_sections .debug_frame
47#endif
48
37#else 49#else
38 50
39/* 51/*
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 0e22296790d3..ec8a52d14ab1 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -45,7 +45,12 @@
45#define E820_NVS 4 45#define E820_NVS 4
46#define E820_UNUSABLE 5 46#define E820_UNUSABLE 5
47 47
48/* reserved RAM used by kernel itself */ 48/*
49 * reserved RAM used by kernel itself
50 * if CONFIG_INTEL_TXT is enabled, memory of this type will be
51 * included in the S3 integrity calculation and so should not include
52 * any memory that BIOS might alter over the S3 transition
53 */
49#define E820_RESERVED_KERN 128 54#define E820_RESERVED_KERN 128
50 55
51#ifndef __ASSEMBLY__ 56#ifndef __ASSEMBLY__
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index 0f8576427cfe..aeab29aee617 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -35,7 +35,7 @@ DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
35 35
36#define __ARCH_IRQ_STAT 36#define __ARCH_IRQ_STAT
37 37
38#define inc_irq_stat(member) percpu_add(irq_stat.member, 1) 38#define inc_irq_stat(member) percpu_inc(irq_stat.member)
39 39
40#define local_softirq_pending() percpu_read(irq_stat.__softirq_pending) 40#define local_softirq_pending() percpu_read(irq_stat.__softirq_pending)
41 41
diff --git a/arch/x86/include/asm/hyperv.h b/arch/x86/include/asm/hyperv.h
index e153a2b3889a..5df477ac3af7 100644
--- a/arch/x86/include/asm/hyperv.h
+++ b/arch/x86/include/asm/hyperv.h
@@ -1,5 +1,5 @@
1#ifndef _ASM_X86_KVM_HYPERV_H 1#ifndef _ASM_X86_HYPERV_H
2#define _ASM_X86_KVM_HYPERV_H 2#define _ASM_X86_HYPERV_H
3 3
4#include <linux/types.h> 4#include <linux/types.h>
5 5
@@ -14,6 +14,10 @@
14#define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004 14#define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004
15#define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005 15#define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005
16 16
17#define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000
18#define HYPERV_CPUID_MIN 0x40000005
19#define HYPERV_CPUID_MAX 0x4000ffff
20
17/* 21/*
18 * Feature identification. EAX indicates which features are available 22 * Feature identification. EAX indicates which features are available
19 * to the partition based upon the current partition privileges. 23 * to the partition based upon the current partition privileges.
@@ -129,6 +133,9 @@
129/* MSR used to provide vcpu index */ 133/* MSR used to provide vcpu index */
130#define HV_X64_MSR_VP_INDEX 0x40000002 134#define HV_X64_MSR_VP_INDEX 0x40000002
131 135
136/* MSR used to read the per-partition time reference counter */
137#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
138
132/* Define the virtual APIC registers */ 139/* Define the virtual APIC registers */
133#define HV_X64_MSR_EOI 0x40000070 140#define HV_X64_MSR_EOI 0x40000070
134#define HV_X64_MSR_ICR 0x40000071 141#define HV_X64_MSR_ICR 0x40000071
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index b78c0941e422..70abda7058c8 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -17,10 +17,33 @@
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 * 18 *
19 */ 19 */
20#ifndef ASM_X86__HYPERVISOR_H 20#ifndef _ASM_X86_HYPERVISOR_H
21#define ASM_X86__HYPERVISOR_H 21#define _ASM_X86_HYPERVISOR_H
22 22
23extern void init_hypervisor(struct cpuinfo_x86 *c); 23extern void init_hypervisor(struct cpuinfo_x86 *c);
24extern void init_hypervisor_platform(void); 24extern void init_hypervisor_platform(void);
25 25
26/*
27 * x86 hypervisor information
28 */
29struct hypervisor_x86 {
30 /* Hypervisor name */
31 const char *name;
32
33 /* Detection routine */
34 bool (*detect)(void);
35
36 /* Adjust CPU feature bits (run once per CPU) */
37 void (*set_cpu_features)(struct cpuinfo_x86 *);
38
39 /* Platform setup (run once per boot) */
40 void (*init_platform)(void);
41};
42
43extern const struct hypervisor_x86 *x86_hyper;
44
45/* Recognized hypervisors */
46extern const struct hypervisor_x86 x86_hyper_vmware;
47extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
48
26#endif 49#endif
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index da2930924501..c991b3a7b904 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -16,7 +16,9 @@
16#include <linux/kernel_stat.h> 16#include <linux/kernel_stat.h>
17#include <linux/regset.h> 17#include <linux/regset.h>
18#include <linux/hardirq.h> 18#include <linux/hardirq.h>
19#include <linux/slab.h>
19#include <asm/asm.h> 20#include <asm/asm.h>
21#include <asm/cpufeature.h>
20#include <asm/processor.h> 22#include <asm/processor.h>
21#include <asm/sigcontext.h> 23#include <asm/sigcontext.h>
22#include <asm/user.h> 24#include <asm/user.h>
@@ -56,6 +58,11 @@ extern int restore_i387_xstate_ia32(void __user *buf);
56 58
57#define X87_FSW_ES (1 << 7) /* Exception Summary */ 59#define X87_FSW_ES (1 << 7) /* Exception Summary */
58 60
61static __always_inline __pure bool use_xsave(void)
62{
63 return static_cpu_has(X86_FEATURE_XSAVE);
64}
65
59#ifdef CONFIG_X86_64 66#ifdef CONFIG_X86_64
60 67
61/* Ignore delayed exceptions from user space */ 68/* Ignore delayed exceptions from user space */
@@ -91,15 +98,15 @@ static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
91 values. The kernel data segment can be sometimes 0 and sometimes 98 values. The kernel data segment can be sometimes 0 and sometimes
92 new user value. Both should be ok. 99 new user value. Both should be ok.
93 Use the PDA as safe address because it should be already in L1. */ 100 Use the PDA as safe address because it should be already in L1. */
94static inline void clear_fpu_state(struct task_struct *tsk) 101static inline void fpu_clear(struct fpu *fpu)
95{ 102{
96 struct xsave_struct *xstate = &tsk->thread.xstate->xsave; 103 struct xsave_struct *xstate = &fpu->state->xsave;
97 struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; 104 struct i387_fxsave_struct *fx = &fpu->state->fxsave;
98 105
99 /* 106 /*
100 * xsave header may indicate the init state of the FP. 107 * xsave header may indicate the init state of the FP.
101 */ 108 */
102 if ((task_thread_info(tsk)->status & TS_XSAVE) && 109 if (use_xsave() &&
103 !(xstate->xsave_hdr.xstate_bv & XSTATE_FP)) 110 !(xstate->xsave_hdr.xstate_bv & XSTATE_FP))
104 return; 111 return;
105 112
@@ -111,6 +118,11 @@ static inline void clear_fpu_state(struct task_struct *tsk)
111 X86_FEATURE_FXSAVE_LEAK); 118 X86_FEATURE_FXSAVE_LEAK);
112} 119}
113 120
121static inline void clear_fpu_state(struct task_struct *tsk)
122{
123 fpu_clear(&tsk->thread.fpu);
124}
125
114static inline int fxsave_user(struct i387_fxsave_struct __user *fx) 126static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
115{ 127{
116 int err; 128 int err;
@@ -135,7 +147,7 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
135 return err; 147 return err;
136} 148}
137 149
138static inline void fxsave(struct task_struct *tsk) 150static inline void fpu_fxsave(struct fpu *fpu)
139{ 151{
140 /* Using "rex64; fxsave %0" is broken because, if the memory operand 152 /* Using "rex64; fxsave %0" is broken because, if the memory operand
141 uses any extended registers for addressing, a second REX prefix 153 uses any extended registers for addressing, a second REX prefix
@@ -145,42 +157,45 @@ static inline void fxsave(struct task_struct *tsk)
145 /* Using "fxsaveq %0" would be the ideal choice, but is only supported 157 /* Using "fxsaveq %0" would be the ideal choice, but is only supported
146 starting with gas 2.16. */ 158 starting with gas 2.16. */
147 __asm__ __volatile__("fxsaveq %0" 159 __asm__ __volatile__("fxsaveq %0"
148 : "=m" (tsk->thread.xstate->fxsave)); 160 : "=m" (fpu->state->fxsave));
149#elif 0 161#elif 0
150 /* Using, as a workaround, the properly prefixed form below isn't 162 /* Using, as a workaround, the properly prefixed form below isn't
151 accepted by any binutils version so far released, complaining that 163 accepted by any binutils version so far released, complaining that
152 the same type of prefix is used twice if an extended register is 164 the same type of prefix is used twice if an extended register is
153 needed for addressing (fix submitted to mainline 2005-11-21). */ 165 needed for addressing (fix submitted to mainline 2005-11-21). */
154 __asm__ __volatile__("rex64/fxsave %0" 166 __asm__ __volatile__("rex64/fxsave %0"
155 : "=m" (tsk->thread.xstate->fxsave)); 167 : "=m" (fpu->state->fxsave));
156#else 168#else
157 /* This, however, we can work around by forcing the compiler to select 169 /* This, however, we can work around by forcing the compiler to select
158 an addressing mode that doesn't require extended registers. */ 170 an addressing mode that doesn't require extended registers. */
159 __asm__ __volatile__("rex64/fxsave (%1)" 171 __asm__ __volatile__("rex64/fxsave (%1)"
160 : "=m" (tsk->thread.xstate->fxsave) 172 : "=m" (fpu->state->fxsave)
161 : "cdaSDb" (&tsk->thread.xstate->fxsave)); 173 : "cdaSDb" (&fpu->state->fxsave));
162#endif 174#endif
163} 175}
164 176
165static inline void __save_init_fpu(struct task_struct *tsk) 177static inline void fpu_save_init(struct fpu *fpu)
166{ 178{
167 if (task_thread_info(tsk)->status & TS_XSAVE) 179 if (use_xsave())
168 xsave(tsk); 180 fpu_xsave(fpu);
169 else 181 else
170 fxsave(tsk); 182 fpu_fxsave(fpu);
183
184 fpu_clear(fpu);
185}
171 186
172 clear_fpu_state(tsk); 187static inline void __save_init_fpu(struct task_struct *tsk)
188{
189 fpu_save_init(&tsk->thread.fpu);
173 task_thread_info(tsk)->status &= ~TS_USEDFPU; 190 task_thread_info(tsk)->status &= ~TS_USEDFPU;
174} 191}
175 192
176#else /* CONFIG_X86_32 */ 193#else /* CONFIG_X86_32 */
177 194
178#ifdef CONFIG_MATH_EMULATION 195#ifdef CONFIG_MATH_EMULATION
179extern void finit_task(struct task_struct *tsk); 196extern void finit_soft_fpu(struct i387_soft_struct *soft);
180#else 197#else
181static inline void finit_task(struct task_struct *tsk) 198static inline void finit_soft_fpu(struct i387_soft_struct *soft) {}
182{
183}
184#endif 199#endif
185 200
186static inline void tolerant_fwait(void) 201static inline void tolerant_fwait(void)
@@ -216,13 +231,13 @@ static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
216/* 231/*
217 * These must be called with preempt disabled 232 * These must be called with preempt disabled
218 */ 233 */
219static inline void __save_init_fpu(struct task_struct *tsk) 234static inline void fpu_save_init(struct fpu *fpu)
220{ 235{
221 if (task_thread_info(tsk)->status & TS_XSAVE) { 236 if (use_xsave()) {
222 struct xsave_struct *xstate = &tsk->thread.xstate->xsave; 237 struct xsave_struct *xstate = &fpu->state->xsave;
223 struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; 238 struct i387_fxsave_struct *fx = &fpu->state->fxsave;
224 239
225 xsave(tsk); 240 fpu_xsave(fpu);
226 241
227 /* 242 /*
228 * xsave header may indicate the init state of the FP. 243 * xsave header may indicate the init state of the FP.
@@ -246,8 +261,8 @@ static inline void __save_init_fpu(struct task_struct *tsk)
246 "fxsave %[fx]\n" 261 "fxsave %[fx]\n"
247 "bt $7,%[fsw] ; jnc 1f ; fnclex\n1:", 262 "bt $7,%[fsw] ; jnc 1f ; fnclex\n1:",
248 X86_FEATURE_FXSR, 263 X86_FEATURE_FXSR,
249 [fx] "m" (tsk->thread.xstate->fxsave), 264 [fx] "m" (fpu->state->fxsave),
250 [fsw] "m" (tsk->thread.xstate->fxsave.swd) : "memory"); 265 [fsw] "m" (fpu->state->fxsave.swd) : "memory");
251clear_state: 266clear_state:
252 /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception 267 /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
253 is pending. Clear the x87 state here by setting it to fixed 268 is pending. Clear the x87 state here by setting it to fixed
@@ -259,17 +274,34 @@ clear_state:
259 X86_FEATURE_FXSAVE_LEAK, 274 X86_FEATURE_FXSAVE_LEAK,
260 [addr] "m" (safe_address)); 275 [addr] "m" (safe_address));
261end: 276end:
277 ;
278}
279
280static inline void __save_init_fpu(struct task_struct *tsk)
281{
282 fpu_save_init(&tsk->thread.fpu);
262 task_thread_info(tsk)->status &= ~TS_USEDFPU; 283 task_thread_info(tsk)->status &= ~TS_USEDFPU;
263} 284}
264 285
286
265#endif /* CONFIG_X86_64 */ 287#endif /* CONFIG_X86_64 */
266 288
267static inline int restore_fpu_checking(struct task_struct *tsk) 289static inline int fpu_fxrstor_checking(struct fpu *fpu)
268{ 290{
269 if (task_thread_info(tsk)->status & TS_XSAVE) 291 return fxrstor_checking(&fpu->state->fxsave);
270 return xrstor_checking(&tsk->thread.xstate->xsave); 292}
293
294static inline int fpu_restore_checking(struct fpu *fpu)
295{
296 if (use_xsave())
297 return fpu_xrstor_checking(fpu);
271 else 298 else
272 return fxrstor_checking(&tsk->thread.xstate->fxsave); 299 return fpu_fxrstor_checking(fpu);
300}
301
302static inline int restore_fpu_checking(struct task_struct *tsk)
303{
304 return fpu_restore_checking(&tsk->thread.fpu);
273} 305}
274 306
275/* 307/*
@@ -397,30 +429,59 @@ static inline void clear_fpu(struct task_struct *tsk)
397static inline unsigned short get_fpu_cwd(struct task_struct *tsk) 429static inline unsigned short get_fpu_cwd(struct task_struct *tsk)
398{ 430{
399 if (cpu_has_fxsr) { 431 if (cpu_has_fxsr) {
400 return tsk->thread.xstate->fxsave.cwd; 432 return tsk->thread.fpu.state->fxsave.cwd;
401 } else { 433 } else {
402 return (unsigned short)tsk->thread.xstate->fsave.cwd; 434 return (unsigned short)tsk->thread.fpu.state->fsave.cwd;
403 } 435 }
404} 436}
405 437
406static inline unsigned short get_fpu_swd(struct task_struct *tsk) 438static inline unsigned short get_fpu_swd(struct task_struct *tsk)
407{ 439{
408 if (cpu_has_fxsr) { 440 if (cpu_has_fxsr) {
409 return tsk->thread.xstate->fxsave.swd; 441 return tsk->thread.fpu.state->fxsave.swd;
410 } else { 442 } else {
411 return (unsigned short)tsk->thread.xstate->fsave.swd; 443 return (unsigned short)tsk->thread.fpu.state->fsave.swd;
412 } 444 }
413} 445}
414 446
415static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk) 447static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
416{ 448{
417 if (cpu_has_xmm) { 449 if (cpu_has_xmm) {
418 return tsk->thread.xstate->fxsave.mxcsr; 450 return tsk->thread.fpu.state->fxsave.mxcsr;
419 } else { 451 } else {
420 return MXCSR_DEFAULT; 452 return MXCSR_DEFAULT;
421 } 453 }
422} 454}
423 455
456static bool fpu_allocated(struct fpu *fpu)
457{
458 return fpu->state != NULL;
459}
460
461static inline int fpu_alloc(struct fpu *fpu)
462{
463 if (fpu_allocated(fpu))
464 return 0;
465 fpu->state = kmem_cache_alloc(task_xstate_cachep, GFP_KERNEL);
466 if (!fpu->state)
467 return -ENOMEM;
468 WARN_ON((unsigned long)fpu->state & 15);
469 return 0;
470}
471
472static inline void fpu_free(struct fpu *fpu)
473{
474 if (fpu->state) {
475 kmem_cache_free(task_xstate_cachep, fpu->state);
476 fpu->state = NULL;
477 }
478}
479
480static inline void fpu_copy(struct fpu *dst, struct fpu *src)
481{
482 memcpy(dst->state, src->state, xstate_size);
483}
484
424#endif /* __ASSEMBLY__ */ 485#endif /* __ASSEMBLY__ */
425 486
426#define PSHUFB_XMM5_XMM0 .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 487#define PSHUFB_XMM5_XMM0 .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
diff --git a/arch/x86/include/asm/i8253.h b/arch/x86/include/asm/i8253.h
index 1edbf89680fd..fc1f579fb965 100644
--- a/arch/x86/include/asm/i8253.h
+++ b/arch/x86/include/asm/i8253.h
@@ -6,7 +6,7 @@
6#define PIT_CH0 0x40 6#define PIT_CH0 0x40
7#define PIT_CH2 0x42 7#define PIT_CH2 0x42
8 8
9extern spinlock_t i8253_lock; 9extern raw_spinlock_t i8253_lock;
10 10
11extern struct clock_event_device *global_clock_event; 11extern struct clock_event_device *global_clock_event;
12 12
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 35832a03a515..63cb4096c3dc 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -159,7 +159,6 @@ struct io_apic_irq_attr;
159extern int io_apic_set_pci_routing(struct device *dev, int irq, 159extern int io_apic_set_pci_routing(struct device *dev, int irq,
160 struct io_apic_irq_attr *irq_attr); 160 struct io_apic_irq_attr *irq_attr);
161void setup_IO_APIC_irq_extra(u32 gsi); 161void setup_IO_APIC_irq_extra(u32 gsi);
162extern int (*ioapic_renumber_irq)(int ioapic, int irq);
163extern void ioapic_init_mappings(void); 162extern void ioapic_init_mappings(void);
164extern void ioapic_insert_resources(void); 163extern void ioapic_insert_resources(void);
165 164
@@ -180,12 +179,13 @@ extern void ioapic_write_entry(int apic, int pin,
180extern void setup_ioapic_ids_from_mpc(void); 179extern void setup_ioapic_ids_from_mpc(void);
181 180
182struct mp_ioapic_gsi{ 181struct mp_ioapic_gsi{
183 int gsi_base; 182 u32 gsi_base;
184 int gsi_end; 183 u32 gsi_end;
185}; 184};
186extern struct mp_ioapic_gsi mp_gsi_routing[]; 185extern struct mp_ioapic_gsi mp_gsi_routing[];
187int mp_find_ioapic(int gsi); 186extern u32 gsi_end;
188int mp_find_ioapic_pin(int ioapic, int gsi); 187int mp_find_ioapic(u32 gsi);
188int mp_find_ioapic_pin(int ioapic, u32 gsi);
189void __init mp_register_ioapic(int id, u32 address, u32 gsi_base); 189void __init mp_register_ioapic(int id, u32 address, u32 gsi_base);
190extern void __init pre_init_apic_IRQ0(void); 190extern void __init pre_init_apic_IRQ0(void);
191 191
@@ -197,7 +197,8 @@ static const int timer_through_8259 = 0;
197static inline void ioapic_init_mappings(void) { } 197static inline void ioapic_init_mappings(void) { }
198static inline void ioapic_insert_resources(void) { } 198static inline void ioapic_insert_resources(void) { }
199static inline void probe_nr_irqs_gsi(void) { } 199static inline void probe_nr_irqs_gsi(void) { }
200static inline int mp_find_ioapic(int gsi) { return 0; } 200#define gsi_end (NR_IRQS_LEGACY - 1)
201static inline int mp_find_ioapic(u32 gsi) { return 0; }
201 202
202struct io_apic_irq_attr; 203struct io_apic_irq_attr;
203static inline int io_apic_set_pci_routing(struct device *dev, int irq, 204static inline int io_apic_set_pci_routing(struct device *dev, int irq,
diff --git a/arch/x86/include/asm/k8.h b/arch/x86/include/asm/k8.h
index f70e60071fe8..af00bd1d2089 100644
--- a/arch/x86/include/asm/k8.h
+++ b/arch/x86/include/asm/k8.h
@@ -16,11 +16,16 @@ extern int k8_numa_init(unsigned long start_pfn, unsigned long end_pfn);
16extern int k8_scan_nodes(void); 16extern int k8_scan_nodes(void);
17 17
18#ifdef CONFIG_K8_NB 18#ifdef CONFIG_K8_NB
19extern int num_k8_northbridges;
20
19static inline struct pci_dev *node_to_k8_nb_misc(int node) 21static inline struct pci_dev *node_to_k8_nb_misc(int node)
20{ 22{
21 return (node < num_k8_northbridges) ? k8_northbridges[node] : NULL; 23 return (node < num_k8_northbridges) ? k8_northbridges[node] : NULL;
22} 24}
25
23#else 26#else
27#define num_k8_northbridges 0
28
24static inline struct pci_dev *node_to_k8_nb_misc(int node) 29static inline struct pci_dev *node_to_k8_nb_misc(int node)
25{ 30{
26 return NULL; 31 return NULL;
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index d8bf23a88d05..c82868e9f905 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -105,16 +105,6 @@ extern void mp_config_acpi_legacy_irqs(void);
105struct device; 105struct device;
106extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level, 106extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
107 int active_high_low); 107 int active_high_low);
108extern int acpi_probe_gsi(void);
109#ifdef CONFIG_X86_IO_APIC
110extern int mp_find_ioapic(int gsi);
111extern int mp_find_ioapic_pin(int ioapic, int gsi);
112#endif
113#else /* !CONFIG_ACPI: */
114static inline int acpi_probe_gsi(void)
115{
116 return 0;
117}
118#endif /* CONFIG_ACPI */ 108#endif /* CONFIG_ACPI */
119 109
120#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS) 110#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
new file mode 100644
index 000000000000..79ce5685ab64
--- /dev/null
+++ b/arch/x86/include/asm/mshyperv.h
@@ -0,0 +1,14 @@
1#ifndef _ASM_X86_MSHYPER_H
2#define _ASM_X86_MSHYPER_H
3
4#include <linux/types.h>
5#include <asm/hyperv.h>
6
7struct ms_hyperv_info {
8 u32 features;
9 u32 hints;
10};
11
12extern struct ms_hyperv_info ms_hyperv;
13
14#endif
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 66a272dfd8b8..0ec6d12d84e6 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -190,6 +190,29 @@ do { \
190 pfo_ret__; \ 190 pfo_ret__; \
191}) 191})
192 192
193#define percpu_unary_op(op, var) \
194({ \
195 switch (sizeof(var)) { \
196 case 1: \
197 asm(op "b "__percpu_arg(0) \
198 : "+m" (var)); \
199 break; \
200 case 2: \
201 asm(op "w "__percpu_arg(0) \
202 : "+m" (var)); \
203 break; \
204 case 4: \
205 asm(op "l "__percpu_arg(0) \
206 : "+m" (var)); \
207 break; \
208 case 8: \
209 asm(op "q "__percpu_arg(0) \
210 : "+m" (var)); \
211 break; \
212 default: __bad_percpu_size(); \
213 } \
214})
215
193/* 216/*
194 * percpu_read() makes gcc load the percpu variable every time it is 217 * percpu_read() makes gcc load the percpu variable every time it is
195 * accessed while percpu_read_stable() allows the value to be cached. 218 * accessed while percpu_read_stable() allows the value to be cached.
@@ -207,6 +230,7 @@ do { \
207#define percpu_and(var, val) percpu_to_op("and", var, val) 230#define percpu_and(var, val) percpu_to_op("and", var, val)
208#define percpu_or(var, val) percpu_to_op("or", var, val) 231#define percpu_or(var, val) percpu_to_op("or", var, val)
209#define percpu_xor(var, val) percpu_to_op("xor", var, val) 232#define percpu_xor(var, val) percpu_to_op("xor", var, val)
233#define percpu_inc(var) percpu_unary_op("inc", var)
210 234
211#define __this_cpu_read_1(pcp) percpu_from_op("mov", (pcp), "m"(pcp)) 235#define __this_cpu_read_1(pcp) percpu_from_op("mov", (pcp), "m"(pcp))
212#define __this_cpu_read_2(pcp) percpu_from_op("mov", (pcp), "m"(pcp)) 236#define __this_cpu_read_2(pcp) percpu_from_op("mov", (pcp), "m"(pcp))
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index b05400a542ff..64a8ebff06fc 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -89,7 +89,8 @@
89 P4_CCCR_ENABLE) 89 P4_CCCR_ENABLE)
90 90
91/* HT mask */ 91/* HT mask */
92#define P4_CCCR_MASK_HT (P4_CCCR_MASK | P4_CCCR_THREAD_ANY) 92#define P4_CCCR_MASK_HT \
93 (P4_CCCR_MASK | P4_CCCR_OVF_PMI_T1 | P4_CCCR_THREAD_ANY)
93 94
94#define P4_GEN_ESCR_EMASK(class, name, bit) \ 95#define P4_GEN_ESCR_EMASK(class, name, bit) \
95 class##__##name = ((1 << bit) << P4_ESCR_EVENTMASK_SHIFT) 96 class##__##name = ((1 << bit) << P4_ESCR_EVENTMASK_SHIFT)
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 32428b410b55..5a51379dcbe4 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -113,7 +113,6 @@ struct cpuinfo_x86 {
113 /* Index into per_cpu list: */ 113 /* Index into per_cpu list: */
114 u16 cpu_index; 114 u16 cpu_index;
115#endif 115#endif
116 unsigned int x86_hyper_vendor;
117} __attribute__((__aligned__(SMP_CACHE_BYTES))); 116} __attribute__((__aligned__(SMP_CACHE_BYTES)));
118 117
119#define X86_VENDOR_INTEL 0 118#define X86_VENDOR_INTEL 0
@@ -127,9 +126,6 @@ struct cpuinfo_x86 {
127 126
128#define X86_VENDOR_UNKNOWN 0xff 127#define X86_VENDOR_UNKNOWN 0xff
129 128
130#define X86_HYPER_VENDOR_NONE 0
131#define X86_HYPER_VENDOR_VMWARE 1
132
133/* 129/*
134 * capabilities of CPUs 130 * capabilities of CPUs
135 */ 131 */
@@ -380,6 +376,10 @@ union thread_xstate {
380 struct xsave_struct xsave; 376 struct xsave_struct xsave;
381}; 377};
382 378
379struct fpu {
380 union thread_xstate *state;
381};
382
383#ifdef CONFIG_X86_64 383#ifdef CONFIG_X86_64
384DECLARE_PER_CPU(struct orig_ist, orig_ist); 384DECLARE_PER_CPU(struct orig_ist, orig_ist);
385 385
@@ -457,7 +457,7 @@ struct thread_struct {
457 unsigned long trap_no; 457 unsigned long trap_no;
458 unsigned long error_code; 458 unsigned long error_code;
459 /* floating point and extended processor state */ 459 /* floating point and extended processor state */
460 union thread_xstate *xstate; 460 struct fpu fpu;
461#ifdef CONFIG_X86_32 461#ifdef CONFIG_X86_32
462 /* Virtual 86 mode info */ 462 /* Virtual 86 mode info */
463 struct vm86_struct __user *vm86_info; 463 struct vm86_struct __user *vm86_info;
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index d017ed5502e2..d4092fac226b 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -242,7 +242,6 @@ static inline struct thread_info *current_thread_info(void)
242#define TS_POLLING 0x0004 /* true if in idle loop 242#define TS_POLLING 0x0004 /* true if in idle loop
243 and not sleeping */ 243 and not sleeping */
244#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ 244#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */
245#define TS_XSAVE 0x0010 /* Use xsave/xrstor */
246 245
247#define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) 246#define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
248 247
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 4da91ad69e0d..f66cda56781d 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -79,7 +79,7 @@ static inline int get_si_code(unsigned long condition)
79 79
80extern int panic_on_unrecovered_nmi; 80extern int panic_on_unrecovered_nmi;
81 81
82void math_error(void __user *); 82void math_error(struct pt_regs *, int, int);
83void math_emulate(struct math_emu_info *); 83void math_emulate(struct math_emu_info *);
84#ifndef CONFIG_X86_32 84#ifndef CONFIG_X86_32
85asmlinkage void smp_thermal_interrupt(void); 85asmlinkage void smp_thermal_interrupt(void);
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index b414d2b401f6..aa558ac0306e 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -27,13 +27,14 @@
27 * set 2 is at BASE + 2*512, set 3 at BASE + 3*512, and so on. 27 * set 2 is at BASE + 2*512, set 3 at BASE + 3*512, and so on.
28 * 28 *
29 * We will use 31 sets, one for sending BAU messages from each of the 32 29 * We will use 31 sets, one for sending BAU messages from each of the 32
30 * cpu's on the node. 30 * cpu's on the uvhub.
31 * 31 *
32 * TLB shootdown will use the first of the 8 descriptors of each set. 32 * TLB shootdown will use the first of the 8 descriptors of each set.
33 * Each of the descriptors is 64 bytes in size (8*64 = 512 bytes in a set). 33 * Each of the descriptors is 64 bytes in size (8*64 = 512 bytes in a set).
34 */ 34 */
35 35
36#define UV_ITEMS_PER_DESCRIPTOR 8 36#define UV_ITEMS_PER_DESCRIPTOR 8
37#define MAX_BAU_CONCURRENT 3
37#define UV_CPUS_PER_ACT_STATUS 32 38#define UV_CPUS_PER_ACT_STATUS 32
38#define UV_ACT_STATUS_MASK 0x3 39#define UV_ACT_STATUS_MASK 0x3
39#define UV_ACT_STATUS_SIZE 2 40#define UV_ACT_STATUS_SIZE 2
@@ -45,6 +46,9 @@
45#define UV_PAYLOADQ_PNODE_SHIFT 49 46#define UV_PAYLOADQ_PNODE_SHIFT 49
46#define UV_PTC_BASENAME "sgi_uv/ptc_statistics" 47#define UV_PTC_BASENAME "sgi_uv/ptc_statistics"
47#define uv_physnodeaddr(x) ((__pa((unsigned long)(x)) & uv_mmask)) 48#define uv_physnodeaddr(x) ((__pa((unsigned long)(x)) & uv_mmask))
49#define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15
50#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16
51#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL
48 52
49/* 53/*
50 * bits in UVH_LB_BAU_SB_ACTIVATION_STATUS_0/1 54 * bits in UVH_LB_BAU_SB_ACTIVATION_STATUS_0/1
@@ -55,15 +59,29 @@
55#define DESC_STATUS_SOURCE_TIMEOUT 3 59#define DESC_STATUS_SOURCE_TIMEOUT 3
56 60
57/* 61/*
58 * source side thresholds at which message retries print a warning 62 * source side threshholds at which message retries print a warning
59 */ 63 */
60#define SOURCE_TIMEOUT_LIMIT 20 64#define SOURCE_TIMEOUT_LIMIT 20
61#define DESTINATION_TIMEOUT_LIMIT 20 65#define DESTINATION_TIMEOUT_LIMIT 20
62 66
63/* 67/*
68 * misc. delays, in microseconds
69 */
70#define THROTTLE_DELAY 10
71#define TIMEOUT_DELAY 10
72#define BIOS_TO 1000
73/* BIOS is assumed to set the destination timeout to 1003520 nanoseconds */
74
75/*
76 * threshholds at which to use IPI to free resources
77 */
78#define PLUGSB4RESET 100
79#define TIMEOUTSB4RESET 100
80
81/*
64 * number of entries in the destination side payload queue 82 * number of entries in the destination side payload queue
65 */ 83 */
66#define DEST_Q_SIZE 17 84#define DEST_Q_SIZE 20
67/* 85/*
68 * number of destination side software ack resources 86 * number of destination side software ack resources
69 */ 87 */
@@ -72,9 +90,10 @@
72/* 90/*
73 * completion statuses for sending a TLB flush message 91 * completion statuses for sending a TLB flush message
74 */ 92 */
75#define FLUSH_RETRY 1 93#define FLUSH_RETRY_PLUGGED 1
76#define FLUSH_GIVEUP 2 94#define FLUSH_RETRY_TIMEOUT 2
77#define FLUSH_COMPLETE 3 95#define FLUSH_GIVEUP 3
96#define FLUSH_COMPLETE 4
78 97
79/* 98/*
80 * Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor) 99 * Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor)
@@ -86,14 +105,14 @@
86 * 'base_dest_nodeid' field of the header corresponds to the 105 * 'base_dest_nodeid' field of the header corresponds to the
87 * destination nodeID associated with that specified bit. 106 * destination nodeID associated with that specified bit.
88 */ 107 */
89struct bau_target_nodemask { 108struct bau_target_uvhubmask {
90 unsigned long bits[BITS_TO_LONGS(256)]; 109 unsigned long bits[BITS_TO_LONGS(UV_DISTRIBUTION_SIZE)];
91}; 110};
92 111
93/* 112/*
94 * mask of cpu's on a node 113 * mask of cpu's on a uvhub
95 * (during initialization we need to check that unsigned long has 114 * (during initialization we need to check that unsigned long has
96 * enough bits for max. cpu's per node) 115 * enough bits for max. cpu's per uvhub)
97 */ 116 */
98struct bau_local_cpumask { 117struct bau_local_cpumask {
99 unsigned long bits; 118 unsigned long bits;
@@ -135,8 +154,8 @@ struct bau_msg_payload {
135struct bau_msg_header { 154struct bau_msg_header {
136 unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */ 155 unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */
137 /* bits 5:0 */ 156 /* bits 5:0 */
138 unsigned int base_dest_nodeid:15; /* nasid>>1 (pnode) of */ 157 unsigned int base_dest_nodeid:15; /* nasid (pnode<<1) of */
139 /* bits 20:6 */ /* first bit in node_map */ 158 /* bits 20:6 */ /* first bit in uvhub map */
140 unsigned int command:8; /* message type */ 159 unsigned int command:8; /* message type */
141 /* bits 28:21 */ 160 /* bits 28:21 */
142 /* 0x38: SN3net EndPoint Message */ 161 /* 0x38: SN3net EndPoint Message */
@@ -146,26 +165,38 @@ struct bau_msg_header {
146 unsigned int rsvd_2:9; /* must be zero */ 165 unsigned int rsvd_2:9; /* must be zero */
147 /* bits 40:32 */ 166 /* bits 40:32 */
148 /* Suppl_A is 56-41 */ 167 /* Suppl_A is 56-41 */
149 unsigned int payload_2a:8;/* becomes byte 16 of msg */ 168 unsigned int sequence:16;/* message sequence number */
150 /* bits 48:41 */ /* not currently using */ 169 /* bits 56:41 */ /* becomes bytes 16-17 of msg */
151 unsigned int payload_2b:8;/* becomes byte 17 of msg */
152 /* bits 56:49 */ /* not currently using */
153 /* Address field (96:57) is never used as an 170 /* Address field (96:57) is never used as an
154 address (these are address bits 42:3) */ 171 address (these are address bits 42:3) */
172
155 unsigned int rsvd_3:1; /* must be zero */ 173 unsigned int rsvd_3:1; /* must be zero */
156 /* bit 57 */ 174 /* bit 57 */
157 /* address bits 27:4 are payload */ 175 /* address bits 27:4 are payload */
158 /* these 24 bits become bytes 12-14 of msg */ 176 /* these next 24 (58-81) bits become bytes 12-14 of msg */
177
178 /* bits 65:58 land in byte 12 */
159 unsigned int replied_to:1;/* sent as 0 by the source to byte 12 */ 179 unsigned int replied_to:1;/* sent as 0 by the source to byte 12 */
160 /* bit 58 */ 180 /* bit 58 */
161 181 unsigned int msg_type:3; /* software type of the message*/
162 unsigned int payload_1a:5;/* not currently used */ 182 /* bits 61:59 */
163 /* bits 63:59 */ 183 unsigned int canceled:1; /* message canceled, resource to be freed*/
164 unsigned int payload_1b:8;/* not currently used */ 184 /* bit 62 */
165 /* bits 71:64 */ 185 unsigned int payload_1a:1;/* not currently used */
166 unsigned int payload_1c:8;/* not currently used */ 186 /* bit 63 */
167 /* bits 79:72 */ 187 unsigned int payload_1b:2;/* not currently used */
168 unsigned int payload_1d:2;/* not currently used */ 188 /* bits 65:64 */
189
190 /* bits 73:66 land in byte 13 */
191 unsigned int payload_1ca:6;/* not currently used */
192 /* bits 71:66 */
193 unsigned int payload_1c:2;/* not currently used */
194 /* bits 73:72 */
195
196 /* bits 81:74 land in byte 14 */
197 unsigned int payload_1d:6;/* not currently used */
198 /* bits 79:74 */
199 unsigned int payload_1e:2;/* not currently used */
169 /* bits 81:80 */ 200 /* bits 81:80 */
170 201
171 unsigned int rsvd_4:7; /* must be zero */ 202 unsigned int rsvd_4:7; /* must be zero */
@@ -178,7 +209,7 @@ struct bau_msg_header {
178 /* bits 95:90 */ 209 /* bits 95:90 */
179 unsigned int rsvd_6:5; /* must be zero */ 210 unsigned int rsvd_6:5; /* must be zero */
180 /* bits 100:96 */ 211 /* bits 100:96 */
181 unsigned int int_both:1;/* if 1, interrupt both sockets on the blade */ 212 unsigned int int_both:1;/* if 1, interrupt both sockets on the uvhub */
182 /* bit 101*/ 213 /* bit 101*/
183 unsigned int fairness:3;/* usually zero */ 214 unsigned int fairness:3;/* usually zero */
184 /* bits 104:102 */ 215 /* bits 104:102 */
@@ -191,13 +222,18 @@ struct bau_msg_header {
191 /* bits 127:107 */ 222 /* bits 127:107 */
192}; 223};
193 224
225/* see msg_type: */
226#define MSG_NOOP 0
227#define MSG_REGULAR 1
228#define MSG_RETRY 2
229
194/* 230/*
195 * The activation descriptor: 231 * The activation descriptor:
196 * The format of the message to send, plus all accompanying control 232 * The format of the message to send, plus all accompanying control
197 * Should be 64 bytes 233 * Should be 64 bytes
198 */ 234 */
199struct bau_desc { 235struct bau_desc {
200 struct bau_target_nodemask distribution; 236 struct bau_target_uvhubmask distribution;
201 /* 237 /*
202 * message template, consisting of header and payload: 238 * message template, consisting of header and payload:
203 */ 239 */
@@ -237,19 +273,25 @@ struct bau_payload_queue_entry {
237 unsigned short acknowledge_count; /* filled in by destination */ 273 unsigned short acknowledge_count; /* filled in by destination */
238 /* 16 bits, bytes 10-11 */ 274 /* 16 bits, bytes 10-11 */
239 275
240 unsigned short replied_to:1; /* sent as 0 by the source */ 276 /* these next 3 bytes come from bits 58-81 of the message header */
241 /* 1 bit */ 277 unsigned short replied_to:1; /* sent as 0 by the source */
242 unsigned short unused1:7; /* not currently using */ 278 unsigned short msg_type:3; /* software message type */
243 /* 7 bits: byte 12) */ 279 unsigned short canceled:1; /* sent as 0 by the source */
280 unsigned short unused1:3; /* not currently using */
281 /* byte 12 */
244 282
245 unsigned char unused2[2]; /* not currently using */ 283 unsigned char unused2a; /* not currently using */
246 /* bytes 13-14 */ 284 /* byte 13 */
285 unsigned char unused2; /* not currently using */
286 /* byte 14 */
247 287
248 unsigned char sw_ack_vector; /* filled in by the hardware */ 288 unsigned char sw_ack_vector; /* filled in by the hardware */
249 /* byte 15 (bits 127:120) */ 289 /* byte 15 (bits 127:120) */
250 290
251 unsigned char unused4[3]; /* not currently using bytes 17-19 */ 291 unsigned short sequence; /* message sequence number */
252 /* bytes 17-19 */ 292 /* bytes 16-17 */
293 unsigned char unused4[2]; /* not currently using bytes 18-19 */
294 /* bytes 18-19 */
253 295
254 int number_of_cpus; /* filled in at destination */ 296 int number_of_cpus; /* filled in at destination */
255 /* 32 bits, bytes 20-23 (aligned) */ 297 /* 32 bits, bytes 20-23 (aligned) */
@@ -259,63 +301,93 @@ struct bau_payload_queue_entry {
259}; 301};
260 302
261/* 303/*
262 * one for every slot in the destination payload queue 304 * one per-cpu; to locate the software tables
263 */
264struct bau_msg_status {
265 struct bau_local_cpumask seen_by; /* map of cpu's */
266};
267
268/*
269 * one for every slot in the destination software ack resources
270 */
271struct bau_sw_ack_status {
272 struct bau_payload_queue_entry *msg; /* associated message */
273 int watcher; /* cpu monitoring, or -1 */
274};
275
276/*
277 * one on every node and per-cpu; to locate the software tables
278 */ 305 */
279struct bau_control { 306struct bau_control {
280 struct bau_desc *descriptor_base; 307 struct bau_desc *descriptor_base;
281 struct bau_payload_queue_entry *bau_msg_head;
282 struct bau_payload_queue_entry *va_queue_first; 308 struct bau_payload_queue_entry *va_queue_first;
283 struct bau_payload_queue_entry *va_queue_last; 309 struct bau_payload_queue_entry *va_queue_last;
284 struct bau_msg_status *msg_statuses; 310 struct bau_payload_queue_entry *bau_msg_head;
285 int *watching; /* pointer to array */ 311 struct bau_control *uvhub_master;
312 struct bau_control *socket_master;
313 unsigned long timeout_interval;
314 atomic_t active_descriptor_count;
315 int max_concurrent;
316 int max_concurrent_constant;
317 int retry_message_scans;
318 int plugged_tries;
319 int timeout_tries;
320 int ipi_attempts;
321 int conseccompletes;
322 short cpu;
323 short uvhub_cpu;
324 short uvhub;
325 short cpus_in_socket;
326 short cpus_in_uvhub;
327 unsigned short message_number;
328 unsigned short uvhub_quiesce;
329 short socket_acknowledge_count[DEST_Q_SIZE];
330 cycles_t send_message;
331 spinlock_t masks_lock;
332 spinlock_t uvhub_lock;
333 spinlock_t queue_lock;
286}; 334};
287 335
288/* 336/*
289 * This structure is allocated per_cpu for UV TLB shootdown statistics. 337 * This structure is allocated per_cpu for UV TLB shootdown statistics.
290 */ 338 */
291struct ptc_stats { 339struct ptc_stats {
292 unsigned long ptc_i; /* number of IPI-style flushes */ 340 /* sender statistics */
293 unsigned long requestor; /* number of nodes this cpu sent to */ 341 unsigned long s_giveup; /* number of fall backs to IPI-style flushes */
294 unsigned long requestee; /* times cpu was remotely requested */ 342 unsigned long s_requestor; /* number of shootdown requests */
295 unsigned long alltlb; /* times all tlb's on this cpu were flushed */ 343 unsigned long s_stimeout; /* source side timeouts */
296 unsigned long onetlb; /* times just one tlb on this cpu was flushed */ 344 unsigned long s_dtimeout; /* destination side timeouts */
297 unsigned long s_retry; /* retries on source side timeouts */ 345 unsigned long s_time; /* time spent in sending side */
298 unsigned long d_retry; /* retries on destination side timeouts */ 346 unsigned long s_retriesok; /* successful retries */
299 unsigned long sflush; /* cycles spent in uv_flush_tlb_others */ 347 unsigned long s_ntargcpu; /* number of cpus targeted */
300 unsigned long dflush; /* cycles spent on destination side */ 348 unsigned long s_ntarguvhub; /* number of uvhubs targeted */
301 unsigned long retriesok; /* successes on retries */ 349 unsigned long s_ntarguvhub16; /* number of times >= 16 target hubs */
302 unsigned long nomsg; /* interrupts with no message */ 350 unsigned long s_ntarguvhub8; /* number of times >= 8 target hubs */
303 unsigned long multmsg; /* interrupts with multiple messages */ 351 unsigned long s_ntarguvhub4; /* number of times >= 4 target hubs */
304 unsigned long ntargeted;/* nodes targeted */ 352 unsigned long s_ntarguvhub2; /* number of times >= 2 target hubs */
353 unsigned long s_ntarguvhub1; /* number of times == 1 target hub */
354 unsigned long s_resets_plug; /* ipi-style resets from plug state */
355 unsigned long s_resets_timeout; /* ipi-style resets from timeouts */
356 unsigned long s_busy; /* status stayed busy past s/w timer */
357 unsigned long s_throttles; /* waits in throttle */
358 unsigned long s_retry_messages; /* retry broadcasts */
359 /* destination statistics */
360 unsigned long d_alltlb; /* times all tlb's on this cpu were flushed */
361 unsigned long d_onetlb; /* times just one tlb on this cpu was flushed */
362 unsigned long d_multmsg; /* interrupts with multiple messages */
363 unsigned long d_nomsg; /* interrupts with no message */
364 unsigned long d_time; /* time spent on destination side */
365 unsigned long d_requestee; /* number of messages processed */
366 unsigned long d_retries; /* number of retry messages processed */
367 unsigned long d_canceled; /* number of messages canceled by retries */
368 unsigned long d_nocanceled; /* retries that found nothing to cancel */
369 unsigned long d_resets; /* number of ipi-style requests processed */
370 unsigned long d_rcanceled; /* number of messages canceled by resets */
305}; 371};
306 372
307static inline int bau_node_isset(int node, struct bau_target_nodemask *dstp) 373static inline int bau_uvhub_isset(int uvhub, struct bau_target_uvhubmask *dstp)
308{ 374{
309 return constant_test_bit(node, &dstp->bits[0]); 375 return constant_test_bit(uvhub, &dstp->bits[0]);
310} 376}
311static inline void bau_node_set(int node, struct bau_target_nodemask *dstp) 377static inline void bau_uvhub_set(int uvhub, struct bau_target_uvhubmask *dstp)
312{ 378{
313 __set_bit(node, &dstp->bits[0]); 379 __set_bit(uvhub, &dstp->bits[0]);
314} 380}
315static inline void bau_nodes_clear(struct bau_target_nodemask *dstp, int nbits) 381static inline void bau_uvhubs_clear(struct bau_target_uvhubmask *dstp,
382 int nbits)
316{ 383{
317 bitmap_zero(&dstp->bits[0], nbits); 384 bitmap_zero(&dstp->bits[0], nbits);
318} 385}
386static inline int bau_uvhub_weight(struct bau_target_uvhubmask *dstp)
387{
388 return bitmap_weight((unsigned long *)&dstp->bits[0],
389 UV_DISTRIBUTION_SIZE);
390}
319 391
320static inline void bau_cpubits_clear(struct bau_local_cpumask *dstp, int nbits) 392static inline void bau_cpubits_clear(struct bau_local_cpumask *dstp, int nbits)
321{ 393{
@@ -328,4 +400,35 @@ static inline void bau_cpubits_clear(struct bau_local_cpumask *dstp, int nbits)
328extern void uv_bau_message_intr1(void); 400extern void uv_bau_message_intr1(void);
329extern void uv_bau_timeout_intr1(void); 401extern void uv_bau_timeout_intr1(void);
330 402
403struct atomic_short {
404 short counter;
405};
406
407/**
408 * atomic_read_short - read a short atomic variable
409 * @v: pointer of type atomic_short
410 *
411 * Atomically reads the value of @v.
412 */
413static inline int atomic_read_short(const struct atomic_short *v)
414{
415 return v->counter;
416}
417
418/**
419 * atomic_add_short_return - add and return a short int
420 * @i: short value to add
421 * @v: pointer of type atomic_short
422 *
423 * Atomically adds @i to @v and returns @i + @v
424 */
425static inline int atomic_add_short_return(short i, struct atomic_short *v)
426{
427 short __i = i;
428 asm volatile(LOCK_PREFIX "xaddw %0, %1"
429 : "+r" (i), "+m" (v->counter)
430 : : "memory");
431 return i + __i;
432}
433
331#endif /* _ASM_X86_UV_UV_BAU_H */ 434#endif /* _ASM_X86_UV_UV_BAU_H */
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 14cc74ba5d23..bf6b88ef8eeb 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -307,7 +307,7 @@ static inline unsigned long uv_read_global_mmr32(int pnode, unsigned long offset
307 * Access Global MMR space using the MMR space located at the top of physical 307 * Access Global MMR space using the MMR space located at the top of physical
308 * memory. 308 * memory.
309 */ 309 */
310static inline unsigned long *uv_global_mmr64_address(int pnode, unsigned long offset) 310static inline volatile void __iomem *uv_global_mmr64_address(int pnode, unsigned long offset)
311{ 311{
312 return __va(UV_GLOBAL_MMR64_BASE | 312 return __va(UV_GLOBAL_MMR64_BASE |
313 UV_GLOBAL_MMR64_PNODE_BITS(pnode) | offset); 313 UV_GLOBAL_MMR64_PNODE_BITS(pnode) | offset);
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 2cae46c7c8a2..b2f2d2e05cec 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -1,4 +1,3 @@
1
2/* 1/*
3 * This file is subject to the terms and conditions of the GNU General Public 2 * This file is subject to the terms and conditions of the GNU General Public
4 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
@@ -15,13 +14,25 @@
15#define UV_MMR_ENABLE (1UL << 63) 14#define UV_MMR_ENABLE (1UL << 63)
16 15
17/* ========================================================================= */ 16/* ========================================================================= */
17/* UVH_BAU_DATA_BROADCAST */
18/* ========================================================================= */
19#define UVH_BAU_DATA_BROADCAST 0x61688UL
20#define UVH_BAU_DATA_BROADCAST_32 0x0440
21
22#define UVH_BAU_DATA_BROADCAST_ENABLE_SHFT 0
23#define UVH_BAU_DATA_BROADCAST_ENABLE_MASK 0x0000000000000001UL
24
25union uvh_bau_data_broadcast_u {
26 unsigned long v;
27 struct uvh_bau_data_broadcast_s {
28 unsigned long enable : 1; /* RW */
29 unsigned long rsvd_1_63: 63; /* */
30 } s;
31};
32
33/* ========================================================================= */
18/* UVH_BAU_DATA_CONFIG */ 34/* UVH_BAU_DATA_CONFIG */
19/* ========================================================================= */ 35/* ========================================================================= */
20#define UVH_LB_BAU_MISC_CONTROL 0x320170UL
21#define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15
22#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16
23#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL
24/* 1011 timebase 7 (168millisec) * 3 ticks -> 500ms */
25#define UVH_BAU_DATA_CONFIG 0x61680UL 36#define UVH_BAU_DATA_CONFIG 0x61680UL
26#define UVH_BAU_DATA_CONFIG_32 0x0438 37#define UVH_BAU_DATA_CONFIG_32 0x0438
27 38
@@ -604,6 +615,68 @@ union uvh_lb_bau_intd_software_acknowledge_u {
604#define UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS_32 0x0a70 615#define UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS_32 0x0a70
605 616
606/* ========================================================================= */ 617/* ========================================================================= */
618/* UVH_LB_BAU_MISC_CONTROL */
619/* ========================================================================= */
620#define UVH_LB_BAU_MISC_CONTROL 0x320170UL
621#define UVH_LB_BAU_MISC_CONTROL_32 0x00a10
622
623#define UVH_LB_BAU_MISC_CONTROL_REJECTION_DELAY_SHFT 0
624#define UVH_LB_BAU_MISC_CONTROL_REJECTION_DELAY_MASK 0x00000000000000ffUL
625#define UVH_LB_BAU_MISC_CONTROL_APIC_MODE_SHFT 8
626#define UVH_LB_BAU_MISC_CONTROL_APIC_MODE_MASK 0x0000000000000100UL
627#define UVH_LB_BAU_MISC_CONTROL_FORCE_BROADCAST_SHFT 9
628#define UVH_LB_BAU_MISC_CONTROL_FORCE_BROADCAST_MASK 0x0000000000000200UL
629#define UVH_LB_BAU_MISC_CONTROL_FORCE_LOCK_NOP_SHFT 10
630#define UVH_LB_BAU_MISC_CONTROL_FORCE_LOCK_NOP_MASK 0x0000000000000400UL
631#define UVH_LB_BAU_MISC_CONTROL_CSI_AGENT_PRESENCE_VECTOR_SHFT 11
632#define UVH_LB_BAU_MISC_CONTROL_CSI_AGENT_PRESENCE_VECTOR_MASK 0x0000000000003800UL
633#define UVH_LB_BAU_MISC_CONTROL_DESCRIPTOR_FETCH_MODE_SHFT 14
634#define UVH_LB_BAU_MISC_CONTROL_DESCRIPTOR_FETCH_MODE_MASK 0x0000000000004000UL
635#define UVH_LB_BAU_MISC_CONTROL_ENABLE_INTD_SOFT_ACK_MODE_SHFT 15
636#define UVH_LB_BAU_MISC_CONTROL_ENABLE_INTD_SOFT_ACK_MODE_MASK 0x0000000000008000UL
637#define UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT 16
638#define UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_MASK 0x00000000000f0000UL
639#define UVH_LB_BAU_MISC_CONTROL_ENABLE_DUAL_MAPPING_MODE_SHFT 20
640#define UVH_LB_BAU_MISC_CONTROL_ENABLE_DUAL_MAPPING_MODE_MASK 0x0000000000100000UL
641#define UVH_LB_BAU_MISC_CONTROL_VGA_IO_PORT_DECODE_ENABLE_SHFT 21
642#define UVH_LB_BAU_MISC_CONTROL_VGA_IO_PORT_DECODE_ENABLE_MASK 0x0000000000200000UL
643#define UVH_LB_BAU_MISC_CONTROL_VGA_IO_PORT_16_BIT_DECODE_SHFT 22
644#define UVH_LB_BAU_MISC_CONTROL_VGA_IO_PORT_16_BIT_DECODE_MASK 0x0000000000400000UL
645#define UVH_LB_BAU_MISC_CONTROL_SUPPRESS_DEST_REGISTRATION_SHFT 23
646#define UVH_LB_BAU_MISC_CONTROL_SUPPRESS_DEST_REGISTRATION_MASK 0x0000000000800000UL
647#define UVH_LB_BAU_MISC_CONTROL_PROGRAMMED_INITIAL_PRIORITY_SHFT 24
648#define UVH_LB_BAU_MISC_CONTROL_PROGRAMMED_INITIAL_PRIORITY_MASK 0x0000000007000000UL
649#define UVH_LB_BAU_MISC_CONTROL_USE_INCOMING_PRIORITY_SHFT 27
650#define UVH_LB_BAU_MISC_CONTROL_USE_INCOMING_PRIORITY_MASK 0x0000000008000000UL
651#define UVH_LB_BAU_MISC_CONTROL_ENABLE_PROGRAMMED_INITIAL_PRIORITY_SHFT 28
652#define UVH_LB_BAU_MISC_CONTROL_ENABLE_PROGRAMMED_INITIAL_PRIORITY_MASK 0x0000000010000000UL
653#define UVH_LB_BAU_MISC_CONTROL_FUN_SHFT 48
654#define UVH_LB_BAU_MISC_CONTROL_FUN_MASK 0xffff000000000000UL
655
656union uvh_lb_bau_misc_control_u {
657 unsigned long v;
658 struct uvh_lb_bau_misc_control_s {
659 unsigned long rejection_delay : 8; /* RW */
660 unsigned long apic_mode : 1; /* RW */
661 unsigned long force_broadcast : 1; /* RW */
662 unsigned long force_lock_nop : 1; /* RW */
663 unsigned long csi_agent_presence_vector : 3; /* RW */
664 unsigned long descriptor_fetch_mode : 1; /* RW */
665 unsigned long enable_intd_soft_ack_mode : 1; /* RW */
666 unsigned long intd_soft_ack_timeout_period : 4; /* RW */
667 unsigned long enable_dual_mapping_mode : 1; /* RW */
668 unsigned long vga_io_port_decode_enable : 1; /* RW */
669 unsigned long vga_io_port_16_bit_decode : 1; /* RW */
670 unsigned long suppress_dest_registration : 1; /* RW */
671 unsigned long programmed_initial_priority : 3; /* RW */
672 unsigned long use_incoming_priority : 1; /* RW */
673 unsigned long enable_programmed_initial_priority : 1; /* RW */
674 unsigned long rsvd_29_47 : 19; /* */
675 unsigned long fun : 16; /* RW */
676 } s;
677};
678
679/* ========================================================================= */
607/* UVH_LB_BAU_SB_ACTIVATION_CONTROL */ 680/* UVH_LB_BAU_SB_ACTIVATION_CONTROL */
608/* ========================================================================= */ 681/* ========================================================================= */
609#define UVH_LB_BAU_SB_ACTIVATION_CONTROL 0x320020UL 682#define UVH_LB_BAU_SB_ACTIVATION_CONTROL 0x320020UL
@@ -681,334 +754,6 @@ union uvh_lb_bau_sb_descriptor_base_u {
681}; 754};
682 755
683/* ========================================================================= */ 756/* ========================================================================= */
684/* UVH_LB_MCAST_AOERR0_RPT_ENABLE */
685/* ========================================================================= */
686#define UVH_LB_MCAST_AOERR0_RPT_ENABLE 0x50b20UL
687
688#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_OBESE_MSG_SHFT 0
689#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_OBESE_MSG_MASK 0x0000000000000001UL
690#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_DATA_SB_ERR_SHFT 1
691#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_DATA_SB_ERR_MASK 0x0000000000000002UL
692#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_NACK_BUFF_PARITY_SHFT 2
693#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_NACK_BUFF_PARITY_MASK 0x0000000000000004UL
694#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_TIMEOUT_SHFT 3
695#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_TIMEOUT_MASK 0x0000000000000008UL
696#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_INACTIVE_REPLY_SHFT 4
697#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_INACTIVE_REPLY_MASK 0x0000000000000010UL
698#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_UPGRADE_ERROR_SHFT 5
699#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_UPGRADE_ERROR_MASK 0x0000000000000020UL
700#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_REG_COUNT_UNDERFLOW_SHFT 6
701#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_REG_COUNT_UNDERFLOW_MASK 0x0000000000000040UL
702#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_REP_OBESE_MSG_SHFT 7
703#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MCAST_REP_OBESE_MSG_MASK 0x0000000000000080UL
704#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_RUNT_MSG_SHFT 8
705#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_RUNT_MSG_MASK 0x0000000000000100UL
706#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_OBESE_MSG_SHFT 9
707#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_OBESE_MSG_MASK 0x0000000000000200UL
708#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_DATA_SB_ERR_SHFT 10
709#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REQ_DATA_SB_ERR_MASK 0x0000000000000400UL
710#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_RUNT_MSG_SHFT 11
711#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_RUNT_MSG_MASK 0x0000000000000800UL
712#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_OBESE_MSG_SHFT 12
713#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_OBESE_MSG_MASK 0x0000000000001000UL
714#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_DATA_SB_ERR_SHFT 13
715#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_DATA_SB_ERR_MASK 0x0000000000002000UL
716#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_COMMAND_ERR_SHFT 14
717#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_REP_COMMAND_ERR_MASK 0x0000000000004000UL
718#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_PEND_TIMEOUT_SHFT 15
719#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_UCACHE_PEND_TIMEOUT_MASK 0x0000000000008000UL
720#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_RUNT_MSG_SHFT 16
721#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_RUNT_MSG_MASK 0x0000000000010000UL
722#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_OBESE_MSG_SHFT 17
723#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_OBESE_MSG_MASK 0x0000000000020000UL
724#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_DATA_SB_ERR_SHFT 18
725#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REQ_DATA_SB_ERR_MASK 0x0000000000040000UL
726#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_RUNT_MSG_SHFT 19
727#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_RUNT_MSG_MASK 0x0000000000080000UL
728#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_OBESE_MSG_SHFT 20
729#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_OBESE_MSG_MASK 0x0000000000100000UL
730#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_DATA_SB_ERR_SHFT 21
731#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_REP_DATA_SB_ERR_MASK 0x0000000000200000UL
732#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_AMO_TIMEOUT_SHFT 22
733#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_AMO_TIMEOUT_MASK 0x0000000000400000UL
734#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_PUT_TIMEOUT_SHFT 23
735#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_PUT_TIMEOUT_MASK 0x0000000000800000UL
736#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_SPURIOUS_EVENT_SHFT 24
737#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_MACC_SPURIOUS_EVENT_MASK 0x0000000001000000UL
738#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_IOH_DESTINATION_TABLE_PARITY_SHFT 25
739#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_IOH_DESTINATION_TABLE_PARITY_MASK 0x0000000002000000UL
740#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_GET_HAD_ERROR_REPLY_SHFT 26
741#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_GET_HAD_ERROR_REPLY_MASK 0x0000000004000000UL
742#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_GET_TIMEOUT_SHFT 27
743#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_GET_TIMEOUT_MASK 0x0000000008000000UL
744#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_LOCK_MANAGER_HAD_ERROR_REPLY_SHFT 28
745#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_LOCK_MANAGER_HAD_ERROR_REPLY_MASK 0x0000000010000000UL
746#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_PUT_HAD_ERROR_REPLY_SHFT 29
747#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_PUT_HAD_ERROR_REPLY_MASK 0x0000000020000000UL
748#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_PUT_TIMEOUT_SHFT 30
749#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_PUT_TIMEOUT_MASK 0x0000000040000000UL
750#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_SB_ACTIVATION_OVERRUN_SHFT 31
751#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_SB_ACTIVATION_OVERRUN_MASK 0x0000000080000000UL
752#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_COMPLETED_GB_ACTIVATION_HAD_ERROR_REPLY_SHFT 32
753#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_COMPLETED_GB_ACTIVATION_HAD_ERROR_REPLY_MASK 0x0000000100000000UL
754#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_COMPLETED_GB_ACTIVATION_TIMEOUT_SHFT 33
755#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_COMPLETED_GB_ACTIVATION_TIMEOUT_MASK 0x0000000200000000UL
756#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_DESCRIPTOR_BUFFER_0_PARITY_SHFT 34
757#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_DESCRIPTOR_BUFFER_0_PARITY_MASK 0x0000000400000000UL
758#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_DESCRIPTOR_BUFFER_1_PARITY_SHFT 35
759#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_DESCRIPTOR_BUFFER_1_PARITY_MASK 0x0000000800000000UL
760#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_SOCKET_DESTINATION_TABLE_PARITY_SHFT 36
761#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_SOCKET_DESTINATION_TABLE_PARITY_MASK 0x0000001000000000UL
762#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_BAU_REPLY_PAYLOAD_CORRUPTION_SHFT 37
763#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_BAU_REPLY_PAYLOAD_CORRUPTION_MASK 0x0000002000000000UL
764#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_IO_PORT_DESTINATION_TABLE_PARITY_SHFT 38
765#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_IO_PORT_DESTINATION_TABLE_PARITY_MASK 0x0000004000000000UL
766#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INTD_SOFT_ACK_TIMEOUT_SHFT 39
767#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INTD_SOFT_ACK_TIMEOUT_MASK 0x0000008000000000UL
768#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_REP_OBESE_MSG_SHFT 40
769#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_REP_OBESE_MSG_MASK 0x0000010000000000UL
770#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_REP_COMMAND_ERR_SHFT 41
771#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_REP_COMMAND_ERR_MASK 0x0000020000000000UL
772#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_TIMEOUT_SHFT 42
773#define UVH_LB_MCAST_AOERR0_RPT_ENABLE_INT_TIMEOUT_MASK 0x0000040000000000UL
774
775union uvh_lb_mcast_aoerr0_rpt_enable_u {
776 unsigned long v;
777 struct uvh_lb_mcast_aoerr0_rpt_enable_s {
778 unsigned long mcast_obese_msg : 1; /* RW */
779 unsigned long mcast_data_sb_err : 1; /* RW */
780 unsigned long mcast_nack_buff_parity : 1; /* RW */
781 unsigned long mcast_timeout : 1; /* RW */
782 unsigned long mcast_inactive_reply : 1; /* RW */
783 unsigned long mcast_upgrade_error : 1; /* RW */
784 unsigned long mcast_reg_count_underflow : 1; /* RW */
785 unsigned long mcast_rep_obese_msg : 1; /* RW */
786 unsigned long ucache_req_runt_msg : 1; /* RW */
787 unsigned long ucache_req_obese_msg : 1; /* RW */
788 unsigned long ucache_req_data_sb_err : 1; /* RW */
789 unsigned long ucache_rep_runt_msg : 1; /* RW */
790 unsigned long ucache_rep_obese_msg : 1; /* RW */
791 unsigned long ucache_rep_data_sb_err : 1; /* RW */
792 unsigned long ucache_rep_command_err : 1; /* RW */
793 unsigned long ucache_pend_timeout : 1; /* RW */
794 unsigned long macc_req_runt_msg : 1; /* RW */
795 unsigned long macc_req_obese_msg : 1; /* RW */
796 unsigned long macc_req_data_sb_err : 1; /* RW */
797 unsigned long macc_rep_runt_msg : 1; /* RW */
798 unsigned long macc_rep_obese_msg : 1; /* RW */
799 unsigned long macc_rep_data_sb_err : 1; /* RW */
800 unsigned long macc_amo_timeout : 1; /* RW */
801 unsigned long macc_put_timeout : 1; /* RW */
802 unsigned long macc_spurious_event : 1; /* RW */
803 unsigned long ioh_destination_table_parity : 1; /* RW */
804 unsigned long get_had_error_reply : 1; /* RW */
805 unsigned long get_timeout : 1; /* RW */
806 unsigned long lock_manager_had_error_reply : 1; /* RW */
807 unsigned long put_had_error_reply : 1; /* RW */
808 unsigned long put_timeout : 1; /* RW */
809 unsigned long sb_activation_overrun : 1; /* RW */
810 unsigned long completed_gb_activation_had_error_reply : 1; /* RW */
811 unsigned long completed_gb_activation_timeout : 1; /* RW */
812 unsigned long descriptor_buffer_0_parity : 1; /* RW */
813 unsigned long descriptor_buffer_1_parity : 1; /* RW */
814 unsigned long socket_destination_table_parity : 1; /* RW */
815 unsigned long bau_reply_payload_corruption : 1; /* RW */
816 unsigned long io_port_destination_table_parity : 1; /* RW */
817 unsigned long intd_soft_ack_timeout : 1; /* RW */
818 unsigned long int_rep_obese_msg : 1; /* RW */
819 unsigned long int_rep_command_err : 1; /* RW */
820 unsigned long int_timeout : 1; /* RW */
821 unsigned long rsvd_43_63 : 21; /* */
822 } s;
823};
824
825/* ========================================================================= */
826/* UVH_LOCAL_INT0_CONFIG */
827/* ========================================================================= */
828#define UVH_LOCAL_INT0_CONFIG 0x61000UL
829
830#define UVH_LOCAL_INT0_CONFIG_VECTOR_SHFT 0
831#define UVH_LOCAL_INT0_CONFIG_VECTOR_MASK 0x00000000000000ffUL
832#define UVH_LOCAL_INT0_CONFIG_DM_SHFT 8
833#define UVH_LOCAL_INT0_CONFIG_DM_MASK 0x0000000000000700UL
834#define UVH_LOCAL_INT0_CONFIG_DESTMODE_SHFT 11
835#define UVH_LOCAL_INT0_CONFIG_DESTMODE_MASK 0x0000000000000800UL
836#define UVH_LOCAL_INT0_CONFIG_STATUS_SHFT 12
837#define UVH_LOCAL_INT0_CONFIG_STATUS_MASK 0x0000000000001000UL
838#define UVH_LOCAL_INT0_CONFIG_P_SHFT 13
839#define UVH_LOCAL_INT0_CONFIG_P_MASK 0x0000000000002000UL
840#define UVH_LOCAL_INT0_CONFIG_T_SHFT 15
841#define UVH_LOCAL_INT0_CONFIG_T_MASK 0x0000000000008000UL
842#define UVH_LOCAL_INT0_CONFIG_M_SHFT 16
843#define UVH_LOCAL_INT0_CONFIG_M_MASK 0x0000000000010000UL
844#define UVH_LOCAL_INT0_CONFIG_APIC_ID_SHFT 32
845#define UVH_LOCAL_INT0_CONFIG_APIC_ID_MASK 0xffffffff00000000UL
846
847union uvh_local_int0_config_u {
848 unsigned long v;
849 struct uvh_local_int0_config_s {
850 unsigned long vector_ : 8; /* RW */
851 unsigned long dm : 3; /* RW */
852 unsigned long destmode : 1; /* RW */
853 unsigned long status : 1; /* RO */
854 unsigned long p : 1; /* RO */
855 unsigned long rsvd_14 : 1; /* */
856 unsigned long t : 1; /* RO */
857 unsigned long m : 1; /* RW */
858 unsigned long rsvd_17_31: 15; /* */
859 unsigned long apic_id : 32; /* RW */
860 } s;
861};
862
863/* ========================================================================= */
864/* UVH_LOCAL_INT0_ENABLE */
865/* ========================================================================= */
866#define UVH_LOCAL_INT0_ENABLE 0x65000UL
867
868#define UVH_LOCAL_INT0_ENABLE_LB_HCERR_SHFT 0
869#define UVH_LOCAL_INT0_ENABLE_LB_HCERR_MASK 0x0000000000000001UL
870#define UVH_LOCAL_INT0_ENABLE_GR0_HCERR_SHFT 1
871#define UVH_LOCAL_INT0_ENABLE_GR0_HCERR_MASK 0x0000000000000002UL
872#define UVH_LOCAL_INT0_ENABLE_GR1_HCERR_SHFT 2
873#define UVH_LOCAL_INT0_ENABLE_GR1_HCERR_MASK 0x0000000000000004UL
874#define UVH_LOCAL_INT0_ENABLE_LH_HCERR_SHFT 3
875#define UVH_LOCAL_INT0_ENABLE_LH_HCERR_MASK 0x0000000000000008UL
876#define UVH_LOCAL_INT0_ENABLE_RH_HCERR_SHFT 4
877#define UVH_LOCAL_INT0_ENABLE_RH_HCERR_MASK 0x0000000000000010UL
878#define UVH_LOCAL_INT0_ENABLE_XN_HCERR_SHFT 5
879#define UVH_LOCAL_INT0_ENABLE_XN_HCERR_MASK 0x0000000000000020UL
880#define UVH_LOCAL_INT0_ENABLE_SI_HCERR_SHFT 6
881#define UVH_LOCAL_INT0_ENABLE_SI_HCERR_MASK 0x0000000000000040UL
882#define UVH_LOCAL_INT0_ENABLE_LB_AOERR0_SHFT 7
883#define UVH_LOCAL_INT0_ENABLE_LB_AOERR0_MASK 0x0000000000000080UL
884#define UVH_LOCAL_INT0_ENABLE_GR0_AOERR0_SHFT 8
885#define UVH_LOCAL_INT0_ENABLE_GR0_AOERR0_MASK 0x0000000000000100UL
886#define UVH_LOCAL_INT0_ENABLE_GR1_AOERR0_SHFT 9
887#define UVH_LOCAL_INT0_ENABLE_GR1_AOERR0_MASK 0x0000000000000200UL
888#define UVH_LOCAL_INT0_ENABLE_LH_AOERR0_SHFT 10
889#define UVH_LOCAL_INT0_ENABLE_LH_AOERR0_MASK 0x0000000000000400UL
890#define UVH_LOCAL_INT0_ENABLE_RH_AOERR0_SHFT 11
891#define UVH_LOCAL_INT0_ENABLE_RH_AOERR0_MASK 0x0000000000000800UL
892#define UVH_LOCAL_INT0_ENABLE_XN_AOERR0_SHFT 12
893#define UVH_LOCAL_INT0_ENABLE_XN_AOERR0_MASK 0x0000000000001000UL
894#define UVH_LOCAL_INT0_ENABLE_SI_AOERR0_SHFT 13
895#define UVH_LOCAL_INT0_ENABLE_SI_AOERR0_MASK 0x0000000000002000UL
896#define UVH_LOCAL_INT0_ENABLE_LB_AOERR1_SHFT 14
897#define UVH_LOCAL_INT0_ENABLE_LB_AOERR1_MASK 0x0000000000004000UL
898#define UVH_LOCAL_INT0_ENABLE_GR0_AOERR1_SHFT 15
899#define UVH_LOCAL_INT0_ENABLE_GR0_AOERR1_MASK 0x0000000000008000UL
900#define UVH_LOCAL_INT0_ENABLE_GR1_AOERR1_SHFT 16
901#define UVH_LOCAL_INT0_ENABLE_GR1_AOERR1_MASK 0x0000000000010000UL
902#define UVH_LOCAL_INT0_ENABLE_LH_AOERR1_SHFT 17
903#define UVH_LOCAL_INT0_ENABLE_LH_AOERR1_MASK 0x0000000000020000UL
904#define UVH_LOCAL_INT0_ENABLE_RH_AOERR1_SHFT 18
905#define UVH_LOCAL_INT0_ENABLE_RH_AOERR1_MASK 0x0000000000040000UL
906#define UVH_LOCAL_INT0_ENABLE_XN_AOERR1_SHFT 19
907#define UVH_LOCAL_INT0_ENABLE_XN_AOERR1_MASK 0x0000000000080000UL
908#define UVH_LOCAL_INT0_ENABLE_SI_AOERR1_SHFT 20
909#define UVH_LOCAL_INT0_ENABLE_SI_AOERR1_MASK 0x0000000000100000UL
910#define UVH_LOCAL_INT0_ENABLE_RH_VPI_INT_SHFT 21
911#define UVH_LOCAL_INT0_ENABLE_RH_VPI_INT_MASK 0x0000000000200000UL
912#define UVH_LOCAL_INT0_ENABLE_SYSTEM_SHUTDOWN_INT_SHFT 22
913#define UVH_LOCAL_INT0_ENABLE_SYSTEM_SHUTDOWN_INT_MASK 0x0000000000400000UL
914#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_0_SHFT 23
915#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_0_MASK 0x0000000000800000UL
916#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_1_SHFT 24
917#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_1_MASK 0x0000000001000000UL
918#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_2_SHFT 25
919#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_2_MASK 0x0000000002000000UL
920#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_3_SHFT 26
921#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_3_MASK 0x0000000004000000UL
922#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_4_SHFT 27
923#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_4_MASK 0x0000000008000000UL
924#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_5_SHFT 28
925#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_5_MASK 0x0000000010000000UL
926#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_6_SHFT 29
927#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_6_MASK 0x0000000020000000UL
928#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_7_SHFT 30
929#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_7_MASK 0x0000000040000000UL
930#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_8_SHFT 31
931#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_8_MASK 0x0000000080000000UL
932#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_9_SHFT 32
933#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_9_MASK 0x0000000100000000UL
934#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_10_SHFT 33
935#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_10_MASK 0x0000000200000000UL
936#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_11_SHFT 34
937#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_11_MASK 0x0000000400000000UL
938#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_12_SHFT 35
939#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_12_MASK 0x0000000800000000UL
940#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_13_SHFT 36
941#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_13_MASK 0x0000001000000000UL
942#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_14_SHFT 37
943#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_14_MASK 0x0000002000000000UL
944#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_15_SHFT 38
945#define UVH_LOCAL_INT0_ENABLE_LB_IRQ_INT_15_MASK 0x0000004000000000UL
946#define UVH_LOCAL_INT0_ENABLE_L1_NMI_INT_SHFT 39
947#define UVH_LOCAL_INT0_ENABLE_L1_NMI_INT_MASK 0x0000008000000000UL
948#define UVH_LOCAL_INT0_ENABLE_STOP_CLOCK_SHFT 40
949#define UVH_LOCAL_INT0_ENABLE_STOP_CLOCK_MASK 0x0000010000000000UL
950#define UVH_LOCAL_INT0_ENABLE_ASIC_TO_L1_SHFT 41
951#define UVH_LOCAL_INT0_ENABLE_ASIC_TO_L1_MASK 0x0000020000000000UL
952#define UVH_LOCAL_INT0_ENABLE_L1_TO_ASIC_SHFT 42
953#define UVH_LOCAL_INT0_ENABLE_L1_TO_ASIC_MASK 0x0000040000000000UL
954#define UVH_LOCAL_INT0_ENABLE_LTC_INT_SHFT 43
955#define UVH_LOCAL_INT0_ENABLE_LTC_INT_MASK 0x0000080000000000UL
956#define UVH_LOCAL_INT0_ENABLE_LA_SEQ_TRIGGER_SHFT 44
957#define UVH_LOCAL_INT0_ENABLE_LA_SEQ_TRIGGER_MASK 0x0000100000000000UL
958
959union uvh_local_int0_enable_u {
960 unsigned long v;
961 struct uvh_local_int0_enable_s {
962 unsigned long lb_hcerr : 1; /* RW */
963 unsigned long gr0_hcerr : 1; /* RW */
964 unsigned long gr1_hcerr : 1; /* RW */
965 unsigned long lh_hcerr : 1; /* RW */
966 unsigned long rh_hcerr : 1; /* RW */
967 unsigned long xn_hcerr : 1; /* RW */
968 unsigned long si_hcerr : 1; /* RW */
969 unsigned long lb_aoerr0 : 1; /* RW */
970 unsigned long gr0_aoerr0 : 1; /* RW */
971 unsigned long gr1_aoerr0 : 1; /* RW */
972 unsigned long lh_aoerr0 : 1; /* RW */
973 unsigned long rh_aoerr0 : 1; /* RW */
974 unsigned long xn_aoerr0 : 1; /* RW */
975 unsigned long si_aoerr0 : 1; /* RW */
976 unsigned long lb_aoerr1 : 1; /* RW */
977 unsigned long gr0_aoerr1 : 1; /* RW */
978 unsigned long gr1_aoerr1 : 1; /* RW */
979 unsigned long lh_aoerr1 : 1; /* RW */
980 unsigned long rh_aoerr1 : 1; /* RW */
981 unsigned long xn_aoerr1 : 1; /* RW */
982 unsigned long si_aoerr1 : 1; /* RW */
983 unsigned long rh_vpi_int : 1; /* RW */
984 unsigned long system_shutdown_int : 1; /* RW */
985 unsigned long lb_irq_int_0 : 1; /* RW */
986 unsigned long lb_irq_int_1 : 1; /* RW */
987 unsigned long lb_irq_int_2 : 1; /* RW */
988 unsigned long lb_irq_int_3 : 1; /* RW */
989 unsigned long lb_irq_int_4 : 1; /* RW */
990 unsigned long lb_irq_int_5 : 1; /* RW */
991 unsigned long lb_irq_int_6 : 1; /* RW */
992 unsigned long lb_irq_int_7 : 1; /* RW */
993 unsigned long lb_irq_int_8 : 1; /* RW */
994 unsigned long lb_irq_int_9 : 1; /* RW */
995 unsigned long lb_irq_int_10 : 1; /* RW */
996 unsigned long lb_irq_int_11 : 1; /* RW */
997 unsigned long lb_irq_int_12 : 1; /* RW */
998 unsigned long lb_irq_int_13 : 1; /* RW */
999 unsigned long lb_irq_int_14 : 1; /* RW */
1000 unsigned long lb_irq_int_15 : 1; /* RW */
1001 unsigned long l1_nmi_int : 1; /* RW */
1002 unsigned long stop_clock : 1; /* RW */
1003 unsigned long asic_to_l1 : 1; /* RW */
1004 unsigned long l1_to_asic : 1; /* RW */
1005 unsigned long ltc_int : 1; /* RW */
1006 unsigned long la_seq_trigger : 1; /* RW */
1007 unsigned long rsvd_45_63 : 19; /* */
1008 } s;
1009};
1010
1011/* ========================================================================= */
1012/* UVH_NODE_ID */ 757/* UVH_NODE_ID */
1013/* ========================================================================= */ 758/* ========================================================================= */
1014#define UVH_NODE_ID 0x0UL 759#define UVH_NODE_ID 0x0UL
@@ -1112,26 +857,6 @@ union uvh_rh_gam_alias210_redirect_config_2_mmr_u {
1112}; 857};
1113 858
1114/* ========================================================================= */ 859/* ========================================================================= */
1115/* UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR */
1116/* ========================================================================= */
1117#define UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR 0x1600020UL
1118
1119#define UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_BASE_SHFT 26
1120#define UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_BASE_MASK 0x00003ffffc000000UL
1121#define UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_ENABLE_SHFT 63
1122#define UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_ENABLE_MASK 0x8000000000000000UL
1123
1124union uvh_rh_gam_cfg_overlay_config_mmr_u {
1125 unsigned long v;
1126 struct uvh_rh_gam_cfg_overlay_config_mmr_s {
1127 unsigned long rsvd_0_25: 26; /* */
1128 unsigned long base : 20; /* RW */
1129 unsigned long rsvd_46_62: 17; /* */
1130 unsigned long enable : 1; /* RW */
1131 } s;
1132};
1133
1134/* ========================================================================= */
1135/* UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR */ 860/* UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR */
1136/* ========================================================================= */ 861/* ========================================================================= */
1137#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL 862#define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL
@@ -1263,101 +988,6 @@ union uvh_rtc1_int_config_u {
1263}; 988};
1264 989
1265/* ========================================================================= */ 990/* ========================================================================= */
1266/* UVH_RTC2_INT_CONFIG */
1267/* ========================================================================= */
1268#define UVH_RTC2_INT_CONFIG 0x61600UL
1269
1270#define UVH_RTC2_INT_CONFIG_VECTOR_SHFT 0
1271#define UVH_RTC2_INT_CONFIG_VECTOR_MASK 0x00000000000000ffUL
1272#define UVH_RTC2_INT_CONFIG_DM_SHFT 8
1273#define UVH_RTC2_INT_CONFIG_DM_MASK 0x0000000000000700UL
1274#define UVH_RTC2_INT_CONFIG_DESTMODE_SHFT 11
1275#define UVH_RTC2_INT_CONFIG_DESTMODE_MASK 0x0000000000000800UL
1276#define UVH_RTC2_INT_CONFIG_STATUS_SHFT 12
1277#define UVH_RTC2_INT_CONFIG_STATUS_MASK 0x0000000000001000UL
1278#define UVH_RTC2_INT_CONFIG_P_SHFT 13
1279#define UVH_RTC2_INT_CONFIG_P_MASK 0x0000000000002000UL
1280#define UVH_RTC2_INT_CONFIG_T_SHFT 15
1281#define UVH_RTC2_INT_CONFIG_T_MASK 0x0000000000008000UL
1282#define UVH_RTC2_INT_CONFIG_M_SHFT 16
1283#define UVH_RTC2_INT_CONFIG_M_MASK 0x0000000000010000UL
1284#define UVH_RTC2_INT_CONFIG_APIC_ID_SHFT 32
1285#define UVH_RTC2_INT_CONFIG_APIC_ID_MASK 0xffffffff00000000UL
1286
1287union uvh_rtc2_int_config_u {
1288 unsigned long v;
1289 struct uvh_rtc2_int_config_s {
1290 unsigned long vector_ : 8; /* RW */
1291 unsigned long dm : 3; /* RW */
1292 unsigned long destmode : 1; /* RW */
1293 unsigned long status : 1; /* RO */
1294 unsigned long p : 1; /* RO */
1295 unsigned long rsvd_14 : 1; /* */
1296 unsigned long t : 1; /* RO */
1297 unsigned long m : 1; /* RW */
1298 unsigned long rsvd_17_31: 15; /* */
1299 unsigned long apic_id : 32; /* RW */
1300 } s;
1301};
1302
1303/* ========================================================================= */
1304/* UVH_RTC3_INT_CONFIG */
1305/* ========================================================================= */
1306#define UVH_RTC3_INT_CONFIG 0x61640UL
1307
1308#define UVH_RTC3_INT_CONFIG_VECTOR_SHFT 0
1309#define UVH_RTC3_INT_CONFIG_VECTOR_MASK 0x00000000000000ffUL
1310#define UVH_RTC3_INT_CONFIG_DM_SHFT 8
1311#define UVH_RTC3_INT_CONFIG_DM_MASK 0x0000000000000700UL
1312#define UVH_RTC3_INT_CONFIG_DESTMODE_SHFT 11
1313#define UVH_RTC3_INT_CONFIG_DESTMODE_MASK 0x0000000000000800UL
1314#define UVH_RTC3_INT_CONFIG_STATUS_SHFT 12
1315#define UVH_RTC3_INT_CONFIG_STATUS_MASK 0x0000000000001000UL
1316#define UVH_RTC3_INT_CONFIG_P_SHFT 13
1317#define UVH_RTC3_INT_CONFIG_P_MASK 0x0000000000002000UL
1318#define UVH_RTC3_INT_CONFIG_T_SHFT 15
1319#define UVH_RTC3_INT_CONFIG_T_MASK 0x0000000000008000UL
1320#define UVH_RTC3_INT_CONFIG_M_SHFT 16
1321#define UVH_RTC3_INT_CONFIG_M_MASK 0x0000000000010000UL
1322#define UVH_RTC3_INT_CONFIG_APIC_ID_SHFT 32
1323#define UVH_RTC3_INT_CONFIG_APIC_ID_MASK 0xffffffff00000000UL
1324
1325union uvh_rtc3_int_config_u {
1326 unsigned long v;
1327 struct uvh_rtc3_int_config_s {
1328 unsigned long vector_ : 8; /* RW */
1329 unsigned long dm : 3; /* RW */
1330 unsigned long destmode : 1; /* RW */
1331 unsigned long status : 1; /* RO */
1332 unsigned long p : 1; /* RO */
1333 unsigned long rsvd_14 : 1; /* */
1334 unsigned long t : 1; /* RO */
1335 unsigned long m : 1; /* RW */
1336 unsigned long rsvd_17_31: 15; /* */
1337 unsigned long apic_id : 32; /* RW */
1338 } s;
1339};
1340
1341/* ========================================================================= */
1342/* UVH_RTC_INC_RATIO */
1343/* ========================================================================= */
1344#define UVH_RTC_INC_RATIO 0x350000UL
1345
1346#define UVH_RTC_INC_RATIO_FRACTION_SHFT 0
1347#define UVH_RTC_INC_RATIO_FRACTION_MASK 0x00000000000fffffUL
1348#define UVH_RTC_INC_RATIO_RATIO_SHFT 20
1349#define UVH_RTC_INC_RATIO_RATIO_MASK 0x0000000000700000UL
1350
1351union uvh_rtc_inc_ratio_u {
1352 unsigned long v;
1353 struct uvh_rtc_inc_ratio_s {
1354 unsigned long fraction : 20; /* RW */
1355 unsigned long ratio : 3; /* RW */
1356 unsigned long rsvd_23_63: 41; /* */
1357 } s;
1358};
1359
1360/* ========================================================================= */
1361/* UVH_SI_ADDR_MAP_CONFIG */ 991/* UVH_SI_ADDR_MAP_CONFIG */
1362/* ========================================================================= */ 992/* ========================================================================= */
1363#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL 993#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL
diff --git a/arch/x86/include/asm/vmware.h b/arch/x86/include/asm/vmware.h
deleted file mode 100644
index e49ed6d2fd4e..000000000000
--- a/arch/x86/include/asm/vmware.h
+++ /dev/null
@@ -1,27 +0,0 @@
1/*
2 * Copyright (C) 2008, VMware, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12 * NON INFRINGEMENT. See the GNU General Public License for more
13 * details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 */
20#ifndef ASM_X86__VMWARE_H
21#define ASM_X86__VMWARE_H
22
23extern void vmware_platform_setup(void);
24extern int vmware_platform(void);
25extern void vmware_set_feature_bits(struct cpuinfo_x86 *c);
26
27#endif
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index ddc04ccad03b..2c4390cae228 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -37,8 +37,9 @@ extern int check_for_xstate(struct i387_fxsave_struct __user *buf,
37 void __user *fpstate, 37 void __user *fpstate,
38 struct _fpx_sw_bytes *sw); 38 struct _fpx_sw_bytes *sw);
39 39
40static inline int xrstor_checking(struct xsave_struct *fx) 40static inline int fpu_xrstor_checking(struct fpu *fpu)
41{ 41{
42 struct xsave_struct *fx = &fpu->state->xsave;
42 int err; 43 int err;
43 44
44 asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" 45 asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t"
@@ -110,12 +111,12 @@ static inline void xrstor_state(struct xsave_struct *fx, u64 mask)
110 : "memory"); 111 : "memory");
111} 112}
112 113
113static inline void xsave(struct task_struct *tsk) 114static inline void fpu_xsave(struct fpu *fpu)
114{ 115{
115 /* This, however, we can work around by forcing the compiler to select 116 /* This, however, we can work around by forcing the compiler to select
116 an addressing mode that doesn't require extended registers. */ 117 an addressing mode that doesn't require extended registers. */
117 __asm__ __volatile__(".byte " REX_PREFIX "0x0f,0xae,0x27" 118 __asm__ __volatile__(".byte " REX_PREFIX "0x0f,0xae,0x27"
118 : : "D" (&(tsk->thread.xstate->xsave)), 119 : : "D" (&(fpu->state->xsave)),
119 "a" (-1), "d"(-1) : "memory"); 120 "a" (-1), "d"(-1) : "memory");
120} 121}
121#endif 122#endif
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index cd40aba6aa95..9a5ed58f09dc 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -94,6 +94,53 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC;
94 94
95 95
96/* 96/*
97 * ISA irqs by default are the first 16 gsis but can be
98 * any gsi as specified by an interrupt source override.
99 */
100static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = {
101 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
102};
103
104static unsigned int gsi_to_irq(unsigned int gsi)
105{
106 unsigned int irq = gsi + NR_IRQS_LEGACY;
107 unsigned int i;
108
109 for (i = 0; i < NR_IRQS_LEGACY; i++) {
110 if (isa_irq_to_gsi[i] == gsi) {
111 return i;
112 }
113 }
114
115 /* Provide an identity mapping of gsi == irq
116 * except on truly weird platforms that have
117 * non isa irqs in the first 16 gsis.
118 */
119 if (gsi >= NR_IRQS_LEGACY)
120 irq = gsi;
121 else
122 irq = gsi_end + 1 + gsi;
123
124 return irq;
125}
126
127static u32 irq_to_gsi(int irq)
128{
129 unsigned int gsi;
130
131 if (irq < NR_IRQS_LEGACY)
132 gsi = isa_irq_to_gsi[irq];
133 else if (irq <= gsi_end)
134 gsi = irq;
135 else if (irq <= (gsi_end + NR_IRQS_LEGACY))
136 gsi = irq - gsi_end;
137 else
138 gsi = 0xffffffff;
139
140 return gsi;
141}
142
143/*
97 * Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END, 144 * Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END,
98 * to map the target physical address. The problem is that set_fixmap() 145 * to map the target physical address. The problem is that set_fixmap()
99 * provides a single page, and it is possible that the page is not 146 * provides a single page, and it is possible that the page is not
@@ -313,7 +360,7 @@ acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
313/* 360/*
314 * Parse Interrupt Source Override for the ACPI SCI 361 * Parse Interrupt Source Override for the ACPI SCI
315 */ 362 */
316static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) 363static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, u32 gsi)
317{ 364{
318 if (trigger == 0) /* compatible SCI trigger is level */ 365 if (trigger == 0) /* compatible SCI trigger is level */
319 trigger = 3; 366 trigger = 3;
@@ -333,7 +380,7 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
333 * If GSI is < 16, this will update its flags, 380 * If GSI is < 16, this will update its flags,
334 * else it will create a new mp_irqs[] entry. 381 * else it will create a new mp_irqs[] entry.
335 */ 382 */
336 mp_override_legacy_irq(gsi, polarity, trigger, gsi); 383 mp_override_legacy_irq(bus_irq, polarity, trigger, gsi);
337 384
338 /* 385 /*
339 * stash over-ride to indicate we've been here 386 * stash over-ride to indicate we've been here
@@ -357,9 +404,10 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
357 acpi_table_print_madt_entry(header); 404 acpi_table_print_madt_entry(header);
358 405
359 if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { 406 if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
360 acpi_sci_ioapic_setup(intsrc->global_irq, 407 acpi_sci_ioapic_setup(intsrc->source_irq,
361 intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, 408 intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
362 (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2); 409 (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
410 intsrc->global_irq);
363 return 0; 411 return 0;
364 } 412 }
365 413
@@ -448,7 +496,7 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
448 496
449int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) 497int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
450{ 498{
451 *irq = gsi; 499 *irq = gsi_to_irq(gsi);
452 500
453#ifdef CONFIG_X86_IO_APIC 501#ifdef CONFIG_X86_IO_APIC
454 if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) 502 if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
@@ -458,6 +506,14 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
458 return 0; 506 return 0;
459} 507}
460 508
509int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
510{
511 if (isa_irq >= 16)
512 return -1;
513 *gsi = irq_to_gsi(isa_irq);
514 return 0;
515}
516
461/* 517/*
462 * success: return IRQ number (>=0) 518 * success: return IRQ number (>=0)
463 * failure: return < 0 519 * failure: return < 0
@@ -482,7 +538,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
482 plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity); 538 plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity);
483 } 539 }
484#endif 540#endif
485 irq = plat_gsi; 541 irq = gsi_to_irq(plat_gsi);
486 542
487 return irq; 543 return irq;
488} 544}
@@ -867,29 +923,6 @@ static int __init acpi_parse_madt_lapic_entries(void)
867extern int es7000_plat; 923extern int es7000_plat;
868#endif 924#endif
869 925
870int __init acpi_probe_gsi(void)
871{
872 int idx;
873 int gsi;
874 int max_gsi = 0;
875
876 if (acpi_disabled)
877 return 0;
878
879 if (!acpi_ioapic)
880 return 0;
881
882 max_gsi = 0;
883 for (idx = 0; idx < nr_ioapics; idx++) {
884 gsi = mp_gsi_routing[idx].gsi_end;
885
886 if (gsi > max_gsi)
887 max_gsi = gsi;
888 }
889
890 return max_gsi + 1;
891}
892
893static void assign_to_mp_irq(struct mpc_intsrc *m, 926static void assign_to_mp_irq(struct mpc_intsrc *m,
894 struct mpc_intsrc *mp_irq) 927 struct mpc_intsrc *mp_irq)
895{ 928{
@@ -947,13 +980,13 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
947 mp_irq.dstirq = pin; /* INTIN# */ 980 mp_irq.dstirq = pin; /* INTIN# */
948 981
949 save_mp_irq(&mp_irq); 982 save_mp_irq(&mp_irq);
983
984 isa_irq_to_gsi[bus_irq] = gsi;
950} 985}
951 986
952void __init mp_config_acpi_legacy_irqs(void) 987void __init mp_config_acpi_legacy_irqs(void)
953{ 988{
954 int i; 989 int i;
955 int ioapic;
956 unsigned int dstapic;
957 struct mpc_intsrc mp_irq; 990 struct mpc_intsrc mp_irq;
958 991
959#if defined (CONFIG_MCA) || defined (CONFIG_EISA) 992#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
@@ -974,19 +1007,27 @@ void __init mp_config_acpi_legacy_irqs(void)
974#endif 1007#endif
975 1008
976 /* 1009 /*
977 * Locate the IOAPIC that manages the ISA IRQs (0-15).
978 */
979 ioapic = mp_find_ioapic(0);
980 if (ioapic < 0)
981 return;
982 dstapic = mp_ioapics[ioapic].apicid;
983
984 /*
985 * Use the default configuration for the IRQs 0-15. Unless 1010 * Use the default configuration for the IRQs 0-15. Unless
986 * overridden by (MADT) interrupt source override entries. 1011 * overridden by (MADT) interrupt source override entries.
987 */ 1012 */
988 for (i = 0; i < 16; i++) { 1013 for (i = 0; i < 16; i++) {
1014 int ioapic, pin;
1015 unsigned int dstapic;
989 int idx; 1016 int idx;
1017 u32 gsi;
1018
1019 /* Locate the gsi that irq i maps to. */
1020 if (acpi_isa_irq_to_gsi(i, &gsi))
1021 continue;
1022
1023 /*
1024 * Locate the IOAPIC that manages the ISA IRQ.
1025 */
1026 ioapic = mp_find_ioapic(gsi);
1027 if (ioapic < 0)
1028 continue;
1029 pin = mp_find_ioapic_pin(ioapic, gsi);
1030 dstapic = mp_ioapics[ioapic].apicid;
990 1031
991 for (idx = 0; idx < mp_irq_entries; idx++) { 1032 for (idx = 0; idx < mp_irq_entries; idx++) {
992 struct mpc_intsrc *irq = mp_irqs + idx; 1033 struct mpc_intsrc *irq = mp_irqs + idx;
@@ -996,7 +1037,7 @@ void __init mp_config_acpi_legacy_irqs(void)
996 break; 1037 break;
997 1038
998 /* Do we already have a mapping for this IOAPIC pin */ 1039 /* Do we already have a mapping for this IOAPIC pin */
999 if (irq->dstapic == dstapic && irq->dstirq == i) 1040 if (irq->dstapic == dstapic && irq->dstirq == pin)
1000 break; 1041 break;
1001 } 1042 }
1002 1043
@@ -1011,7 +1052,7 @@ void __init mp_config_acpi_legacy_irqs(void)
1011 mp_irq.dstapic = dstapic; 1052 mp_irq.dstapic = dstapic;
1012 mp_irq.irqtype = mp_INT; 1053 mp_irq.irqtype = mp_INT;
1013 mp_irq.srcbusirq = i; /* Identity mapped */ 1054 mp_irq.srcbusirq = i; /* Identity mapped */
1014 mp_irq.dstirq = i; 1055 mp_irq.dstirq = pin;
1015 1056
1016 save_mp_irq(&mp_irq); 1057 save_mp_irq(&mp_irq);
1017 } 1058 }
@@ -1076,11 +1117,6 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
1076 1117
1077 ioapic_pin = mp_find_ioapic_pin(ioapic, gsi); 1118 ioapic_pin = mp_find_ioapic_pin(ioapic, gsi);
1078 1119
1079#ifdef CONFIG_X86_32
1080 if (ioapic_renumber_irq)
1081 gsi = ioapic_renumber_irq(ioapic, gsi);
1082#endif
1083
1084 if (ioapic_pin > MP_MAX_IOAPIC_PIN) { 1120 if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
1085 printk(KERN_ERR "Invalid reference to IOAPIC pin " 1121 printk(KERN_ERR "Invalid reference to IOAPIC pin "
1086 "%d-%d\n", mp_ioapics[ioapic].apicid, 1122 "%d-%d\n", mp_ioapics[ioapic].apicid,
@@ -1094,7 +1130,7 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
1094 set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin, 1130 set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin,
1095 trigger == ACPI_EDGE_SENSITIVE ? 0 : 1, 1131 trigger == ACPI_EDGE_SENSITIVE ? 0 : 1,
1096 polarity == ACPI_ACTIVE_HIGH ? 0 : 1); 1132 polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
1097 io_apic_set_pci_routing(dev, gsi, &irq_attr); 1133 io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr);
1098 1134
1099 return gsi; 1135 return gsi;
1100} 1136}
@@ -1154,7 +1190,8 @@ static int __init acpi_parse_madt_ioapic_entries(void)
1154 * pretend we got one so we can set the SCI flags. 1190 * pretend we got one so we can set the SCI flags.
1155 */ 1191 */
1156 if (!acpi_sci_override_gsi) 1192 if (!acpi_sci_override_gsi)
1157 acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0); 1193 acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0,
1194 acpi_gbl_FADT.sci_interrupt);
1158 1195
1159 /* Fill in identity legacy mappings where no override */ 1196 /* Fill in identity legacy mappings where no override */
1160 mp_config_acpi_legacy_irqs(); 1197 mp_config_acpi_legacy_irqs();
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 1a160d5d44d0..70237732a6c7 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -194,7 +194,7 @@ static void __init_or_module add_nops(void *insns, unsigned int len)
194} 194}
195 195
196extern struct alt_instr __alt_instructions[], __alt_instructions_end[]; 196extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
197extern u8 *__smp_locks[], *__smp_locks_end[]; 197extern s32 __smp_locks[], __smp_locks_end[];
198static void *text_poke_early(void *addr, const void *opcode, size_t len); 198static void *text_poke_early(void *addr, const void *opcode, size_t len);
199 199
200/* Replace instructions with better alternatives for this CPU type. 200/* Replace instructions with better alternatives for this CPU type.
@@ -235,37 +235,41 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
235 235
236#ifdef CONFIG_SMP 236#ifdef CONFIG_SMP
237 237
238static void alternatives_smp_lock(u8 **start, u8 **end, u8 *text, u8 *text_end) 238static void alternatives_smp_lock(const s32 *start, const s32 *end,
239 u8 *text, u8 *text_end)
239{ 240{
240 u8 **ptr; 241 const s32 *poff;
241 242
242 mutex_lock(&text_mutex); 243 mutex_lock(&text_mutex);
243 for (ptr = start; ptr < end; ptr++) { 244 for (poff = start; poff < end; poff++) {
244 if (*ptr < text) 245 u8 *ptr = (u8 *)poff + *poff;
245 continue; 246
246 if (*ptr > text_end) 247 if (!*poff || ptr < text || ptr >= text_end)
247 continue; 248 continue;
248 /* turn DS segment override prefix into lock prefix */ 249 /* turn DS segment override prefix into lock prefix */
249 text_poke(*ptr, ((unsigned char []){0xf0}), 1); 250 if (*ptr == 0x3e)
251 text_poke(ptr, ((unsigned char []){0xf0}), 1);
250 }; 252 };
251 mutex_unlock(&text_mutex); 253 mutex_unlock(&text_mutex);
252} 254}
253 255
254static void alternatives_smp_unlock(u8 **start, u8 **end, u8 *text, u8 *text_end) 256static void alternatives_smp_unlock(const s32 *start, const s32 *end,
257 u8 *text, u8 *text_end)
255{ 258{
256 u8 **ptr; 259 const s32 *poff;
257 260
258 if (noreplace_smp) 261 if (noreplace_smp)
259 return; 262 return;
260 263
261 mutex_lock(&text_mutex); 264 mutex_lock(&text_mutex);
262 for (ptr = start; ptr < end; ptr++) { 265 for (poff = start; poff < end; poff++) {
263 if (*ptr < text) 266 u8 *ptr = (u8 *)poff + *poff;
264 continue; 267
265 if (*ptr > text_end) 268 if (!*poff || ptr < text || ptr >= text_end)
266 continue; 269 continue;
267 /* turn lock prefix into DS segment override prefix */ 270 /* turn lock prefix into DS segment override prefix */
268 text_poke(*ptr, ((unsigned char []){0x3E}), 1); 271 if (*ptr == 0xf0)
272 text_poke(ptr, ((unsigned char []){0x3E}), 1);
269 }; 273 };
270 mutex_unlock(&text_mutex); 274 mutex_unlock(&text_mutex);
271} 275}
@@ -276,8 +280,8 @@ struct smp_alt_module {
276 char *name; 280 char *name;
277 281
278 /* ptrs to lock prefixes */ 282 /* ptrs to lock prefixes */
279 u8 **locks; 283 const s32 *locks;
280 u8 **locks_end; 284 const s32 *locks_end;
281 285
282 /* .text segment, needed to avoid patching init code ;) */ 286 /* .text segment, needed to avoid patching init code ;) */
283 u8 *text; 287 u8 *text;
@@ -398,16 +402,19 @@ void alternatives_smp_switch(int smp)
398int alternatives_text_reserved(void *start, void *end) 402int alternatives_text_reserved(void *start, void *end)
399{ 403{
400 struct smp_alt_module *mod; 404 struct smp_alt_module *mod;
401 u8 **ptr; 405 const s32 *poff;
402 u8 *text_start = start; 406 u8 *text_start = start;
403 u8 *text_end = end; 407 u8 *text_end = end;
404 408
405 list_for_each_entry(mod, &smp_alt_modules, next) { 409 list_for_each_entry(mod, &smp_alt_modules, next) {
406 if (mod->text > text_end || mod->text_end < text_start) 410 if (mod->text > text_end || mod->text_end < text_start)
407 continue; 411 continue;
408 for (ptr = mod->locks; ptr < mod->locks_end; ptr++) 412 for (poff = mod->locks; poff < mod->locks_end; poff++) {
409 if (text_start <= *ptr && text_end >= *ptr) 413 const u8 *ptr = (const u8 *)poff + *poff;
414
415 if (text_start <= ptr && text_end > ptr)
410 return 1; 416 return 1;
417 }
411 } 418 }
412 419
413 return 0; 420 return 0;
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index f854d89b7edf..fa5a1474cd18 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -731,18 +731,22 @@ static bool increase_address_space(struct protection_domain *domain,
731 731
732static u64 *alloc_pte(struct protection_domain *domain, 732static u64 *alloc_pte(struct protection_domain *domain,
733 unsigned long address, 733 unsigned long address,
734 int end_lvl, 734 unsigned long page_size,
735 u64 **pte_page, 735 u64 **pte_page,
736 gfp_t gfp) 736 gfp_t gfp)
737{ 737{
738 int level, end_lvl;
738 u64 *pte, *page; 739 u64 *pte, *page;
739 int level; 740
741 BUG_ON(!is_power_of_2(page_size));
740 742
741 while (address > PM_LEVEL_SIZE(domain->mode)) 743 while (address > PM_LEVEL_SIZE(domain->mode))
742 increase_address_space(domain, gfp); 744 increase_address_space(domain, gfp);
743 745
744 level = domain->mode - 1; 746 level = domain->mode - 1;
745 pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)]; 747 pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)];
748 address = PAGE_SIZE_ALIGN(address, page_size);
749 end_lvl = PAGE_SIZE_LEVEL(page_size);
746 750
747 while (level > end_lvl) { 751 while (level > end_lvl) {
748 if (!IOMMU_PTE_PRESENT(*pte)) { 752 if (!IOMMU_PTE_PRESENT(*pte)) {
@@ -752,6 +756,10 @@ static u64 *alloc_pte(struct protection_domain *domain,
752 *pte = PM_LEVEL_PDE(level, virt_to_phys(page)); 756 *pte = PM_LEVEL_PDE(level, virt_to_phys(page));
753 } 757 }
754 758
759 /* No level skipping support yet */
760 if (PM_PTE_LEVEL(*pte) != level)
761 return NULL;
762
755 level -= 1; 763 level -= 1;
756 764
757 pte = IOMMU_PTE_PAGE(*pte); 765 pte = IOMMU_PTE_PAGE(*pte);
@@ -769,28 +777,47 @@ static u64 *alloc_pte(struct protection_domain *domain,
769 * This function checks if there is a PTE for a given dma address. If 777 * This function checks if there is a PTE for a given dma address. If
770 * there is one, it returns the pointer to it. 778 * there is one, it returns the pointer to it.
771 */ 779 */
772static u64 *fetch_pte(struct protection_domain *domain, 780static u64 *fetch_pte(struct protection_domain *domain, unsigned long address)
773 unsigned long address, int map_size)
774{ 781{
775 int level; 782 int level;
776 u64 *pte; 783 u64 *pte;
777 784
778 level = domain->mode - 1; 785 if (address > PM_LEVEL_SIZE(domain->mode))
779 pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)]; 786 return NULL;
787
788 level = domain->mode - 1;
789 pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)];
780 790
781 while (level > map_size) { 791 while (level > 0) {
792
793 /* Not Present */
782 if (!IOMMU_PTE_PRESENT(*pte)) 794 if (!IOMMU_PTE_PRESENT(*pte))
783 return NULL; 795 return NULL;
784 796
797 /* Large PTE */
798 if (PM_PTE_LEVEL(*pte) == 0x07) {
799 unsigned long pte_mask, __pte;
800
801 /*
802 * If we have a series of large PTEs, make
803 * sure to return a pointer to the first one.
804 */
805 pte_mask = PTE_PAGE_SIZE(*pte);
806 pte_mask = ~((PAGE_SIZE_PTE_COUNT(pte_mask) << 3) - 1);
807 __pte = ((unsigned long)pte) & pte_mask;
808
809 return (u64 *)__pte;
810 }
811
812 /* No level skipping support yet */
813 if (PM_PTE_LEVEL(*pte) != level)
814 return NULL;
815
785 level -= 1; 816 level -= 1;
786 817
818 /* Walk to the next level */
787 pte = IOMMU_PTE_PAGE(*pte); 819 pte = IOMMU_PTE_PAGE(*pte);
788 pte = &pte[PM_LEVEL_INDEX(level, address)]; 820 pte = &pte[PM_LEVEL_INDEX(level, address)];
789
790 if ((PM_PTE_LEVEL(*pte) == 0) && level != map_size) {
791 pte = NULL;
792 break;
793 }
794 } 821 }
795 822
796 return pte; 823 return pte;
@@ -807,44 +834,84 @@ static int iommu_map_page(struct protection_domain *dom,
807 unsigned long bus_addr, 834 unsigned long bus_addr,
808 unsigned long phys_addr, 835 unsigned long phys_addr,
809 int prot, 836 int prot,
810 int map_size) 837 unsigned long page_size)
811{ 838{
812 u64 __pte, *pte; 839 u64 __pte, *pte;
813 840 int i, count;
814 bus_addr = PAGE_ALIGN(bus_addr);
815 phys_addr = PAGE_ALIGN(phys_addr);
816
817 BUG_ON(!PM_ALIGNED(map_size, bus_addr));
818 BUG_ON(!PM_ALIGNED(map_size, phys_addr));
819 841
820 if (!(prot & IOMMU_PROT_MASK)) 842 if (!(prot & IOMMU_PROT_MASK))
821 return -EINVAL; 843 return -EINVAL;
822 844
823 pte = alloc_pte(dom, bus_addr, map_size, NULL, GFP_KERNEL); 845 bus_addr = PAGE_ALIGN(bus_addr);
846 phys_addr = PAGE_ALIGN(phys_addr);
847 count = PAGE_SIZE_PTE_COUNT(page_size);
848 pte = alloc_pte(dom, bus_addr, page_size, NULL, GFP_KERNEL);
849
850 for (i = 0; i < count; ++i)
851 if (IOMMU_PTE_PRESENT(pte[i]))
852 return -EBUSY;
824 853
825 if (IOMMU_PTE_PRESENT(*pte)) 854 if (page_size > PAGE_SIZE) {
826 return -EBUSY; 855 __pte = PAGE_SIZE_PTE(phys_addr, page_size);
856 __pte |= PM_LEVEL_ENC(7) | IOMMU_PTE_P | IOMMU_PTE_FC;
857 } else
858 __pte = phys_addr | IOMMU_PTE_P | IOMMU_PTE_FC;
827 859
828 __pte = phys_addr | IOMMU_PTE_P;
829 if (prot & IOMMU_PROT_IR) 860 if (prot & IOMMU_PROT_IR)
830 __pte |= IOMMU_PTE_IR; 861 __pte |= IOMMU_PTE_IR;
831 if (prot & IOMMU_PROT_IW) 862 if (prot & IOMMU_PROT_IW)
832 __pte |= IOMMU_PTE_IW; 863 __pte |= IOMMU_PTE_IW;
833 864
834 *pte = __pte; 865 for (i = 0; i < count; ++i)
866 pte[i] = __pte;
835 867
836 update_domain(dom); 868 update_domain(dom);
837 869
838 return 0; 870 return 0;
839} 871}
840 872
841static void iommu_unmap_page(struct protection_domain *dom, 873static unsigned long iommu_unmap_page(struct protection_domain *dom,
842 unsigned long bus_addr, int map_size) 874 unsigned long bus_addr,
875 unsigned long page_size)
843{ 876{
844 u64 *pte = fetch_pte(dom, bus_addr, map_size); 877 unsigned long long unmap_size, unmapped;
878 u64 *pte;
879
880 BUG_ON(!is_power_of_2(page_size));
881
882 unmapped = 0;
845 883
846 if (pte) 884 while (unmapped < page_size) {
847 *pte = 0; 885
886 pte = fetch_pte(dom, bus_addr);
887
888 if (!pte) {
889 /*
890 * No PTE for this address
891 * move forward in 4kb steps
892 */
893 unmap_size = PAGE_SIZE;
894 } else if (PM_PTE_LEVEL(*pte) == 0) {
895 /* 4kb PTE found for this address */
896 unmap_size = PAGE_SIZE;
897 *pte = 0ULL;
898 } else {
899 int count, i;
900
901 /* Large PTE found which maps this address */
902 unmap_size = PTE_PAGE_SIZE(*pte);
903 count = PAGE_SIZE_PTE_COUNT(unmap_size);
904 for (i = 0; i < count; i++)
905 pte[i] = 0ULL;
906 }
907
908 bus_addr = (bus_addr & ~(unmap_size - 1)) + unmap_size;
909 unmapped += unmap_size;
910 }
911
912 BUG_ON(!is_power_of_2(unmapped));
913
914 return unmapped;
848} 915}
849 916
850/* 917/*
@@ -878,7 +945,7 @@ static int dma_ops_unity_map(struct dma_ops_domain *dma_dom,
878 for (addr = e->address_start; addr < e->address_end; 945 for (addr = e->address_start; addr < e->address_end;
879 addr += PAGE_SIZE) { 946 addr += PAGE_SIZE) {
880 ret = iommu_map_page(&dma_dom->domain, addr, addr, e->prot, 947 ret = iommu_map_page(&dma_dom->domain, addr, addr, e->prot,
881 PM_MAP_4k); 948 PAGE_SIZE);
882 if (ret) 949 if (ret)
883 return ret; 950 return ret;
884 /* 951 /*
@@ -1006,7 +1073,7 @@ static int alloc_new_range(struct dma_ops_domain *dma_dom,
1006 u64 *pte, *pte_page; 1073 u64 *pte, *pte_page;
1007 1074
1008 for (i = 0; i < num_ptes; ++i) { 1075 for (i = 0; i < num_ptes; ++i) {
1009 pte = alloc_pte(&dma_dom->domain, address, PM_MAP_4k, 1076 pte = alloc_pte(&dma_dom->domain, address, PAGE_SIZE,
1010 &pte_page, gfp); 1077 &pte_page, gfp);
1011 if (!pte) 1078 if (!pte)
1012 goto out_free; 1079 goto out_free;
@@ -1042,7 +1109,7 @@ static int alloc_new_range(struct dma_ops_domain *dma_dom,
1042 for (i = dma_dom->aperture[index]->offset; 1109 for (i = dma_dom->aperture[index]->offset;
1043 i < dma_dom->aperture_size; 1110 i < dma_dom->aperture_size;
1044 i += PAGE_SIZE) { 1111 i += PAGE_SIZE) {
1045 u64 *pte = fetch_pte(&dma_dom->domain, i, PM_MAP_4k); 1112 u64 *pte = fetch_pte(&dma_dom->domain, i);
1046 if (!pte || !IOMMU_PTE_PRESENT(*pte)) 1113 if (!pte || !IOMMU_PTE_PRESENT(*pte))
1047 continue; 1114 continue;
1048 1115
@@ -1712,7 +1779,7 @@ static u64* dma_ops_get_pte(struct dma_ops_domain *dom,
1712 1779
1713 pte = aperture->pte_pages[APERTURE_PAGE_INDEX(address)]; 1780 pte = aperture->pte_pages[APERTURE_PAGE_INDEX(address)];
1714 if (!pte) { 1781 if (!pte) {
1715 pte = alloc_pte(&dom->domain, address, PM_MAP_4k, &pte_page, 1782 pte = alloc_pte(&dom->domain, address, PAGE_SIZE, &pte_page,
1716 GFP_ATOMIC); 1783 GFP_ATOMIC);
1717 aperture->pte_pages[APERTURE_PAGE_INDEX(address)] = pte_page; 1784 aperture->pte_pages[APERTURE_PAGE_INDEX(address)] = pte_page;
1718 } else 1785 } else
@@ -2439,12 +2506,11 @@ static int amd_iommu_attach_device(struct iommu_domain *dom,
2439 return ret; 2506 return ret;
2440} 2507}
2441 2508
2442static int amd_iommu_map_range(struct iommu_domain *dom, 2509static int amd_iommu_map(struct iommu_domain *dom, unsigned long iova,
2443 unsigned long iova, phys_addr_t paddr, 2510 phys_addr_t paddr, int gfp_order, int iommu_prot)
2444 size_t size, int iommu_prot)
2445{ 2511{
2512 unsigned long page_size = 0x1000UL << gfp_order;
2446 struct protection_domain *domain = dom->priv; 2513 struct protection_domain *domain = dom->priv;
2447 unsigned long i, npages = iommu_num_pages(paddr, size, PAGE_SIZE);
2448 int prot = 0; 2514 int prot = 0;
2449 int ret; 2515 int ret;
2450 2516
@@ -2453,61 +2519,50 @@ static int amd_iommu_map_range(struct iommu_domain *dom,
2453 if (iommu_prot & IOMMU_WRITE) 2519 if (iommu_prot & IOMMU_WRITE)
2454 prot |= IOMMU_PROT_IW; 2520 prot |= IOMMU_PROT_IW;
2455 2521
2456 iova &= PAGE_MASK;
2457 paddr &= PAGE_MASK;
2458
2459 mutex_lock(&domain->api_lock); 2522 mutex_lock(&domain->api_lock);
2460 2523 ret = iommu_map_page(domain, iova, paddr, prot, page_size);
2461 for (i = 0; i < npages; ++i) {
2462 ret = iommu_map_page(domain, iova, paddr, prot, PM_MAP_4k);
2463 if (ret)
2464 return ret;
2465
2466 iova += PAGE_SIZE;
2467 paddr += PAGE_SIZE;
2468 }
2469
2470 mutex_unlock(&domain->api_lock); 2524 mutex_unlock(&domain->api_lock);
2471 2525
2472 return 0; 2526 return ret;
2473} 2527}
2474 2528
2475static void amd_iommu_unmap_range(struct iommu_domain *dom, 2529static int amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova,
2476 unsigned long iova, size_t size) 2530 int gfp_order)
2477{ 2531{
2478
2479 struct protection_domain *domain = dom->priv; 2532 struct protection_domain *domain = dom->priv;
2480 unsigned long i, npages = iommu_num_pages(iova, size, PAGE_SIZE); 2533 unsigned long page_size, unmap_size;
2481 2534
2482 iova &= PAGE_MASK; 2535 page_size = 0x1000UL << gfp_order;
2483 2536
2484 mutex_lock(&domain->api_lock); 2537 mutex_lock(&domain->api_lock);
2485 2538 unmap_size = iommu_unmap_page(domain, iova, page_size);
2486 for (i = 0; i < npages; ++i) { 2539 mutex_unlock(&domain->api_lock);
2487 iommu_unmap_page(domain, iova, PM_MAP_4k);
2488 iova += PAGE_SIZE;
2489 }
2490 2540
2491 iommu_flush_tlb_pde(domain); 2541 iommu_flush_tlb_pde(domain);
2492 2542
2493 mutex_unlock(&domain->api_lock); 2543 return get_order(unmap_size);
2494} 2544}
2495 2545
2496static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom, 2546static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,
2497 unsigned long iova) 2547 unsigned long iova)
2498{ 2548{
2499 struct protection_domain *domain = dom->priv; 2549 struct protection_domain *domain = dom->priv;
2500 unsigned long offset = iova & ~PAGE_MASK; 2550 unsigned long offset_mask;
2501 phys_addr_t paddr; 2551 phys_addr_t paddr;
2502 u64 *pte; 2552 u64 *pte, __pte;
2503 2553
2504 pte = fetch_pte(domain, iova, PM_MAP_4k); 2554 pte = fetch_pte(domain, iova);
2505 2555
2506 if (!pte || !IOMMU_PTE_PRESENT(*pte)) 2556 if (!pte || !IOMMU_PTE_PRESENT(*pte))
2507 return 0; 2557 return 0;
2508 2558
2509 paddr = *pte & IOMMU_PAGE_MASK; 2559 if (PM_PTE_LEVEL(*pte) == 0)
2510 paddr |= offset; 2560 offset_mask = PAGE_SIZE - 1;
2561 else
2562 offset_mask = PTE_PAGE_SIZE(*pte) - 1;
2563
2564 __pte = *pte & PM_ADDR_MASK;
2565 paddr = (__pte & ~offset_mask) | (iova & offset_mask);
2511 2566
2512 return paddr; 2567 return paddr;
2513} 2568}
@@ -2523,8 +2578,8 @@ static struct iommu_ops amd_iommu_ops = {
2523 .domain_destroy = amd_iommu_domain_destroy, 2578 .domain_destroy = amd_iommu_domain_destroy,
2524 .attach_dev = amd_iommu_attach_device, 2579 .attach_dev = amd_iommu_attach_device,
2525 .detach_dev = amd_iommu_detach_device, 2580 .detach_dev = amd_iommu_detach_device,
2526 .map = amd_iommu_map_range, 2581 .map = amd_iommu_map,
2527 .unmap = amd_iommu_unmap_range, 2582 .unmap = amd_iommu_unmap,
2528 .iova_to_phys = amd_iommu_iova_to_phys, 2583 .iova_to_phys = amd_iommu_iova_to_phys,
2529 .domain_has_cap = amd_iommu_domain_has_cap, 2584 .domain_has_cap = amd_iommu_domain_has_cap,
2530}; 2585};
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 6360abf993d4..3bacb4d0844c 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -120,6 +120,7 @@ struct ivmd_header {
120bool amd_iommu_dump; 120bool amd_iommu_dump;
121 121
122static int __initdata amd_iommu_detected; 122static int __initdata amd_iommu_detected;
123static bool __initdata amd_iommu_disabled;
123 124
124u16 amd_iommu_last_bdf; /* largest PCI device id we have 125u16 amd_iommu_last_bdf; /* largest PCI device id we have
125 to handle */ 126 to handle */
@@ -1372,6 +1373,9 @@ void __init amd_iommu_detect(void)
1372 if (no_iommu || (iommu_detected && !gart_iommu_aperture)) 1373 if (no_iommu || (iommu_detected && !gart_iommu_aperture))
1373 return; 1374 return;
1374 1375
1376 if (amd_iommu_disabled)
1377 return;
1378
1375 if (acpi_table_parse("IVRS", early_amd_iommu_detect) == 0) { 1379 if (acpi_table_parse("IVRS", early_amd_iommu_detect) == 0) {
1376 iommu_detected = 1; 1380 iommu_detected = 1;
1377 amd_iommu_detected = 1; 1381 amd_iommu_detected = 1;
@@ -1401,6 +1405,8 @@ static int __init parse_amd_iommu_options(char *str)
1401 for (; *str; ++str) { 1405 for (; *str; ++str) {
1402 if (strncmp(str, "fullflush", 9) == 0) 1406 if (strncmp(str, "fullflush", 9) == 0)
1403 amd_iommu_unmap_flush = true; 1407 amd_iommu_unmap_flush = true;
1408 if (strncmp(str, "off", 3) == 0)
1409 amd_iommu_disabled = true;
1404 } 1410 }
1405 1411
1406 return 1; 1412 return 1;
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 03ba1b895f5e..425e53a87feb 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -131,24 +131,6 @@ int es7000_plat;
131 131
132static unsigned int base; 132static unsigned int base;
133 133
134static int
135es7000_rename_gsi(int ioapic, int gsi)
136{
137 if (es7000_plat == ES7000_ZORRO)
138 return gsi;
139
140 if (!base) {
141 int i;
142 for (i = 0; i < nr_ioapics; i++)
143 base += nr_ioapic_registers[i];
144 }
145
146 if (!ioapic && (gsi < 16))
147 gsi += base;
148
149 return gsi;
150}
151
152static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip) 134static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
153{ 135{
154 unsigned long vect = 0, psaival = 0; 136 unsigned long vect = 0, psaival = 0;
@@ -190,7 +172,6 @@ static void setup_unisys(void)
190 es7000_plat = ES7000_ZORRO; 172 es7000_plat = ES7000_ZORRO;
191 else 173 else
192 es7000_plat = ES7000_CLASSIC; 174 es7000_plat = ES7000_CLASSIC;
193 ioapic_renumber_irq = es7000_rename_gsi;
194} 175}
195 176
196/* 177/*
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index eb2789c3f721..33f3563a2a52 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -89,6 +89,9 @@ int nr_ioapics;
89/* IO APIC gsi routing info */ 89/* IO APIC gsi routing info */
90struct mp_ioapic_gsi mp_gsi_routing[MAX_IO_APICS]; 90struct mp_ioapic_gsi mp_gsi_routing[MAX_IO_APICS];
91 91
92/* The last gsi number used */
93u32 gsi_end;
94
92/* MP IRQ source entries */ 95/* MP IRQ source entries */
93struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES]; 96struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
94 97
@@ -1013,10 +1016,9 @@ static inline int irq_trigger(int idx)
1013 return MPBIOS_trigger(idx); 1016 return MPBIOS_trigger(idx);
1014} 1017}
1015 1018
1016int (*ioapic_renumber_irq)(int ioapic, int irq);
1017static int pin_2_irq(int idx, int apic, int pin) 1019static int pin_2_irq(int idx, int apic, int pin)
1018{ 1020{
1019 int irq, i; 1021 int irq;
1020 int bus = mp_irqs[idx].srcbus; 1022 int bus = mp_irqs[idx].srcbus;
1021 1023
1022 /* 1024 /*
@@ -1028,18 +1030,12 @@ static int pin_2_irq(int idx, int apic, int pin)
1028 if (test_bit(bus, mp_bus_not_pci)) { 1030 if (test_bit(bus, mp_bus_not_pci)) {
1029 irq = mp_irqs[idx].srcbusirq; 1031 irq = mp_irqs[idx].srcbusirq;
1030 } else { 1032 } else {
1031 /* 1033 u32 gsi = mp_gsi_routing[apic].gsi_base + pin;
1032 * PCI IRQs are mapped in order 1034
1033 */ 1035 if (gsi >= NR_IRQS_LEGACY)
1034 i = irq = 0; 1036 irq = gsi;
1035 while (i < apic) 1037 else
1036 irq += nr_ioapic_registers[i++]; 1038 irq = gsi_end + 1 + gsi;
1037 irq += pin;
1038 /*
1039 * For MPS mode, so far only needed by ES7000 platform
1040 */
1041 if (ioapic_renumber_irq)
1042 irq = ioapic_renumber_irq(apic, irq);
1043 } 1039 }
1044 1040
1045#ifdef CONFIG_X86_32 1041#ifdef CONFIG_X86_32
@@ -1950,20 +1946,8 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
1950 1946
1951void __init enable_IO_APIC(void) 1947void __init enable_IO_APIC(void)
1952{ 1948{
1953 union IO_APIC_reg_01 reg_01;
1954 int i8259_apic, i8259_pin; 1949 int i8259_apic, i8259_pin;
1955 int apic; 1950 int apic;
1956 unsigned long flags;
1957
1958 /*
1959 * The number of IO-APIC IRQ registers (== #pins):
1960 */
1961 for (apic = 0; apic < nr_ioapics; apic++) {
1962 raw_spin_lock_irqsave(&ioapic_lock, flags);
1963 reg_01.raw = io_apic_read(apic, 1);
1964 raw_spin_unlock_irqrestore(&ioapic_lock, flags);
1965 nr_ioapic_registers[apic] = reg_01.bits.entries+1;
1966 }
1967 1951
1968 if (!legacy_pic->nr_legacy_irqs) 1952 if (!legacy_pic->nr_legacy_irqs)
1969 return; 1953 return;
@@ -3858,27 +3842,20 @@ int __init io_apic_get_redir_entries (int ioapic)
3858 reg_01.raw = io_apic_read(ioapic, 1); 3842 reg_01.raw = io_apic_read(ioapic, 1);
3859 raw_spin_unlock_irqrestore(&ioapic_lock, flags); 3843 raw_spin_unlock_irqrestore(&ioapic_lock, flags);
3860 3844
3861 return reg_01.bits.entries; 3845 /* The register returns the maximum index redir index
3846 * supported, which is one less than the total number of redir
3847 * entries.
3848 */
3849 return reg_01.bits.entries + 1;
3862} 3850}
3863 3851
3864void __init probe_nr_irqs_gsi(void) 3852void __init probe_nr_irqs_gsi(void)
3865{ 3853{
3866 int nr = 0; 3854 int nr;
3867 3855
3868 nr = acpi_probe_gsi(); 3856 nr = gsi_end + 1 + NR_IRQS_LEGACY;
3869 if (nr > nr_irqs_gsi) { 3857 if (nr > nr_irqs_gsi)
3870 nr_irqs_gsi = nr; 3858 nr_irqs_gsi = nr;
3871 } else {
3872 /* for acpi=off or acpi is not compiled in */
3873 int idx;
3874
3875 nr = 0;
3876 for (idx = 0; idx < nr_ioapics; idx++)
3877 nr += io_apic_get_redir_entries(idx) + 1;
3878
3879 if (nr > nr_irqs_gsi)
3880 nr_irqs_gsi = nr;
3881 }
3882 3859
3883 printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi); 3860 printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi);
3884} 3861}
@@ -4085,22 +4062,27 @@ int __init io_apic_get_version(int ioapic)
4085 return reg_01.bits.version; 4062 return reg_01.bits.version;
4086} 4063}
4087 4064
4088int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) 4065int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
4089{ 4066{
4090 int i; 4067 int ioapic, pin, idx;
4091 4068
4092 if (skip_ioapic_setup) 4069 if (skip_ioapic_setup)
4093 return -1; 4070 return -1;
4094 4071
4095 for (i = 0; i < mp_irq_entries; i++) 4072 ioapic = mp_find_ioapic(gsi);
4096 if (mp_irqs[i].irqtype == mp_INT && 4073 if (ioapic < 0)
4097 mp_irqs[i].srcbusirq == bus_irq)
4098 break;
4099 if (i >= mp_irq_entries)
4100 return -1; 4074 return -1;
4101 4075
4102 *trigger = irq_trigger(i); 4076 pin = mp_find_ioapic_pin(ioapic, gsi);
4103 *polarity = irq_polarity(i); 4077 if (pin < 0)
4078 return -1;
4079
4080 idx = find_irq_entry(ioapic, pin, mp_INT);
4081 if (idx < 0)
4082 return -1;
4083
4084 *trigger = irq_trigger(idx);
4085 *polarity = irq_polarity(idx);
4104 return 0; 4086 return 0;
4105} 4087}
4106 4088
@@ -4241,7 +4223,7 @@ void __init ioapic_insert_resources(void)
4241 } 4223 }
4242} 4224}
4243 4225
4244int mp_find_ioapic(int gsi) 4226int mp_find_ioapic(u32 gsi)
4245{ 4227{
4246 int i = 0; 4228 int i = 0;
4247 4229
@@ -4256,7 +4238,7 @@ int mp_find_ioapic(int gsi)
4256 return -1; 4238 return -1;
4257} 4239}
4258 4240
4259int mp_find_ioapic_pin(int ioapic, int gsi) 4241int mp_find_ioapic_pin(int ioapic, u32 gsi)
4260{ 4242{
4261 if (WARN_ON(ioapic == -1)) 4243 if (WARN_ON(ioapic == -1))
4262 return -1; 4244 return -1;
@@ -4284,6 +4266,7 @@ static int bad_ioapic(unsigned long address)
4284void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) 4266void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
4285{ 4267{
4286 int idx = 0; 4268 int idx = 0;
4269 int entries;
4287 4270
4288 if (bad_ioapic(address)) 4271 if (bad_ioapic(address))
4289 return; 4272 return;
@@ -4302,9 +4285,17 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
4302 * Build basic GSI lookup table to facilitate gsi->io_apic lookups 4285 * Build basic GSI lookup table to facilitate gsi->io_apic lookups
4303 * and to prevent reprogramming of IOAPIC pins (PCI GSIs). 4286 * and to prevent reprogramming of IOAPIC pins (PCI GSIs).
4304 */ 4287 */
4288 entries = io_apic_get_redir_entries(idx);
4305 mp_gsi_routing[idx].gsi_base = gsi_base; 4289 mp_gsi_routing[idx].gsi_base = gsi_base;
4306 mp_gsi_routing[idx].gsi_end = gsi_base + 4290 mp_gsi_routing[idx].gsi_end = gsi_base + entries - 1;
4307 io_apic_get_redir_entries(idx); 4291
4292 /*
4293 * The number of IO-APIC IRQ registers (== #pins):
4294 */
4295 nr_ioapic_registers[idx] = entries;
4296
4297 if (mp_gsi_routing[idx].gsi_end > gsi_end)
4298 gsi_end = mp_gsi_routing[idx].gsi_end;
4308 4299
4309 printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, " 4300 printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
4310 "GSI %d-%d\n", idx, mp_ioapics[idx].apicid, 4301 "GSI %d-%d\n", idx, mp_ioapics[idx].apicid,
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index c085d52dbaf2..e46f98f36e31 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -735,9 +735,6 @@ void __init uv_system_init(void)
735 uv_node_to_blade[nid] = blade; 735 uv_node_to_blade[nid] = blade;
736 uv_cpu_to_blade[cpu] = blade; 736 uv_cpu_to_blade[cpu] = blade;
737 max_pnode = max(pnode, max_pnode); 737 max_pnode = max(pnode, max_pnode);
738
739 printk(KERN_DEBUG "UV: cpu %d, apicid 0x%x, pnode %d, nid %d, lcpu %d, blade %d\n",
740 cpu, apicid, pnode, nid, lcpu, blade);
741 } 738 }
742 739
743 /* Add blade/pnode info for nodes without cpus */ 740 /* Add blade/pnode info for nodes without cpus */
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 031aa887b0eb..c4f9182ca3ac 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -1224,7 +1224,7 @@ static void reinit_timer(void)
1224#ifdef INIT_TIMER_AFTER_SUSPEND 1224#ifdef INIT_TIMER_AFTER_SUSPEND
1225 unsigned long flags; 1225 unsigned long flags;
1226 1226
1227 spin_lock_irqsave(&i8253_lock, flags); 1227 raw_spin_lock_irqsave(&i8253_lock, flags);
1228 /* set the clock to HZ */ 1228 /* set the clock to HZ */
1229 outb_pit(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */ 1229 outb_pit(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
1230 udelay(10); 1230 udelay(10);
@@ -1232,7 +1232,7 @@ static void reinit_timer(void)
1232 udelay(10); 1232 udelay(10);
1233 outb_pit(LATCH >> 8, PIT_CH0); /* MSB */ 1233 outb_pit(LATCH >> 8, PIT_CH0); /* MSB */
1234 udelay(10); 1234 udelay(10);
1235 spin_unlock_irqrestore(&i8253_lock, flags); 1235 raw_spin_unlock_irqrestore(&i8253_lock, flags);
1236#endif 1236#endif
1237} 1237}
1238 1238
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index c202b62f3671..3a785da34b6f 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -14,7 +14,7 @@ CFLAGS_common.o := $(nostackp)
14 14
15obj-y := intel_cacheinfo.o addon_cpuid_features.o 15obj-y := intel_cacheinfo.o addon_cpuid_features.o
16obj-y += proc.o capflags.o powerflags.o common.o 16obj-y += proc.o capflags.o powerflags.o common.o
17obj-y += vmware.o hypervisor.o sched.o 17obj-y += vmware.o hypervisor.o sched.o mshyperv.o
18 18
19obj-$(CONFIG_X86_32) += bugs.o cmpxchg.o 19obj-$(CONFIG_X86_32) += bugs.o cmpxchg.o
20obj-$(CONFIG_X86_64) += bugs_64.o 20obj-$(CONFIG_X86_64) += bugs_64.o
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 97ad79cdf688..10fa5684a662 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -30,12 +30,14 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
30 const struct cpuid_bit *cb; 30 const struct cpuid_bit *cb;
31 31
32 static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { 32 static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
33 { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 }, 33 { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
34 { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 }, 34 { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
35 { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a }, 35 { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006 },
36 { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a }, 36 { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007 },
37 { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a }, 37 { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a },
38 { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a }, 38 { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a },
39 { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a },
40 { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a },
39 { 0, 0, 0, 0 } 41 { 0, 0, 0, 0 }
40 }; 42 };
41 43
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 01a265212395..c39576cb3018 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -86,7 +86,7 @@ static void __init check_fpu(void)
86 86
87static void __init check_hlt(void) 87static void __init check_hlt(void)
88{ 88{
89 if (paravirt_enabled()) 89 if (boot_cpu_data.x86 >= 5 || paravirt_enabled())
90 return; 90 return;
91 91
92 printk(KERN_INFO "Checking 'hlt' instruction... "); 92 printk(KERN_INFO "Checking 'hlt' instruction... ");
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 4868e4a951ee..c1c00d0b1692 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1243,10 +1243,7 @@ void __cpuinit cpu_init(void)
1243 /* 1243 /*
1244 * Force FPU initialization: 1244 * Force FPU initialization:
1245 */ 1245 */
1246 if (cpu_has_xsave) 1246 current_thread_info()->status = 0;
1247 current_thread_info()->status = TS_XSAVE;
1248 else
1249 current_thread_info()->status = 0;
1250 clear_used_math(); 1247 clear_used_math();
1251 mxcsr_feature_mask_init(); 1248 mxcsr_feature_mask_init();
1252 1249
diff --git a/arch/x86/kernel/cpu/cpufreq/Makefile b/arch/x86/kernel/cpu/cpufreq/Makefile
index 1840c0a5170b..bd54bf67e6fb 100644
--- a/arch/x86/kernel/cpu/cpufreq/Makefile
+++ b/arch/x86/kernel/cpu/cpufreq/Makefile
@@ -2,8 +2,8 @@
2# K8 systems. ACPI is preferred to all other hardware-specific drivers. 2# K8 systems. ACPI is preferred to all other hardware-specific drivers.
3# speedstep-* is preferred over p4-clockmod. 3# speedstep-* is preferred over p4-clockmod.
4 4
5obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o 5obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o mperf.o
6obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o 6obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o mperf.o
7obj-$(CONFIG_X86_PCC_CPUFREQ) += pcc-cpufreq.o 7obj-$(CONFIG_X86_PCC_CPUFREQ) += pcc-cpufreq.o
8obj-$(CONFIG_X86_POWERNOW_K6) += powernow-k6.o 8obj-$(CONFIG_X86_POWERNOW_K6) += powernow-k6.o
9obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o 9obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 459168083b77..1d3cddaa40ee 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -46,6 +46,7 @@
46#include <asm/msr.h> 46#include <asm/msr.h>
47#include <asm/processor.h> 47#include <asm/processor.h>
48#include <asm/cpufeature.h> 48#include <asm/cpufeature.h>
49#include "mperf.h"
49 50
50#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \ 51#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
51 "acpi-cpufreq", msg) 52 "acpi-cpufreq", msg)
@@ -71,8 +72,6 @@ struct acpi_cpufreq_data {
71 72
72static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data); 73static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data);
73 74
74static DEFINE_PER_CPU(struct aperfmperf, acfreq_old_perf);
75
76/* acpi_perf_data is a pointer to percpu data. */ 75/* acpi_perf_data is a pointer to percpu data. */
77static struct acpi_processor_performance *acpi_perf_data; 76static struct acpi_processor_performance *acpi_perf_data;
78 77
@@ -240,45 +239,6 @@ static u32 get_cur_val(const struct cpumask *mask)
240 return cmd.val; 239 return cmd.val;
241} 240}
242 241
243/* Called via smp_call_function_single(), on the target CPU */
244static void read_measured_perf_ctrs(void *_cur)
245{
246 struct aperfmperf *am = _cur;
247
248 get_aperfmperf(am);
249}
250
251/*
252 * Return the measured active (C0) frequency on this CPU since last call
253 * to this function.
254 * Input: cpu number
255 * Return: Average CPU frequency in terms of max frequency (zero on error)
256 *
257 * We use IA32_MPERF and IA32_APERF MSRs to get the measured performance
258 * over a period of time, while CPU is in C0 state.
259 * IA32_MPERF counts at the rate of max advertised frequency
260 * IA32_APERF counts at the rate of actual CPU frequency
261 * Only IA32_APERF/IA32_MPERF ratio is architecturally defined and
262 * no meaning should be associated with absolute values of these MSRs.
263 */
264static unsigned int get_measured_perf(struct cpufreq_policy *policy,
265 unsigned int cpu)
266{
267 struct aperfmperf perf;
268 unsigned long ratio;
269 unsigned int retval;
270
271 if (smp_call_function_single(cpu, read_measured_perf_ctrs, &perf, 1))
272 return 0;
273
274 ratio = calc_aperfmperf_ratio(&per_cpu(acfreq_old_perf, cpu), &perf);
275 per_cpu(acfreq_old_perf, cpu) = perf;
276
277 retval = (policy->cpuinfo.max_freq * ratio) >> APERFMPERF_SHIFT;
278
279 return retval;
280}
281
282static unsigned int get_cur_freq_on_cpu(unsigned int cpu) 242static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
283{ 243{
284 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, cpu); 244 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, cpu);
@@ -702,7 +662,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
702 662
703 /* Check for APERF/MPERF support in hardware */ 663 /* Check for APERF/MPERF support in hardware */
704 if (cpu_has(c, X86_FEATURE_APERFMPERF)) 664 if (cpu_has(c, X86_FEATURE_APERFMPERF))
705 acpi_cpufreq_driver.getavg = get_measured_perf; 665 acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf;
706 666
707 dprintk("CPU%u - ACPI performance management activated.\n", cpu); 667 dprintk("CPU%u - ACPI performance management activated.\n", cpu);
708 for (i = 0; i < perf->state_count; i++) 668 for (i = 0; i < perf->state_count; i++)
diff --git a/arch/x86/kernel/cpu/cpufreq/mperf.c b/arch/x86/kernel/cpu/cpufreq/mperf.c
new file mode 100644
index 000000000000..911e193018ae
--- /dev/null
+++ b/arch/x86/kernel/cpu/cpufreq/mperf.c
@@ -0,0 +1,51 @@
1#include <linux/kernel.h>
2#include <linux/smp.h>
3#include <linux/module.h>
4#include <linux/init.h>
5#include <linux/cpufreq.h>
6#include <linux/slab.h>
7
8#include "mperf.h"
9
10static DEFINE_PER_CPU(struct aperfmperf, acfreq_old_perf);
11
12/* Called via smp_call_function_single(), on the target CPU */
13static void read_measured_perf_ctrs(void *_cur)
14{
15 struct aperfmperf *am = _cur;
16
17 get_aperfmperf(am);
18}
19
20/*
21 * Return the measured active (C0) frequency on this CPU since last call
22 * to this function.
23 * Input: cpu number
24 * Return: Average CPU frequency in terms of max frequency (zero on error)
25 *
26 * We use IA32_MPERF and IA32_APERF MSRs to get the measured performance
27 * over a period of time, while CPU is in C0 state.
28 * IA32_MPERF counts at the rate of max advertised frequency
29 * IA32_APERF counts at the rate of actual CPU frequency
30 * Only IA32_APERF/IA32_MPERF ratio is architecturally defined and
31 * no meaning should be associated with absolute values of these MSRs.
32 */
33unsigned int cpufreq_get_measured_perf(struct cpufreq_policy *policy,
34 unsigned int cpu)
35{
36 struct aperfmperf perf;
37 unsigned long ratio;
38 unsigned int retval;
39
40 if (smp_call_function_single(cpu, read_measured_perf_ctrs, &perf, 1))
41 return 0;
42
43 ratio = calc_aperfmperf_ratio(&per_cpu(acfreq_old_perf, cpu), &perf);
44 per_cpu(acfreq_old_perf, cpu) = perf;
45
46 retval = (policy->cpuinfo.max_freq * ratio) >> APERFMPERF_SHIFT;
47
48 return retval;
49}
50EXPORT_SYMBOL_GPL(cpufreq_get_measured_perf);
51MODULE_LICENSE("GPL");
diff --git a/arch/x86/kernel/cpu/cpufreq/mperf.h b/arch/x86/kernel/cpu/cpufreq/mperf.h
new file mode 100644
index 000000000000..5dbf2950dc22
--- /dev/null
+++ b/arch/x86/kernel/cpu/cpufreq/mperf.h
@@ -0,0 +1,9 @@
1/*
2 * (c) 2010 Advanced Micro Devices, Inc.
3 * Your use of this code is subject to the terms and conditions of the
4 * GNU general public license version 2. See "COPYING" or
5 * http://www.gnu.org/licenses/gpl.html
6 */
7
8unsigned int cpufreq_get_measured_perf(struct cpufreq_policy *policy,
9 unsigned int cpu);
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index b6215b9798e2..6f3dc8fbbfdc 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1,6 +1,5 @@
1
2/* 1/*
3 * (c) 2003-2006 Advanced Micro Devices, Inc. 2 * (c) 2003-2010 Advanced Micro Devices, Inc.
4 * Your use of this code is subject to the terms and conditions of the 3 * Your use of this code is subject to the terms and conditions of the
5 * GNU general public license version 2. See "COPYING" or 4 * GNU general public license version 2. See "COPYING" or
6 * http://www.gnu.org/licenses/gpl.html 5 * http://www.gnu.org/licenses/gpl.html
@@ -46,6 +45,7 @@
46#define PFX "powernow-k8: " 45#define PFX "powernow-k8: "
47#define VERSION "version 2.20.00" 46#define VERSION "version 2.20.00"
48#include "powernow-k8.h" 47#include "powernow-k8.h"
48#include "mperf.h"
49 49
50/* serialize freq changes */ 50/* serialize freq changes */
51static DEFINE_MUTEX(fidvid_mutex); 51static DEFINE_MUTEX(fidvid_mutex);
@@ -54,6 +54,12 @@ static DEFINE_PER_CPU(struct powernow_k8_data *, powernow_data);
54 54
55static int cpu_family = CPU_OPTERON; 55static int cpu_family = CPU_OPTERON;
56 56
57/* core performance boost */
58static bool cpb_capable, cpb_enabled;
59static struct msr __percpu *msrs;
60
61static struct cpufreq_driver cpufreq_amd64_driver;
62
57#ifndef CONFIG_SMP 63#ifndef CONFIG_SMP
58static inline const struct cpumask *cpu_core_mask(int cpu) 64static inline const struct cpumask *cpu_core_mask(int cpu)
59{ 65{
@@ -1249,6 +1255,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
1249 struct powernow_k8_data *data; 1255 struct powernow_k8_data *data;
1250 struct init_on_cpu init_on_cpu; 1256 struct init_on_cpu init_on_cpu;
1251 int rc; 1257 int rc;
1258 struct cpuinfo_x86 *c = &cpu_data(pol->cpu);
1252 1259
1253 if (!cpu_online(pol->cpu)) 1260 if (!cpu_online(pol->cpu))
1254 return -ENODEV; 1261 return -ENODEV;
@@ -1323,6 +1330,10 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
1323 return -EINVAL; 1330 return -EINVAL;
1324 } 1331 }
1325 1332
1333 /* Check for APERF/MPERF support in hardware */
1334 if (cpu_has(c, X86_FEATURE_APERFMPERF))
1335 cpufreq_amd64_driver.getavg = cpufreq_get_measured_perf;
1336
1326 cpufreq_frequency_table_get_attr(data->powernow_table, pol->cpu); 1337 cpufreq_frequency_table_get_attr(data->powernow_table, pol->cpu);
1327 1338
1328 if (cpu_family == CPU_HW_PSTATE) 1339 if (cpu_family == CPU_HW_PSTATE)
@@ -1394,8 +1405,77 @@ out:
1394 return khz; 1405 return khz;
1395} 1406}
1396 1407
1408static void _cpb_toggle_msrs(bool t)
1409{
1410 int cpu;
1411
1412 get_online_cpus();
1413
1414 rdmsr_on_cpus(cpu_online_mask, MSR_K7_HWCR, msrs);
1415
1416 for_each_cpu(cpu, cpu_online_mask) {
1417 struct msr *reg = per_cpu_ptr(msrs, cpu);
1418 if (t)
1419 reg->l &= ~BIT(25);
1420 else
1421 reg->l |= BIT(25);
1422 }
1423 wrmsr_on_cpus(cpu_online_mask, MSR_K7_HWCR, msrs);
1424
1425 put_online_cpus();
1426}
1427
1428/*
1429 * Switch on/off core performance boosting.
1430 *
1431 * 0=disable
1432 * 1=enable.
1433 */
1434static void cpb_toggle(bool t)
1435{
1436 if (!cpb_capable)
1437 return;
1438
1439 if (t && !cpb_enabled) {
1440 cpb_enabled = true;
1441 _cpb_toggle_msrs(t);
1442 printk(KERN_INFO PFX "Core Boosting enabled.\n");
1443 } else if (!t && cpb_enabled) {
1444 cpb_enabled = false;
1445 _cpb_toggle_msrs(t);
1446 printk(KERN_INFO PFX "Core Boosting disabled.\n");
1447 }
1448}
1449
1450static ssize_t store_cpb(struct cpufreq_policy *policy, const char *buf,
1451 size_t count)
1452{
1453 int ret = -EINVAL;
1454 unsigned long val = 0;
1455
1456 ret = strict_strtoul(buf, 10, &val);
1457 if (!ret && (val == 0 || val == 1) && cpb_capable)
1458 cpb_toggle(val);
1459 else
1460 return -EINVAL;
1461
1462 return count;
1463}
1464
1465static ssize_t show_cpb(struct cpufreq_policy *policy, char *buf)
1466{
1467 return sprintf(buf, "%u\n", cpb_enabled);
1468}
1469
1470#define define_one_rw(_name) \
1471static struct freq_attr _name = \
1472__ATTR(_name, 0644, show_##_name, store_##_name)
1473
1474define_one_rw(cpb);
1475
1397static struct freq_attr *powernow_k8_attr[] = { 1476static struct freq_attr *powernow_k8_attr[] = {
1398 &cpufreq_freq_attr_scaling_available_freqs, 1477 &cpufreq_freq_attr_scaling_available_freqs,
1478 &cpb,
1399 NULL, 1479 NULL,
1400}; 1480};
1401 1481
@@ -1411,10 +1491,51 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
1411 .attr = powernow_k8_attr, 1491 .attr = powernow_k8_attr,
1412}; 1492};
1413 1493
1494/*
1495 * Clear the boost-disable flag on the CPU_DOWN path so that this cpu
1496 * cannot block the remaining ones from boosting. On the CPU_UP path we
1497 * simply keep the boost-disable flag in sync with the current global
1498 * state.
1499 */
1500static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action,
1501 void *hcpu)
1502{
1503 unsigned cpu = (long)hcpu;
1504 u32 lo, hi;
1505
1506 switch (action) {
1507 case CPU_UP_PREPARE:
1508 case CPU_UP_PREPARE_FROZEN:
1509
1510 if (!cpb_enabled) {
1511 rdmsr_on_cpu(cpu, MSR_K7_HWCR, &lo, &hi);
1512 lo |= BIT(25);
1513 wrmsr_on_cpu(cpu, MSR_K7_HWCR, lo, hi);
1514 }
1515 break;
1516
1517 case CPU_DOWN_PREPARE:
1518 case CPU_DOWN_PREPARE_FROZEN:
1519 rdmsr_on_cpu(cpu, MSR_K7_HWCR, &lo, &hi);
1520 lo &= ~BIT(25);
1521 wrmsr_on_cpu(cpu, MSR_K7_HWCR, lo, hi);
1522 break;
1523
1524 default:
1525 break;
1526 }
1527
1528 return NOTIFY_OK;
1529}
1530
1531static struct notifier_block __cpuinitdata cpb_nb = {
1532 .notifier_call = cpb_notify,
1533};
1534
1414/* driver entry point for init */ 1535/* driver entry point for init */
1415static int __cpuinit powernowk8_init(void) 1536static int __cpuinit powernowk8_init(void)
1416{ 1537{
1417 unsigned int i, supported_cpus = 0; 1538 unsigned int i, supported_cpus = 0, cpu;
1418 1539
1419 for_each_online_cpu(i) { 1540 for_each_online_cpu(i) {
1420 int rc; 1541 int rc;
@@ -1423,15 +1544,36 @@ static int __cpuinit powernowk8_init(void)
1423 supported_cpus++; 1544 supported_cpus++;
1424 } 1545 }
1425 1546
1426 if (supported_cpus == num_online_cpus()) { 1547 if (supported_cpus != num_online_cpus())
1427 printk(KERN_INFO PFX "Found %d %s " 1548 return -ENODEV;
1428 "processors (%d cpu cores) (" VERSION ")\n", 1549
1429 num_online_nodes(), 1550 printk(KERN_INFO PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
1430 boot_cpu_data.x86_model_id, supported_cpus); 1551 num_online_nodes(), boot_cpu_data.x86_model_id, supported_cpus);
1431 return cpufreq_register_driver(&cpufreq_amd64_driver); 1552
1553 if (boot_cpu_has(X86_FEATURE_CPB)) {
1554
1555 cpb_capable = true;
1556
1557 register_cpu_notifier(&cpb_nb);
1558
1559 msrs = msrs_alloc();
1560 if (!msrs) {
1561 printk(KERN_ERR "%s: Error allocating msrs!\n", __func__);
1562 return -ENOMEM;
1563 }
1564
1565 rdmsr_on_cpus(cpu_online_mask, MSR_K7_HWCR, msrs);
1566
1567 for_each_cpu(cpu, cpu_online_mask) {
1568 struct msr *reg = per_cpu_ptr(msrs, cpu);
1569 cpb_enabled |= !(!!(reg->l & BIT(25)));
1570 }
1571
1572 printk(KERN_INFO PFX "Core Performance Boosting: %s.\n",
1573 (cpb_enabled ? "on" : "off"));
1432 } 1574 }
1433 1575
1434 return -ENODEV; 1576 return cpufreq_register_driver(&cpufreq_amd64_driver);
1435} 1577}
1436 1578
1437/* driver entry point for term */ 1579/* driver entry point for term */
@@ -1439,6 +1581,13 @@ static void __exit powernowk8_exit(void)
1439{ 1581{
1440 dprintk("exit\n"); 1582 dprintk("exit\n");
1441 1583
1584 if (boot_cpu_has(X86_FEATURE_CPB)) {
1585 msrs_free(msrs);
1586 msrs = NULL;
1587
1588 unregister_cpu_notifier(&cpb_nb);
1589 }
1590
1442 cpufreq_unregister_driver(&cpufreq_amd64_driver); 1591 cpufreq_unregister_driver(&cpufreq_amd64_driver);
1443} 1592}
1444 1593
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
index 02ce824073cb..df3529b1c02d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
@@ -5,7 +5,6 @@
5 * http://www.gnu.org/licenses/gpl.html 5 * http://www.gnu.org/licenses/gpl.html
6 */ 6 */
7 7
8
9enum pstate { 8enum pstate {
10 HW_PSTATE_INVALID = 0xff, 9 HW_PSTATE_INVALID = 0xff,
11 HW_PSTATE_0 = 0, 10 HW_PSTATE_0 = 0,
@@ -55,7 +54,6 @@ struct powernow_k8_data {
55 struct cpumask *available_cores; 54 struct cpumask *available_cores;
56}; 55};
57 56
58
59/* processor's cpuid instruction support */ 57/* processor's cpuid instruction support */
60#define CPUID_PROCESSOR_SIGNATURE 1 /* function 1 */ 58#define CPUID_PROCESSOR_SIGNATURE 1 /* function 1 */
61#define CPUID_XFAM 0x0ff00000 /* extended family */ 59#define CPUID_XFAM 0x0ff00000 /* extended family */
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index 08be922de33a..dd531cc56a8f 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -21,37 +21,55 @@
21 * 21 *
22 */ 22 */
23 23
24#include <linux/module.h>
24#include <asm/processor.h> 25#include <asm/processor.h>
25#include <asm/vmware.h>
26#include <asm/hypervisor.h> 26#include <asm/hypervisor.h>
27 27
28static inline void __cpuinit 28/*
29detect_hypervisor_vendor(struct cpuinfo_x86 *c) 29 * Hypervisor detect order. This is specified explicitly here because
30 * some hypervisors might implement compatibility modes for other
31 * hypervisors and therefore need to be detected in specific sequence.
32 */
33static const __initconst struct hypervisor_x86 * const hypervisors[] =
30{ 34{
31 if (vmware_platform()) 35 &x86_hyper_vmware,
32 c->x86_hyper_vendor = X86_HYPER_VENDOR_VMWARE; 36 &x86_hyper_ms_hyperv,
33 else 37};
34 c->x86_hyper_vendor = X86_HYPER_VENDOR_NONE;
35}
36 38
37static inline void __cpuinit 39const struct hypervisor_x86 *x86_hyper;
38hypervisor_set_feature_bits(struct cpuinfo_x86 *c) 40EXPORT_SYMBOL(x86_hyper);
41
42static inline void __init
43detect_hypervisor_vendor(void)
39{ 44{
40 if (boot_cpu_data.x86_hyper_vendor == X86_HYPER_VENDOR_VMWARE) { 45 const struct hypervisor_x86 *h, * const *p;
41 vmware_set_feature_bits(c); 46
42 return; 47 for (p = hypervisors; p < hypervisors + ARRAY_SIZE(hypervisors); p++) {
48 h = *p;
49 if (h->detect()) {
50 x86_hyper = h;
51 printk(KERN_INFO "Hypervisor detected: %s\n", h->name);
52 break;
53 }
43 } 54 }
44} 55}
45 56
46void __cpuinit init_hypervisor(struct cpuinfo_x86 *c) 57void __cpuinit init_hypervisor(struct cpuinfo_x86 *c)
47{ 58{
48 detect_hypervisor_vendor(c); 59 if (x86_hyper && x86_hyper->set_cpu_features)
49 hypervisor_set_feature_bits(c); 60 x86_hyper->set_cpu_features(c);
50} 61}
51 62
52void __init init_hypervisor_platform(void) 63void __init init_hypervisor_platform(void)
53{ 64{
65
66 detect_hypervisor_vendor();
67
68 if (!x86_hyper)
69 return;
70
54 init_hypervisor(&boot_cpu_data); 71 init_hypervisor(&boot_cpu_data);
55 if (boot_cpu_data.x86_hyper_vendor == X86_HYPER_VENDOR_VMWARE) 72
56 vmware_platform_setup(); 73 if (x86_hyper->init_platform)
74 x86_hyper->init_platform();
57} 75}
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index f5e5390d3459..85f69cdeae10 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -372,12 +372,6 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
372 set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON); 372 set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
373 } 373 }
374 374
375 if (c->cpuid_level > 6) {
376 unsigned ecx = cpuid_ecx(6);
377 if (ecx & 0x01)
378 set_cpu_cap(c, X86_FEATURE_APERFMPERF);
379 }
380
381 if (cpu_has_xmm2) 375 if (cpu_has_xmm2)
382 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); 376 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
383 if (cpu_has_ds) { 377 if (cpu_has_ds) {
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index b3eeb66c0a51..33eae2062cf5 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -148,13 +148,19 @@ union _cpuid4_leaf_ecx {
148 u32 full; 148 u32 full;
149}; 149};
150 150
151struct amd_l3_cache {
152 struct pci_dev *dev;
153 bool can_disable;
154 unsigned indices;
155 u8 subcaches[4];
156};
157
151struct _cpuid4_info { 158struct _cpuid4_info {
152 union _cpuid4_leaf_eax eax; 159 union _cpuid4_leaf_eax eax;
153 union _cpuid4_leaf_ebx ebx; 160 union _cpuid4_leaf_ebx ebx;
154 union _cpuid4_leaf_ecx ecx; 161 union _cpuid4_leaf_ecx ecx;
155 unsigned long size; 162 unsigned long size;
156 bool can_disable; 163 struct amd_l3_cache *l3;
157 unsigned int l3_indices;
158 DECLARE_BITMAP(shared_cpu_map, NR_CPUS); 164 DECLARE_BITMAP(shared_cpu_map, NR_CPUS);
159}; 165};
160 166
@@ -164,8 +170,7 @@ struct _cpuid4_info_regs {
164 union _cpuid4_leaf_ebx ebx; 170 union _cpuid4_leaf_ebx ebx;
165 union _cpuid4_leaf_ecx ecx; 171 union _cpuid4_leaf_ecx ecx;
166 unsigned long size; 172 unsigned long size;
167 bool can_disable; 173 struct amd_l3_cache *l3;
168 unsigned int l3_indices;
169}; 174};
170 175
171unsigned short num_cache_leaves; 176unsigned short num_cache_leaves;
@@ -302,87 +307,163 @@ struct _cache_attr {
302}; 307};
303 308
304#ifdef CONFIG_CPU_SUP_AMD 309#ifdef CONFIG_CPU_SUP_AMD
305static unsigned int __cpuinit amd_calc_l3_indices(void) 310
311/*
312 * L3 cache descriptors
313 */
314static struct amd_l3_cache **__cpuinitdata l3_caches;
315
316static void __cpuinit amd_calc_l3_indices(struct amd_l3_cache *l3)
306{ 317{
307 /*
308 * We're called over smp_call_function_single() and therefore
309 * are on the correct cpu.
310 */
311 int cpu = smp_processor_id();
312 int node = cpu_to_node(cpu);
313 struct pci_dev *dev = node_to_k8_nb_misc(node);
314 unsigned int sc0, sc1, sc2, sc3; 318 unsigned int sc0, sc1, sc2, sc3;
315 u32 val = 0; 319 u32 val = 0;
316 320
317 pci_read_config_dword(dev, 0x1C4, &val); 321 pci_read_config_dword(l3->dev, 0x1C4, &val);
318 322
319 /* calculate subcache sizes */ 323 /* calculate subcache sizes */
320 sc0 = !(val & BIT(0)); 324 l3->subcaches[0] = sc0 = !(val & BIT(0));
321 sc1 = !(val & BIT(4)); 325 l3->subcaches[1] = sc1 = !(val & BIT(4));
322 sc2 = !(val & BIT(8)) + !(val & BIT(9)); 326 l3->subcaches[2] = sc2 = !(val & BIT(8)) + !(val & BIT(9));
323 sc3 = !(val & BIT(12)) + !(val & BIT(13)); 327 l3->subcaches[3] = sc3 = !(val & BIT(12)) + !(val & BIT(13));
324 328
325 return (max(max(max(sc0, sc1), sc2), sc3) << 10) - 1; 329 l3->indices = (max(max(max(sc0, sc1), sc2), sc3) << 10) - 1;
330}
331
332static struct amd_l3_cache * __cpuinit amd_init_l3_cache(int node)
333{
334 struct amd_l3_cache *l3;
335 struct pci_dev *dev = node_to_k8_nb_misc(node);
336
337 l3 = kzalloc(sizeof(struct amd_l3_cache), GFP_ATOMIC);
338 if (!l3) {
339 printk(KERN_WARNING "Error allocating L3 struct\n");
340 return NULL;
341 }
342
343 l3->dev = dev;
344
345 amd_calc_l3_indices(l3);
346
347 return l3;
326} 348}
327 349
328static void __cpuinit 350static void __cpuinit
329amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) 351amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf)
330{ 352{
331 if (index < 3) 353 int node;
354
355 if (boot_cpu_data.x86 != 0x10)
332 return; 356 return;
333 357
334 if (boot_cpu_data.x86 == 0x11) 358 if (index < 3)
335 return; 359 return;
336 360
337 /* see errata #382 and #388 */ 361 /* see errata #382 and #388 */
338 if ((boot_cpu_data.x86 == 0x10) && 362 if (boot_cpu_data.x86_model < 0x8)
339 ((boot_cpu_data.x86_model < 0x8) || 363 return;
340 (boot_cpu_data.x86_mask < 0x1))) 364
365 if ((boot_cpu_data.x86_model == 0x8 ||
366 boot_cpu_data.x86_model == 0x9)
367 &&
368 boot_cpu_data.x86_mask < 0x1)
369 return;
370
371 /* not in virtualized environments */
372 if (num_k8_northbridges == 0)
341 return; 373 return;
342 374
343 this_leaf->can_disable = true; 375 /*
344 this_leaf->l3_indices = amd_calc_l3_indices(); 376 * Strictly speaking, the amount in @size below is leaked since it is
377 * never freed but this is done only on shutdown so it doesn't matter.
378 */
379 if (!l3_caches) {
380 int size = num_k8_northbridges * sizeof(struct amd_l3_cache *);
381
382 l3_caches = kzalloc(size, GFP_ATOMIC);
383 if (!l3_caches)
384 return;
385 }
386
387 node = amd_get_nb_id(smp_processor_id());
388
389 if (!l3_caches[node]) {
390 l3_caches[node] = amd_init_l3_cache(node);
391 l3_caches[node]->can_disable = true;
392 }
393
394 WARN_ON(!l3_caches[node]);
395
396 this_leaf->l3 = l3_caches[node];
345} 397}
346 398
347static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf, 399static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf,
348 unsigned int index) 400 unsigned int slot)
349{ 401{
350 int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); 402 struct pci_dev *dev = this_leaf->l3->dev;
351 int node = amd_get_nb_id(cpu);
352 struct pci_dev *dev = node_to_k8_nb_misc(node);
353 unsigned int reg = 0; 403 unsigned int reg = 0;
354 404
355 if (!this_leaf->can_disable) 405 if (!this_leaf->l3 || !this_leaf->l3->can_disable)
356 return -EINVAL; 406 return -EINVAL;
357 407
358 if (!dev) 408 if (!dev)
359 return -EINVAL; 409 return -EINVAL;
360 410
361 pci_read_config_dword(dev, 0x1BC + index * 4, &reg); 411 pci_read_config_dword(dev, 0x1BC + slot * 4, &reg);
362 return sprintf(buf, "0x%08x\n", reg); 412 return sprintf(buf, "0x%08x\n", reg);
363} 413}
364 414
365#define SHOW_CACHE_DISABLE(index) \ 415#define SHOW_CACHE_DISABLE(slot) \
366static ssize_t \ 416static ssize_t \
367show_cache_disable_##index(struct _cpuid4_info *this_leaf, char *buf) \ 417show_cache_disable_##slot(struct _cpuid4_info *this_leaf, char *buf) \
368{ \ 418{ \
369 return show_cache_disable(this_leaf, buf, index); \ 419 return show_cache_disable(this_leaf, buf, slot); \
370} 420}
371SHOW_CACHE_DISABLE(0) 421SHOW_CACHE_DISABLE(0)
372SHOW_CACHE_DISABLE(1) 422SHOW_CACHE_DISABLE(1)
373 423
424static void amd_l3_disable_index(struct amd_l3_cache *l3, int cpu,
425 unsigned slot, unsigned long idx)
426{
427 int i;
428
429 idx |= BIT(30);
430
431 /*
432 * disable index in all 4 subcaches
433 */
434 for (i = 0; i < 4; i++) {
435 u32 reg = idx | (i << 20);
436
437 if (!l3->subcaches[i])
438 continue;
439
440 pci_write_config_dword(l3->dev, 0x1BC + slot * 4, reg);
441
442 /*
443 * We need to WBINVD on a core on the node containing the L3
444 * cache which indices we disable therefore a simple wbinvd()
445 * is not sufficient.
446 */
447 wbinvd_on_cpu(cpu);
448
449 reg |= BIT(31);
450 pci_write_config_dword(l3->dev, 0x1BC + slot * 4, reg);
451 }
452}
453
454
374static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, 455static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
375 const char *buf, size_t count, unsigned int index) 456 const char *buf, size_t count,
457 unsigned int slot)
376{ 458{
459 struct pci_dev *dev = this_leaf->l3->dev;
377 int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); 460 int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map));
378 int node = amd_get_nb_id(cpu);
379 struct pci_dev *dev = node_to_k8_nb_misc(node);
380 unsigned long val = 0; 461 unsigned long val = 0;
381 462
382#define SUBCACHE_MASK (3UL << 20) 463#define SUBCACHE_MASK (3UL << 20)
383#define SUBCACHE_INDEX 0xfff 464#define SUBCACHE_INDEX 0xfff
384 465
385 if (!this_leaf->can_disable) 466 if (!this_leaf->l3 || !this_leaf->l3->can_disable)
386 return -EINVAL; 467 return -EINVAL;
387 468
388 if (!capable(CAP_SYS_ADMIN)) 469 if (!capable(CAP_SYS_ADMIN))
@@ -396,26 +477,20 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
396 477
397 /* do not allow writes outside of allowed bits */ 478 /* do not allow writes outside of allowed bits */
398 if ((val & ~(SUBCACHE_MASK | SUBCACHE_INDEX)) || 479 if ((val & ~(SUBCACHE_MASK | SUBCACHE_INDEX)) ||
399 ((val & SUBCACHE_INDEX) > this_leaf->l3_indices)) 480 ((val & SUBCACHE_INDEX) > this_leaf->l3->indices))
400 return -EINVAL; 481 return -EINVAL;
401 482
402 val |= BIT(30); 483 amd_l3_disable_index(this_leaf->l3, cpu, slot, val);
403 pci_write_config_dword(dev, 0x1BC + index * 4, val); 484
404 /*
405 * We need to WBINVD on a core on the node containing the L3 cache which
406 * indices we disable therefore a simple wbinvd() is not sufficient.
407 */
408 wbinvd_on_cpu(cpu);
409 pci_write_config_dword(dev, 0x1BC + index * 4, val | BIT(31));
410 return count; 485 return count;
411} 486}
412 487
413#define STORE_CACHE_DISABLE(index) \ 488#define STORE_CACHE_DISABLE(slot) \
414static ssize_t \ 489static ssize_t \
415store_cache_disable_##index(struct _cpuid4_info *this_leaf, \ 490store_cache_disable_##slot(struct _cpuid4_info *this_leaf, \
416 const char *buf, size_t count) \ 491 const char *buf, size_t count) \
417{ \ 492{ \
418 return store_cache_disable(this_leaf, buf, count, index); \ 493 return store_cache_disable(this_leaf, buf, count, slot); \
419} 494}
420STORE_CACHE_DISABLE(0) 495STORE_CACHE_DISABLE(0)
421STORE_CACHE_DISABLE(1) 496STORE_CACHE_DISABLE(1)
@@ -443,8 +518,7 @@ __cpuinit cpuid4_cache_lookup_regs(int index,
443 518
444 if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { 519 if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) {
445 amd_cpuid4(index, &eax, &ebx, &ecx); 520 amd_cpuid4(index, &eax, &ebx, &ecx);
446 if (boot_cpu_data.x86 >= 0x10) 521 amd_check_l3_disable(index, this_leaf);
447 amd_check_l3_disable(index, this_leaf);
448 } else { 522 } else {
449 cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); 523 cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx);
450 } 524 }
@@ -701,6 +775,7 @@ static void __cpuinit free_cache_attributes(unsigned int cpu)
701 for (i = 0; i < num_cache_leaves; i++) 775 for (i = 0; i < num_cache_leaves; i++)
702 cache_remove_shared_cpu_map(cpu, i); 776 cache_remove_shared_cpu_map(cpu, i);
703 777
778 kfree(per_cpu(ici_cpuid4_info, cpu)->l3);
704 kfree(per_cpu(ici_cpuid4_info, cpu)); 779 kfree(per_cpu(ici_cpuid4_info, cpu));
705 per_cpu(ici_cpuid4_info, cpu) = NULL; 780 per_cpu(ici_cpuid4_info, cpu) = NULL;
706} 781}
@@ -985,7 +1060,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
985 1060
986 this_leaf = CPUID4_INFO_IDX(cpu, i); 1061 this_leaf = CPUID4_INFO_IDX(cpu, i);
987 1062
988 if (this_leaf->can_disable) 1063 if (this_leaf->l3 && this_leaf->l3->can_disable)
989 ktype_cache.default_attrs = default_l3_attrs; 1064 ktype_cache.default_attrs = default_l3_attrs;
990 else 1065 else
991 ktype_cache.default_attrs = default_attrs; 1066 ktype_cache.default_attrs = default_attrs;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 8a6f0afa767e..7a355ddcc64b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -539,7 +539,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
539 struct mce m; 539 struct mce m;
540 int i; 540 int i;
541 541
542 __get_cpu_var(mce_poll_count)++; 542 percpu_inc(mce_poll_count);
543 543
544 mce_setup(&m); 544 mce_setup(&m);
545 545
@@ -934,7 +934,7 @@ void do_machine_check(struct pt_regs *regs, long error_code)
934 934
935 atomic_inc(&mce_entry); 935 atomic_inc(&mce_entry);
936 936
937 __get_cpu_var(mce_exception_count)++; 937 percpu_inc(mce_exception_count);
938 938
939 if (notify_die(DIE_NMI, "machine check", regs, error_code, 939 if (notify_die(DIE_NMI, "machine check", regs, error_code,
940 18, SIGKILL) == NOTIFY_STOP) 940 18, SIGKILL) == NOTIFY_STOP)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
new file mode 100644
index 000000000000..16f41bbe46b6
--- /dev/null
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -0,0 +1,55 @@
1/*
2 * HyperV Detection code.
3 *
4 * Copyright (C) 2010, Novell, Inc.
5 * Author : K. Y. Srinivasan <ksrinivasan@novell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 */
12
13#include <linux/types.h>
14#include <linux/module.h>
15#include <asm/processor.h>
16#include <asm/hypervisor.h>
17#include <asm/hyperv.h>
18#include <asm/mshyperv.h>
19
20struct ms_hyperv_info ms_hyperv;
21
22static bool __init ms_hyperv_platform(void)
23{
24 u32 eax;
25 u32 hyp_signature[3];
26
27 if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
28 return false;
29
30 cpuid(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS,
31 &eax, &hyp_signature[0], &hyp_signature[1], &hyp_signature[2]);
32
33 return eax >= HYPERV_CPUID_MIN &&
34 eax <= HYPERV_CPUID_MAX &&
35 !memcmp("Microsoft Hv", hyp_signature, 12);
36}
37
38static void __init ms_hyperv_init_platform(void)
39{
40 /*
41 * Extract the features and hints
42 */
43 ms_hyperv.features = cpuid_eax(HYPERV_CPUID_FEATURES);
44 ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO);
45
46 printk(KERN_INFO "HyperV: features 0x%x, hints 0x%x\n",
47 ms_hyperv.features, ms_hyperv.hints);
48}
49
50const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
51 .name = "Microsoft HyperV",
52 .detect = ms_hyperv_platform,
53 .init_platform = ms_hyperv_init_platform,
54};
55EXPORT_SYMBOL(x86_hyper_ms_hyperv);
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 424fc8de68e4..ae85d69644d1 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -465,15 +465,21 @@ out:
465 return rc; 465 return rc;
466} 466}
467 467
468static inline void p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc) 468static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
469{ 469{
470 unsigned long dummy; 470 int overflow = 0;
471 u32 low, high;
471 472
472 rdmsrl(hwc->config_base + hwc->idx, dummy); 473 rdmsr(hwc->config_base + hwc->idx, low, high);
473 if (dummy & P4_CCCR_OVF) { 474
475 /* we need to check high bit for unflagged overflows */
476 if ((low & P4_CCCR_OVF) || !(high & (1 << 31))) {
477 overflow = 1;
474 (void)checking_wrmsrl(hwc->config_base + hwc->idx, 478 (void)checking_wrmsrl(hwc->config_base + hwc->idx,
475 ((u64)dummy) & ~P4_CCCR_OVF); 479 ((u64)low) & ~P4_CCCR_OVF);
476 } 480 }
481
482 return overflow;
477} 483}
478 484
479static inline void p4_pmu_disable_event(struct perf_event *event) 485static inline void p4_pmu_disable_event(struct perf_event *event)
@@ -584,21 +590,15 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
584 590
585 WARN_ON_ONCE(hwc->idx != idx); 591 WARN_ON_ONCE(hwc->idx != idx);
586 592
587 /* 593 /* it might be unflagged overflow */
588 * FIXME: Redundant call, actually not needed 594 handled = p4_pmu_clear_cccr_ovf(hwc);
589 * but just to check if we're screwed
590 */
591 p4_pmu_clear_cccr_ovf(hwc);
592 595
593 val = x86_perf_event_update(event); 596 val = x86_perf_event_update(event);
594 if (val & (1ULL << (x86_pmu.cntval_bits - 1))) 597 if (!handled && (val & (1ULL << (x86_pmu.cntval_bits - 1))))
595 continue; 598 continue;
596 599
597 /* 600 /* event overflow for sure */
598 * event overflow 601 data.period = event->hw.last_period;
599 */
600 handled = 1;
601 data.period = event->hw.last_period;
602 602
603 if (!x86_perf_event_set_period(event)) 603 if (!x86_perf_event_set_period(event))
604 continue; 604 continue;
@@ -670,7 +670,7 @@ static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
670 670
671/* 671/*
672 * ESCR address hashing is tricky, ESCRs are not sequential 672 * ESCR address hashing is tricky, ESCRs are not sequential
673 * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03e0) and 673 * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03a0) and
674 * the metric between any ESCRs is laid in range [0xa0,0xe1] 674 * the metric between any ESCRs is laid in range [0xa0,0xe1]
675 * 675 *
676 * so we make ~70% filled hashtable 676 * so we make ~70% filled hashtable
@@ -735,8 +735,9 @@ static int p4_get_escr_idx(unsigned int addr)
735{ 735{
736 unsigned int idx = P4_ESCR_MSR_IDX(addr); 736 unsigned int idx = P4_ESCR_MSR_IDX(addr);
737 737
738 if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE || 738 if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE ||
739 !p4_escr_table[idx])) { 739 !p4_escr_table[idx] ||
740 p4_escr_table[idx] != addr)) {
740 WARN_ONCE(1, "P4 PMU: Wrong address passed: %x\n", addr); 741 WARN_ONCE(1, "P4 PMU: Wrong address passed: %x\n", addr);
741 return -1; 742 return -1;
742 } 743 }
@@ -762,7 +763,7 @@ static int p4_pmu_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign
762{ 763{
763 unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)]; 764 unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
764 unsigned long escr_mask[BITS_TO_LONGS(P4_ESCR_MSR_TABLE_SIZE)]; 765 unsigned long escr_mask[BITS_TO_LONGS(P4_ESCR_MSR_TABLE_SIZE)];
765 int cpu = raw_smp_processor_id(); 766 int cpu = smp_processor_id();
766 struct hw_perf_event *hwc; 767 struct hw_perf_event *hwc;
767 struct p4_event_bind *bind; 768 struct p4_event_bind *bind;
768 unsigned int i, thread, num; 769 unsigned int i, thread, num;
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index dfdb4dba2320..b9d1ff588445 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -24,8 +24,8 @@
24#include <linux/dmi.h> 24#include <linux/dmi.h>
25#include <linux/module.h> 25#include <linux/module.h>
26#include <asm/div64.h> 26#include <asm/div64.h>
27#include <asm/vmware.h>
28#include <asm/x86_init.h> 27#include <asm/x86_init.h>
28#include <asm/hypervisor.h>
29 29
30#define CPUID_VMWARE_INFO_LEAF 0x40000000 30#define CPUID_VMWARE_INFO_LEAF 0x40000000
31#define VMWARE_HYPERVISOR_MAGIC 0x564D5868 31#define VMWARE_HYPERVISOR_MAGIC 0x564D5868
@@ -65,7 +65,7 @@ static unsigned long vmware_get_tsc_khz(void)
65 return tsc_hz; 65 return tsc_hz;
66} 66}
67 67
68void __init vmware_platform_setup(void) 68static void __init vmware_platform_setup(void)
69{ 69{
70 uint32_t eax, ebx, ecx, edx; 70 uint32_t eax, ebx, ecx, edx;
71 71
@@ -83,26 +83,22 @@ void __init vmware_platform_setup(void)
83 * serial key should be enough, as this will always have a VMware 83 * serial key should be enough, as this will always have a VMware
84 * specific string when running under VMware hypervisor. 84 * specific string when running under VMware hypervisor.
85 */ 85 */
86int vmware_platform(void) 86static bool __init vmware_platform(void)
87{ 87{
88 if (cpu_has_hypervisor) { 88 if (cpu_has_hypervisor) {
89 unsigned int eax, ebx, ecx, edx; 89 unsigned int eax;
90 char hyper_vendor_id[13]; 90 unsigned int hyper_vendor_id[3];
91 91
92 cpuid(CPUID_VMWARE_INFO_LEAF, &eax, &ebx, &ecx, &edx); 92 cpuid(CPUID_VMWARE_INFO_LEAF, &eax, &hyper_vendor_id[0],
93 memcpy(hyper_vendor_id + 0, &ebx, 4); 93 &hyper_vendor_id[1], &hyper_vendor_id[2]);
94 memcpy(hyper_vendor_id + 4, &ecx, 4); 94 if (!memcmp(hyper_vendor_id, "VMwareVMware", 12))
95 memcpy(hyper_vendor_id + 8, &edx, 4); 95 return true;
96 hyper_vendor_id[12] = '\0';
97 if (!strcmp(hyper_vendor_id, "VMwareVMware"))
98 return 1;
99 } else if (dmi_available && dmi_name_in_serial("VMware") && 96 } else if (dmi_available && dmi_name_in_serial("VMware") &&
100 __vmware_platform()) 97 __vmware_platform())
101 return 1; 98 return true;
102 99
103 return 0; 100 return false;
104} 101}
105EXPORT_SYMBOL(vmware_platform);
106 102
107/* 103/*
108 * VMware hypervisor takes care of exporting a reliable TSC to the guest. 104 * VMware hypervisor takes care of exporting a reliable TSC to the guest.
@@ -116,8 +112,16 @@ EXPORT_SYMBOL(vmware_platform);
116 * so that the kernel could just trust the hypervisor with providing a 112 * so that the kernel could just trust the hypervisor with providing a
117 * reliable virtual TSC that is suitable for timekeeping. 113 * reliable virtual TSC that is suitable for timekeeping.
118 */ 114 */
119void __cpuinit vmware_set_feature_bits(struct cpuinfo_x86 *c) 115static void __cpuinit vmware_set_cpu_features(struct cpuinfo_x86 *c)
120{ 116{
121 set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); 117 set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
122 set_cpu_cap(c, X86_FEATURE_TSC_RELIABLE); 118 set_cpu_cap(c, X86_FEATURE_TSC_RELIABLE);
123} 119}
120
121const __refconst struct hypervisor_x86 x86_hyper_vmware = {
122 .name = "VMware",
123 .detect = vmware_platform,
124 .set_cpu_features = vmware_set_cpu_features,
125 .init_platform = vmware_platform_setup,
126};
127EXPORT_SYMBOL(x86_hyper_vmware);
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 44a8e0dc6737..cd49141cf153 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -53,6 +53,7 @@
53#include <asm/processor-flags.h> 53#include <asm/processor-flags.h>
54#include <asm/ftrace.h> 54#include <asm/ftrace.h>
55#include <asm/irq_vectors.h> 55#include <asm/irq_vectors.h>
56#include <asm/cpufeature.h>
56 57
57/* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ 58/* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
58#include <linux/elf-em.h> 59#include <linux/elf-em.h>
@@ -905,7 +906,25 @@ ENTRY(simd_coprocessor_error)
905 RING0_INT_FRAME 906 RING0_INT_FRAME
906 pushl $0 907 pushl $0
907 CFI_ADJUST_CFA_OFFSET 4 908 CFI_ADJUST_CFA_OFFSET 4
909#ifdef CONFIG_X86_INVD_BUG
910 /* AMD 486 bug: invd from userspace calls exception 19 instead of #GP */
911661: pushl $do_general_protection
912662:
913.section .altinstructions,"a"
914 .balign 4
915 .long 661b
916 .long 663f
917 .byte X86_FEATURE_XMM
918 .byte 662b-661b
919 .byte 664f-663f
920.previous
921.section .altinstr_replacement,"ax"
922663: pushl $do_simd_coprocessor_error
923664:
924.previous
925#else
908 pushl $do_simd_coprocessor_error 926 pushl $do_simd_coprocessor_error
927#endif
909 CFI_ADJUST_CFA_OFFSET 4 928 CFI_ADJUST_CFA_OFFSET 4
910 jmp error_code 929 jmp error_code
911 CFI_ENDPROC 930 CFI_ENDPROC
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 54c31c285488..86cef6b32253 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -102,65 +102,62 @@ void __cpuinit fpu_init(void)
102 102
103 mxcsr_feature_mask_init(); 103 mxcsr_feature_mask_init();
104 /* clean state in init */ 104 /* clean state in init */
105 if (cpu_has_xsave) 105 current_thread_info()->status = 0;
106 current_thread_info()->status = TS_XSAVE;
107 else
108 current_thread_info()->status = 0;
109 clear_used_math(); 106 clear_used_math();
110} 107}
111#endif /* CONFIG_X86_64 */ 108#endif /* CONFIG_X86_64 */
112 109
113/* 110static void fpu_finit(struct fpu *fpu)
114 * The _current_ task is using the FPU for the first time
115 * so initialize it and set the mxcsr to its default
116 * value at reset if we support XMM instructions and then
117 * remeber the current task has used the FPU.
118 */
119int init_fpu(struct task_struct *tsk)
120{ 111{
121 if (tsk_used_math(tsk)) {
122 if (HAVE_HWFP && tsk == current)
123 unlazy_fpu(tsk);
124 return 0;
125 }
126
127 /*
128 * Memory allocation at the first usage of the FPU and other state.
129 */
130 if (!tsk->thread.xstate) {
131 tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep,
132 GFP_KERNEL);
133 if (!tsk->thread.xstate)
134 return -ENOMEM;
135 }
136
137#ifdef CONFIG_X86_32 112#ifdef CONFIG_X86_32
138 if (!HAVE_HWFP) { 113 if (!HAVE_HWFP) {
139 memset(tsk->thread.xstate, 0, xstate_size); 114 finit_soft_fpu(&fpu->state->soft);
140 finit_task(tsk); 115 return;
141 set_stopped_child_used_math(tsk);
142 return 0;
143 } 116 }
144#endif 117#endif
145 118
146 if (cpu_has_fxsr) { 119 if (cpu_has_fxsr) {
147 struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; 120 struct i387_fxsave_struct *fx = &fpu->state->fxsave;
148 121
149 memset(fx, 0, xstate_size); 122 memset(fx, 0, xstate_size);
150 fx->cwd = 0x37f; 123 fx->cwd = 0x37f;
151 if (cpu_has_xmm) 124 if (cpu_has_xmm)
152 fx->mxcsr = MXCSR_DEFAULT; 125 fx->mxcsr = MXCSR_DEFAULT;
153 } else { 126 } else {
154 struct i387_fsave_struct *fp = &tsk->thread.xstate->fsave; 127 struct i387_fsave_struct *fp = &fpu->state->fsave;
155 memset(fp, 0, xstate_size); 128 memset(fp, 0, xstate_size);
156 fp->cwd = 0xffff037fu; 129 fp->cwd = 0xffff037fu;
157 fp->swd = 0xffff0000u; 130 fp->swd = 0xffff0000u;
158 fp->twd = 0xffffffffu; 131 fp->twd = 0xffffffffu;
159 fp->fos = 0xffff0000u; 132 fp->fos = 0xffff0000u;
160 } 133 }
134}
135
136/*
137 * The _current_ task is using the FPU for the first time
138 * so initialize it and set the mxcsr to its default
139 * value at reset if we support XMM instructions and then
140 * remeber the current task has used the FPU.
141 */
142int init_fpu(struct task_struct *tsk)
143{
144 int ret;
145
146 if (tsk_used_math(tsk)) {
147 if (HAVE_HWFP && tsk == current)
148 unlazy_fpu(tsk);
149 return 0;
150 }
151
161 /* 152 /*
162 * Only the device not available exception or ptrace can call init_fpu. 153 * Memory allocation at the first usage of the FPU and other state.
163 */ 154 */
155 ret = fpu_alloc(&tsk->thread.fpu);
156 if (ret)
157 return ret;
158
159 fpu_finit(&tsk->thread.fpu);
160
164 set_stopped_child_used_math(tsk); 161 set_stopped_child_used_math(tsk);
165 return 0; 162 return 0;
166} 163}
@@ -194,7 +191,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset,
194 return ret; 191 return ret;
195 192
196 return user_regset_copyout(&pos, &count, &kbuf, &ubuf, 193 return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
197 &target->thread.xstate->fxsave, 0, -1); 194 &target->thread.fpu.state->fxsave, 0, -1);
198} 195}
199 196
200int xfpregs_set(struct task_struct *target, const struct user_regset *regset, 197int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
@@ -211,19 +208,19 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
211 return ret; 208 return ret;
212 209
213 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, 210 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
214 &target->thread.xstate->fxsave, 0, -1); 211 &target->thread.fpu.state->fxsave, 0, -1);
215 212
216 /* 213 /*
217 * mxcsr reserved bits must be masked to zero for security reasons. 214 * mxcsr reserved bits must be masked to zero for security reasons.
218 */ 215 */
219 target->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask; 216 target->thread.fpu.state->fxsave.mxcsr &= mxcsr_feature_mask;
220 217
221 /* 218 /*
222 * update the header bits in the xsave header, indicating the 219 * update the header bits in the xsave header, indicating the
223 * presence of FP and SSE state. 220 * presence of FP and SSE state.
224 */ 221 */
225 if (cpu_has_xsave) 222 if (cpu_has_xsave)
226 target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE; 223 target->thread.fpu.state->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE;
227 224
228 return ret; 225 return ret;
229} 226}
@@ -246,14 +243,14 @@ int xstateregs_get(struct task_struct *target, const struct user_regset *regset,
246 * memory layout in the thread struct, so that we can copy the entire 243 * memory layout in the thread struct, so that we can copy the entire
247 * xstateregs to the user using one user_regset_copyout(). 244 * xstateregs to the user using one user_regset_copyout().
248 */ 245 */
249 memcpy(&target->thread.xstate->fxsave.sw_reserved, 246 memcpy(&target->thread.fpu.state->fxsave.sw_reserved,
250 xstate_fx_sw_bytes, sizeof(xstate_fx_sw_bytes)); 247 xstate_fx_sw_bytes, sizeof(xstate_fx_sw_bytes));
251 248
252 /* 249 /*
253 * Copy the xstate memory layout. 250 * Copy the xstate memory layout.
254 */ 251 */
255 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, 252 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
256 &target->thread.xstate->xsave, 0, -1); 253 &target->thread.fpu.state->xsave, 0, -1);
257 return ret; 254 return ret;
258} 255}
259 256
@@ -272,14 +269,14 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset,
272 return ret; 269 return ret;
273 270
274 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, 271 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
275 &target->thread.xstate->xsave, 0, -1); 272 &target->thread.fpu.state->xsave, 0, -1);
276 273
277 /* 274 /*
278 * mxcsr reserved bits must be masked to zero for security reasons. 275 * mxcsr reserved bits must be masked to zero for security reasons.
279 */ 276 */
280 target->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask; 277 target->thread.fpu.state->fxsave.mxcsr &= mxcsr_feature_mask;
281 278
282 xsave_hdr = &target->thread.xstate->xsave.xsave_hdr; 279 xsave_hdr = &target->thread.fpu.state->xsave.xsave_hdr;
283 280
284 xsave_hdr->xstate_bv &= pcntxt_mask; 281 xsave_hdr->xstate_bv &= pcntxt_mask;
285 /* 282 /*
@@ -365,7 +362,7 @@ static inline u32 twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
365static void 362static void
366convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk) 363convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)
367{ 364{
368 struct i387_fxsave_struct *fxsave = &tsk->thread.xstate->fxsave; 365 struct i387_fxsave_struct *fxsave = &tsk->thread.fpu.state->fxsave;
369 struct _fpreg *to = (struct _fpreg *) &env->st_space[0]; 366 struct _fpreg *to = (struct _fpreg *) &env->st_space[0];
370 struct _fpxreg *from = (struct _fpxreg *) &fxsave->st_space[0]; 367 struct _fpxreg *from = (struct _fpxreg *) &fxsave->st_space[0];
371 int i; 368 int i;
@@ -405,7 +402,7 @@ static void convert_to_fxsr(struct task_struct *tsk,
405 const struct user_i387_ia32_struct *env) 402 const struct user_i387_ia32_struct *env)
406 403
407{ 404{
408 struct i387_fxsave_struct *fxsave = &tsk->thread.xstate->fxsave; 405 struct i387_fxsave_struct *fxsave = &tsk->thread.fpu.state->fxsave;
409 struct _fpreg *from = (struct _fpreg *) &env->st_space[0]; 406 struct _fpreg *from = (struct _fpreg *) &env->st_space[0];
410 struct _fpxreg *to = (struct _fpxreg *) &fxsave->st_space[0]; 407 struct _fpxreg *to = (struct _fpxreg *) &fxsave->st_space[0];
411 int i; 408 int i;
@@ -445,7 +442,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset,
445 442
446 if (!cpu_has_fxsr) { 443 if (!cpu_has_fxsr) {
447 return user_regset_copyout(&pos, &count, &kbuf, &ubuf, 444 return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
448 &target->thread.xstate->fsave, 0, 445 &target->thread.fpu.state->fsave, 0,
449 -1); 446 -1);
450 } 447 }
451 448
@@ -475,7 +472,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
475 472
476 if (!cpu_has_fxsr) { 473 if (!cpu_has_fxsr) {
477 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, 474 return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
478 &target->thread.xstate->fsave, 0, -1); 475 &target->thread.fpu.state->fsave, 0, -1);
479 } 476 }
480 477
481 if (pos > 0 || count < sizeof(env)) 478 if (pos > 0 || count < sizeof(env))
@@ -490,7 +487,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
490 * presence of FP. 487 * presence of FP.
491 */ 488 */
492 if (cpu_has_xsave) 489 if (cpu_has_xsave)
493 target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FP; 490 target->thread.fpu.state->xsave.xsave_hdr.xstate_bv |= XSTATE_FP;
494 return ret; 491 return ret;
495} 492}
496 493
@@ -501,7 +498,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
501static inline int save_i387_fsave(struct _fpstate_ia32 __user *buf) 498static inline int save_i387_fsave(struct _fpstate_ia32 __user *buf)
502{ 499{
503 struct task_struct *tsk = current; 500 struct task_struct *tsk = current;
504 struct i387_fsave_struct *fp = &tsk->thread.xstate->fsave; 501 struct i387_fsave_struct *fp = &tsk->thread.fpu.state->fsave;
505 502
506 fp->status = fp->swd; 503 fp->status = fp->swd;
507 if (__copy_to_user(buf, fp, sizeof(struct i387_fsave_struct))) 504 if (__copy_to_user(buf, fp, sizeof(struct i387_fsave_struct)))
@@ -512,7 +509,7 @@ static inline int save_i387_fsave(struct _fpstate_ia32 __user *buf)
512static int save_i387_fxsave(struct _fpstate_ia32 __user *buf) 509static int save_i387_fxsave(struct _fpstate_ia32 __user *buf)
513{ 510{
514 struct task_struct *tsk = current; 511 struct task_struct *tsk = current;
515 struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; 512 struct i387_fxsave_struct *fx = &tsk->thread.fpu.state->fxsave;
516 struct user_i387_ia32_struct env; 513 struct user_i387_ia32_struct env;
517 int err = 0; 514 int err = 0;
518 515
@@ -547,7 +544,7 @@ static int save_i387_xsave(void __user *buf)
547 * header as well as change any contents in the memory layout. 544 * header as well as change any contents in the memory layout.
548 * xrestore as part of sigreturn will capture all the changes. 545 * xrestore as part of sigreturn will capture all the changes.
549 */ 546 */
550 tsk->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE; 547 tsk->thread.fpu.state->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE;
551 548
552 if (save_i387_fxsave(fx) < 0) 549 if (save_i387_fxsave(fx) < 0)
553 return -1; 550 return -1;
@@ -599,7 +596,7 @@ static inline int restore_i387_fsave(struct _fpstate_ia32 __user *buf)
599{ 596{
600 struct task_struct *tsk = current; 597 struct task_struct *tsk = current;
601 598
602 return __copy_from_user(&tsk->thread.xstate->fsave, buf, 599 return __copy_from_user(&tsk->thread.fpu.state->fsave, buf,
603 sizeof(struct i387_fsave_struct)); 600 sizeof(struct i387_fsave_struct));
604} 601}
605 602
@@ -610,10 +607,10 @@ static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf,
610 struct user_i387_ia32_struct env; 607 struct user_i387_ia32_struct env;
611 int err; 608 int err;
612 609
613 err = __copy_from_user(&tsk->thread.xstate->fxsave, &buf->_fxsr_env[0], 610 err = __copy_from_user(&tsk->thread.fpu.state->fxsave, &buf->_fxsr_env[0],
614 size); 611 size);
615 /* mxcsr reserved bits must be masked to zero for security reasons */ 612 /* mxcsr reserved bits must be masked to zero for security reasons */
616 tsk->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask; 613 tsk->thread.fpu.state->fxsave.mxcsr &= mxcsr_feature_mask;
617 if (err || __copy_from_user(&env, buf, sizeof(env))) 614 if (err || __copy_from_user(&env, buf, sizeof(env)))
618 return 1; 615 return 1;
619 convert_to_fxsr(tsk, &env); 616 convert_to_fxsr(tsk, &env);
@@ -629,7 +626,7 @@ static int restore_i387_xsave(void __user *buf)
629 struct i387_fxsave_struct __user *fx = 626 struct i387_fxsave_struct __user *fx =
630 (struct i387_fxsave_struct __user *) &fx_user->_fxsr_env[0]; 627 (struct i387_fxsave_struct __user *) &fx_user->_fxsr_env[0];
631 struct xsave_hdr_struct *xsave_hdr = 628 struct xsave_hdr_struct *xsave_hdr =
632 &current->thread.xstate->xsave.xsave_hdr; 629 &current->thread.fpu.state->xsave.xsave_hdr;
633 u64 mask; 630 u64 mask;
634 int err; 631 int err;
635 632
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 23c167925a5c..2dfd31597443 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -16,7 +16,7 @@
16#include <asm/hpet.h> 16#include <asm/hpet.h>
17#include <asm/smp.h> 17#include <asm/smp.h>
18 18
19DEFINE_SPINLOCK(i8253_lock); 19DEFINE_RAW_SPINLOCK(i8253_lock);
20EXPORT_SYMBOL(i8253_lock); 20EXPORT_SYMBOL(i8253_lock);
21 21
22/* 22/*
@@ -33,7 +33,7 @@ struct clock_event_device *global_clock_event;
33static void init_pit_timer(enum clock_event_mode mode, 33static void init_pit_timer(enum clock_event_mode mode,
34 struct clock_event_device *evt) 34 struct clock_event_device *evt)
35{ 35{
36 spin_lock(&i8253_lock); 36 raw_spin_lock(&i8253_lock);
37 37
38 switch (mode) { 38 switch (mode) {
39 case CLOCK_EVT_MODE_PERIODIC: 39 case CLOCK_EVT_MODE_PERIODIC:
@@ -62,7 +62,7 @@ static void init_pit_timer(enum clock_event_mode mode,
62 /* Nothing to do here */ 62 /* Nothing to do here */
63 break; 63 break;
64 } 64 }
65 spin_unlock(&i8253_lock); 65 raw_spin_unlock(&i8253_lock);
66} 66}
67 67
68/* 68/*
@@ -72,10 +72,10 @@ static void init_pit_timer(enum clock_event_mode mode,
72 */ 72 */
73static int pit_next_event(unsigned long delta, struct clock_event_device *evt) 73static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
74{ 74{
75 spin_lock(&i8253_lock); 75 raw_spin_lock(&i8253_lock);
76 outb_pit(delta & 0xff , PIT_CH0); /* LSB */ 76 outb_pit(delta & 0xff , PIT_CH0); /* LSB */
77 outb_pit(delta >> 8 , PIT_CH0); /* MSB */ 77 outb_pit(delta >> 8 , PIT_CH0); /* MSB */
78 spin_unlock(&i8253_lock); 78 raw_spin_unlock(&i8253_lock);
79 79
80 return 0; 80 return 0;
81} 81}
@@ -130,7 +130,7 @@ static cycle_t pit_read(struct clocksource *cs)
130 int count; 130 int count;
131 u32 jifs; 131 u32 jifs;
132 132
133 spin_lock_irqsave(&i8253_lock, flags); 133 raw_spin_lock_irqsave(&i8253_lock, flags);
134 /* 134 /*
135 * Although our caller may have the read side of xtime_lock, 135 * Although our caller may have the read side of xtime_lock,
136 * this is now a seqlock, and we are cheating in this routine 136 * this is now a seqlock, and we are cheating in this routine
@@ -176,7 +176,7 @@ static cycle_t pit_read(struct clocksource *cs)
176 old_count = count; 176 old_count = count;
177 old_jifs = jifs; 177 old_jifs = jifs;
178 178
179 spin_unlock_irqrestore(&i8253_lock, flags); 179 raw_spin_unlock_irqrestore(&i8253_lock, flags);
180 180
181 count = (LATCH - 1) - count; 181 count = (LATCH - 1) - count;
182 182
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 0ed2d300cd46..990ae7cfc578 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -60,7 +60,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
60 outb(0, 0xF0); 60 outb(0, 0xF0);
61 if (ignore_fpu_irq || !boot_cpu_data.hard_math) 61 if (ignore_fpu_irq || !boot_cpu_data.hard_math)
62 return IRQ_NONE; 62 return IRQ_NONE;
63 math_error((void __user *)get_irq_regs()->ip); 63 math_error(get_irq_regs(), 0, 16);
64 return IRQ_HANDLED; 64 return IRQ_HANDLED;
65} 65}
66 66
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index f2f56c0967b6..345a4b1fe144 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -542,20 +542,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
542 struct kprobe_ctlblk *kcb; 542 struct kprobe_ctlblk *kcb;
543 543
544 addr = (kprobe_opcode_t *)(regs->ip - sizeof(kprobe_opcode_t)); 544 addr = (kprobe_opcode_t *)(regs->ip - sizeof(kprobe_opcode_t));
545 if (*addr != BREAKPOINT_INSTRUCTION) {
546 /*
547 * The breakpoint instruction was removed right
548 * after we hit it. Another cpu has removed
549 * either a probepoint or a debugger breakpoint
550 * at this address. In either case, no further
551 * handling of this interrupt is appropriate.
552 * Back up over the (now missing) int3 and run
553 * the original instruction.
554 */
555 regs->ip = (unsigned long)addr;
556 return 1;
557 }
558
559 /* 545 /*
560 * We don't want to be preempted for the entire 546 * We don't want to be preempted for the entire
561 * duration of kprobe processing. We conditionally 547 * duration of kprobe processing. We conditionally
@@ -587,6 +573,19 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
587 setup_singlestep(p, regs, kcb, 0); 573 setup_singlestep(p, regs, kcb, 0);
588 return 1; 574 return 1;
589 } 575 }
576 } else if (*addr != BREAKPOINT_INSTRUCTION) {
577 /*
578 * The breakpoint instruction was removed right
579 * after we hit it. Another cpu has removed
580 * either a probepoint or a debugger breakpoint
581 * at this address. In either case, no further
582 * handling of this interrupt is appropriate.
583 * Back up over the (now missing) int3 and run
584 * the original instruction.
585 */
586 regs->ip = (unsigned long)addr;
587 preempt_enable_no_resched();
588 return 1;
590 } else if (kprobe_running()) { 589 } else if (kprobe_running()) {
591 p = __get_cpu_var(current_kprobe); 590 p = __get_cpu_var(current_kprobe);
592 if (p->break_handler && p->break_handler(p, regs)) { 591 if (p->break_handler && p->break_handler(p, regs)) {
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index cceb5bc3c3c2..2cd8c544e41a 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -201,9 +201,9 @@ static int do_microcode_update(const void __user *buf, size_t size)
201 return error; 201 return error;
202} 202}
203 203
204static int microcode_open(struct inode *unused1, struct file *unused2) 204static int microcode_open(struct inode *inode, struct file *file)
205{ 205{
206 return capable(CAP_SYS_RAWIO) ? 0 : -EPERM; 206 return capable(CAP_SYS_RAWIO) ? nonseekable_open(inode, file) : -EPERM;
207} 207}
208 208
209static ssize_t microcode_write(struct file *file, const char __user *buf, 209static ssize_t microcode_write(struct file *file, const char __user *buf,
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
index 85a343e28937..356170262a93 100644
--- a/arch/x86/kernel/microcode_intel.c
+++ b/arch/x86/kernel/microcode_intel.c
@@ -343,10 +343,11 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
343 int (*get_ucode_data)(void *, const void *, size_t)) 343 int (*get_ucode_data)(void *, const void *, size_t))
344{ 344{
345 struct ucode_cpu_info *uci = ucode_cpu_info + cpu; 345 struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
346 u8 *ucode_ptr = data, *new_mc = NULL, *mc; 346 u8 *ucode_ptr = data, *new_mc = NULL, *mc = NULL;
347 int new_rev = uci->cpu_sig.rev; 347 int new_rev = uci->cpu_sig.rev;
348 unsigned int leftover = size; 348 unsigned int leftover = size;
349 enum ucode_state state = UCODE_OK; 349 enum ucode_state state = UCODE_OK;
350 unsigned int curr_mc_size = 0;
350 351
351 while (leftover) { 352 while (leftover) {
352 struct microcode_header_intel mc_header; 353 struct microcode_header_intel mc_header;
@@ -361,9 +362,15 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
361 break; 362 break;
362 } 363 }
363 364
364 mc = vmalloc(mc_size); 365 /* For performance reasons, reuse mc area when possible */
365 if (!mc) 366 if (!mc || mc_size > curr_mc_size) {
366 break; 367 if (mc)
368 vfree(mc);
369 mc = vmalloc(mc_size);
370 if (!mc)
371 break;
372 curr_mc_size = mc_size;
373 }
367 374
368 if (get_ucode_data(mc, ucode_ptr, mc_size) || 375 if (get_ucode_data(mc, ucode_ptr, mc_size) ||
369 microcode_sanity_check(mc) < 0) { 376 microcode_sanity_check(mc) < 0) {
@@ -376,13 +383,16 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
376 vfree(new_mc); 383 vfree(new_mc);
377 new_rev = mc_header.rev; 384 new_rev = mc_header.rev;
378 new_mc = mc; 385 new_mc = mc;
379 } else 386 mc = NULL; /* trigger new vmalloc */
380 vfree(mc); 387 }
381 388
382 ucode_ptr += mc_size; 389 ucode_ptr += mc_size;
383 leftover -= mc_size; 390 leftover -= mc_size;
384 } 391 }
385 392
393 if (mc)
394 vfree(mc);
395
386 if (leftover) { 396 if (leftover) {
387 if (new_mc) 397 if (new_mc)
388 vfree(new_mc); 398 vfree(new_mc);
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index e81030f71a8f..5ae5d2426edf 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -115,21 +115,6 @@ static void __init MP_bus_info(struct mpc_bus *m)
115 printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str); 115 printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
116} 116}
117 117
118static int bad_ioapic(unsigned long address)
119{
120 if (nr_ioapics >= MAX_IO_APICS) {
121 printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
122 "(found %d)\n", MAX_IO_APICS, nr_ioapics);
123 panic("Recompile kernel with bigger MAX_IO_APICS!\n");
124 }
125 if (!address) {
126 printk(KERN_ERR "WARNING: Bogus (zero) I/O APIC address"
127 " found in table, skipping!\n");
128 return 1;
129 }
130 return 0;
131}
132
133static void __init MP_ioapic_info(struct mpc_ioapic *m) 118static void __init MP_ioapic_info(struct mpc_ioapic *m)
134{ 119{
135 if (!(m->flags & MPC_APIC_USABLE)) 120 if (!(m->flags & MPC_APIC_USABLE))
@@ -138,15 +123,7 @@ static void __init MP_ioapic_info(struct mpc_ioapic *m)
138 printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n", 123 printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
139 m->apicid, m->apicver, m->apicaddr); 124 m->apicid, m->apicver, m->apicaddr);
140 125
141 if (bad_ioapic(m->apicaddr)) 126 mp_register_ioapic(m->apicid, m->apicaddr, gsi_end + 1);
142 return;
143
144 mp_ioapics[nr_ioapics].apicaddr = m->apicaddr;
145 mp_ioapics[nr_ioapics].apicid = m->apicid;
146 mp_ioapics[nr_ioapics].type = m->type;
147 mp_ioapics[nr_ioapics].apicver = m->apicver;
148 mp_ioapics[nr_ioapics].flags = m->flags;
149 nr_ioapics++;
150} 127}
151 128
152static void print_MP_intsrc_info(struct mpc_intsrc *m) 129static void print_MP_intsrc_info(struct mpc_intsrc *m)
diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
index 0aad8670858e..e796448f0eb5 100644
--- a/arch/x86/kernel/mrst.c
+++ b/arch/x86/kernel/mrst.c
@@ -237,4 +237,9 @@ void __init x86_mrst_early_setup(void)
237 x86_init.pci.fixup_irqs = x86_init_noop; 237 x86_init.pci.fixup_irqs = x86_init_noop;
238 238
239 legacy_pic = &null_legacy_pic; 239 legacy_pic = &null_legacy_pic;
240
241 /* Avoid searching for BIOS MP tables */
242 x86_init.mpparse.find_smp_config = x86_init_noop;
243 x86_init.mpparse.get_smp_config = x86_init_uint_noop;
244
240} 245}
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index eccdb57094e3..e7e35219b32f 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -31,24 +31,22 @@ struct kmem_cache *task_xstate_cachep;
31 31
32int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) 32int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
33{ 33{
34 int ret;
35
34 *dst = *src; 36 *dst = *src;
35 if (src->thread.xstate) { 37 if (fpu_allocated(&src->thread.fpu)) {
36 dst->thread.xstate = kmem_cache_alloc(task_xstate_cachep, 38 memset(&dst->thread.fpu, 0, sizeof(dst->thread.fpu));
37 GFP_KERNEL); 39 ret = fpu_alloc(&dst->thread.fpu);
38 if (!dst->thread.xstate) 40 if (ret)
39 return -ENOMEM; 41 return ret;
40 WARN_ON((unsigned long)dst->thread.xstate & 15); 42 fpu_copy(&dst->thread.fpu, &src->thread.fpu);
41 memcpy(dst->thread.xstate, src->thread.xstate, xstate_size);
42 } 43 }
43 return 0; 44 return 0;
44} 45}
45 46
46void free_thread_xstate(struct task_struct *tsk) 47void free_thread_xstate(struct task_struct *tsk)
47{ 48{
48 if (tsk->thread.xstate) { 49 fpu_free(&tsk->thread.fpu);
49 kmem_cache_free(task_xstate_cachep, tsk->thread.xstate);
50 tsk->thread.xstate = NULL;
51 }
52} 50}
53 51
54void free_thread_info(struct thread_info *ti) 52void free_thread_info(struct thread_info *ti)
@@ -548,11 +546,13 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
548 * check OSVW bit for CPUs that are not affected 546 * check OSVW bit for CPUs that are not affected
549 * by erratum #400 547 * by erratum #400
550 */ 548 */
551 rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val); 549 if (cpu_has(c, X86_FEATURE_OSVW)) {
552 if (val >= 2) { 550 rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val);
553 rdmsrl(MSR_AMD64_OSVW_STATUS, val); 551 if (val >= 2) {
554 if (!(val & BIT(1))) 552 rdmsrl(MSR_AMD64_OSVW_STATUS, val);
555 goto no_c1e_idle; 553 if (!(val & BIT(1)))
554 goto no_c1e_idle;
555 }
556 } 556 }
557 return 1; 557 return 1;
558 } 558 }
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 75090c589b7a..8d128783af47 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -309,7 +309,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
309 309
310 /* we're going to use this soon, after a few expensive things */ 310 /* we're going to use this soon, after a few expensive things */
311 if (preload_fpu) 311 if (preload_fpu)
312 prefetch(next->xstate); 312 prefetch(next->fpu.state);
313 313
314 /* 314 /*
315 * Reload esp0. 315 * Reload esp0.
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 50cc84ac0a0d..3c2422a99f1f 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -388,7 +388,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
388 388
389 /* we're going to use this soon, after a few expensive things */ 389 /* we're going to use this soon, after a few expensive things */
390 if (preload_fpu) 390 if (preload_fpu)
391 prefetch(next->xstate); 391 prefetch(next->fpu.state);
392 392
393 /* 393 /*
394 * Reload esp0, LDT and the page table pointer: 394 * Reload esp0, LDT and the page table pointer:
diff --git a/arch/x86/kernel/sfi.c b/arch/x86/kernel/sfi.c
index 34e099382651..7ded57896c0a 100644
--- a/arch/x86/kernel/sfi.c
+++ b/arch/x86/kernel/sfi.c
@@ -81,7 +81,6 @@ static int __init sfi_parse_cpus(struct sfi_table_header *table)
81#endif /* CONFIG_X86_LOCAL_APIC */ 81#endif /* CONFIG_X86_LOCAL_APIC */
82 82
83#ifdef CONFIG_X86_IO_APIC 83#ifdef CONFIG_X86_IO_APIC
84static u32 gsi_base;
85 84
86static int __init sfi_parse_ioapic(struct sfi_table_header *table) 85static int __init sfi_parse_ioapic(struct sfi_table_header *table)
87{ 86{
@@ -94,8 +93,7 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table)
94 pentry = (struct sfi_apic_table_entry *)sb->pentry; 93 pentry = (struct sfi_apic_table_entry *)sb->pentry;
95 94
96 for (i = 0; i < num; i++) { 95 for (i = 0; i < num; i++) {
97 mp_register_ioapic(i, pentry->phys_addr, gsi_base); 96 mp_register_ioapic(i, pentry->phys_addr, gsi_end + 1);
98 gsi_base += io_apic_get_redir_entries(i);
99 pentry++; 97 pentry++;
100 } 98 }
101 99
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index 86c9f91b48ae..cc2c60474fd0 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -175,6 +175,9 @@ static void add_mac_region(phys_addr_t start, unsigned long size)
175 struct tboot_mac_region *mr; 175 struct tboot_mac_region *mr;
176 phys_addr_t end = start + size; 176 phys_addr_t end = start + size;
177 177
178 if (tboot->num_mac_regions >= MAX_TB_MAC_REGIONS)
179 panic("tboot: Too many MAC regions\n");
180
178 if (start && size) { 181 if (start && size) {
179 mr = &tboot->mac_regions[tboot->num_mac_regions++]; 182 mr = &tboot->mac_regions[tboot->num_mac_regions++];
180 mr->start = round_down(start, PAGE_SIZE); 183 mr->start = round_down(start, PAGE_SIZE);
@@ -184,18 +187,17 @@ static void add_mac_region(phys_addr_t start, unsigned long size)
184 187
185static int tboot_setup_sleep(void) 188static int tboot_setup_sleep(void)
186{ 189{
190 int i;
191
187 tboot->num_mac_regions = 0; 192 tboot->num_mac_regions = 0;
188 193
189 /* S3 resume code */ 194 for (i = 0; i < e820.nr_map; i++) {
190 add_mac_region(acpi_wakeup_address, WAKEUP_SIZE); 195 if ((e820.map[i].type != E820_RAM)
196 && (e820.map[i].type != E820_RESERVED_KERN))
197 continue;
191 198
192#ifdef CONFIG_X86_TRAMPOLINE 199 add_mac_region(e820.map[i].addr, e820.map[i].size);
193 /* AP trampoline code */ 200 }
194 add_mac_region(virt_to_phys(trampoline_base), TRAMPOLINE_SIZE);
195#endif
196
197 /* kernel code + data + bss */
198 add_mac_region(virt_to_phys(_text), _end - _text);
199 201
200 tboot->acpi_sinfo.kernel_s3_resume_vector = acpi_wakeup_address; 202 tboot->acpi_sinfo.kernel_s3_resume_vector = acpi_wakeup_address;
201 203
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index 17b03dd3a6b5..7fea555929e2 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * SGI UltraViolet TLB flush routines. 2 * SGI UltraViolet TLB flush routines.
3 * 3 *
4 * (c) 2008 Cliff Wickman <cpw@sgi.com>, SGI. 4 * (c) 2008-2010 Cliff Wickman <cpw@sgi.com>, SGI.
5 * 5 *
6 * This code is released under the GNU General Public License version 2 or 6 * This code is released under the GNU General Public License version 2 or
7 * later. 7 * later.
@@ -20,42 +20,67 @@
20#include <asm/idle.h> 20#include <asm/idle.h>
21#include <asm/tsc.h> 21#include <asm/tsc.h>
22#include <asm/irq_vectors.h> 22#include <asm/irq_vectors.h>
23#include <asm/timer.h>
23 24
24static struct bau_control **uv_bau_table_bases __read_mostly; 25struct msg_desc {
25static int uv_bau_retry_limit __read_mostly; 26 struct bau_payload_queue_entry *msg;
27 int msg_slot;
28 int sw_ack_slot;
29 struct bau_payload_queue_entry *va_queue_first;
30 struct bau_payload_queue_entry *va_queue_last;
31};
26 32
27/* base pnode in this partition */ 33#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL
28static int uv_partition_base_pnode __read_mostly; 34
35static int uv_bau_max_concurrent __read_mostly;
36
37static int nobau;
38static int __init setup_nobau(char *arg)
39{
40 nobau = 1;
41 return 0;
42}
43early_param("nobau", setup_nobau);
29 44
30static unsigned long uv_mmask __read_mostly; 45/* base pnode in this partition */
46static int uv_partition_base_pnode __read_mostly;
47/* position of pnode (which is nasid>>1): */
48static int uv_nshift __read_mostly;
49static unsigned long uv_mmask __read_mostly;
31 50
32static DEFINE_PER_CPU(struct ptc_stats, ptcstats); 51static DEFINE_PER_CPU(struct ptc_stats, ptcstats);
33static DEFINE_PER_CPU(struct bau_control, bau_control); 52static DEFINE_PER_CPU(struct bau_control, bau_control);
53static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask);
54
55struct reset_args {
56 int sender;
57};
34 58
35/* 59/*
36 * Determine the first node on a blade. 60 * Determine the first node on a uvhub. 'Nodes' are used for kernel
61 * memory allocation.
37 */ 62 */
38static int __init blade_to_first_node(int blade) 63static int __init uvhub_to_first_node(int uvhub)
39{ 64{
40 int node, b; 65 int node, b;
41 66
42 for_each_online_node(node) { 67 for_each_online_node(node) {
43 b = uv_node_to_blade_id(node); 68 b = uv_node_to_blade_id(node);
44 if (blade == b) 69 if (uvhub == b)
45 return node; 70 return node;
46 } 71 }
47 return -1; /* shouldn't happen */ 72 return -1;
48} 73}
49 74
50/* 75/*
51 * Determine the apicid of the first cpu on a blade. 76 * Determine the apicid of the first cpu on a uvhub.
52 */ 77 */
53static int __init blade_to_first_apicid(int blade) 78static int __init uvhub_to_first_apicid(int uvhub)
54{ 79{
55 int cpu; 80 int cpu;
56 81
57 for_each_present_cpu(cpu) 82 for_each_present_cpu(cpu)
58 if (blade == uv_cpu_to_blade_id(cpu)) 83 if (uvhub == uv_cpu_to_blade_id(cpu))
59 return per_cpu(x86_cpu_to_apicid, cpu); 84 return per_cpu(x86_cpu_to_apicid, cpu);
60 return -1; 85 return -1;
61} 86}
@@ -68,195 +93,459 @@ static int __init blade_to_first_apicid(int blade)
68 * clear of the Timeout bit (as well) will free the resource. No reply will 93 * clear of the Timeout bit (as well) will free the resource. No reply will
69 * be sent (the hardware will only do one reply per message). 94 * be sent (the hardware will only do one reply per message).
70 */ 95 */
71static void uv_reply_to_message(int resource, 96static inline void uv_reply_to_message(struct msg_desc *mdp,
72 struct bau_payload_queue_entry *msg, 97 struct bau_control *bcp)
73 struct bau_msg_status *msp)
74{ 98{
75 unsigned long dw; 99 unsigned long dw;
100 struct bau_payload_queue_entry *msg;
76 101
77 dw = (1 << (resource + UV_SW_ACK_NPENDING)) | (1 << resource); 102 msg = mdp->msg;
103 if (!msg->canceled) {
104 dw = (msg->sw_ack_vector << UV_SW_ACK_NPENDING) |
105 msg->sw_ack_vector;
106 uv_write_local_mmr(
107 UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, dw);
108 }
78 msg->replied_to = 1; 109 msg->replied_to = 1;
79 msg->sw_ack_vector = 0; 110 msg->sw_ack_vector = 0;
80 if (msp)
81 msp->seen_by.bits = 0;
82 uv_write_local_mmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, dw);
83} 111}
84 112
85/* 113/*
86 * Do all the things a cpu should do for a TLB shootdown message. 114 * Process the receipt of a RETRY message
87 * Other cpu's may come here at the same time for this message.
88 */ 115 */
89static void uv_bau_process_message(struct bau_payload_queue_entry *msg, 116static inline void uv_bau_process_retry_msg(struct msg_desc *mdp,
90 int msg_slot, int sw_ack_slot) 117 struct bau_control *bcp)
91{ 118{
92 unsigned long this_cpu_mask; 119 int i;
93 struct bau_msg_status *msp; 120 int cancel_count = 0;
94 int cpu; 121 int slot2;
122 unsigned long msg_res;
123 unsigned long mmr = 0;
124 struct bau_payload_queue_entry *msg;
125 struct bau_payload_queue_entry *msg2;
126 struct ptc_stats *stat;
95 127
96 msp = __get_cpu_var(bau_control).msg_statuses + msg_slot; 128 msg = mdp->msg;
97 cpu = uv_blade_processor_id(); 129 stat = &per_cpu(ptcstats, bcp->cpu);
98 msg->number_of_cpus = 130 stat->d_retries++;
99 uv_blade_nr_online_cpus(uv_node_to_blade_id(numa_node_id())); 131 /*
100 this_cpu_mask = 1UL << cpu; 132 * cancel any message from msg+1 to the retry itself
101 if (msp->seen_by.bits & this_cpu_mask) 133 */
102 return; 134 for (msg2 = msg+1, i = 0; i < DEST_Q_SIZE; msg2++, i++) {
103 atomic_or_long(&msp->seen_by.bits, this_cpu_mask); 135 if (msg2 > mdp->va_queue_last)
136 msg2 = mdp->va_queue_first;
137 if (msg2 == msg)
138 break;
139
140 /* same conditions for cancellation as uv_do_reset */
141 if ((msg2->replied_to == 0) && (msg2->canceled == 0) &&
142 (msg2->sw_ack_vector) && ((msg2->sw_ack_vector &
143 msg->sw_ack_vector) == 0) &&
144 (msg2->sending_cpu == msg->sending_cpu) &&
145 (msg2->msg_type != MSG_NOOP)) {
146 slot2 = msg2 - mdp->va_queue_first;
147 mmr = uv_read_local_mmr
148 (UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
149 msg_res = ((msg2->sw_ack_vector << 8) |
150 msg2->sw_ack_vector);
151 /*
152 * This is a message retry; clear the resources held
153 * by the previous message only if they timed out.
154 * If it has not timed out we have an unexpected
155 * situation to report.
156 */
157 if (mmr & (msg_res << 8)) {
158 /*
159 * is the resource timed out?
160 * make everyone ignore the cancelled message.
161 */
162 msg2->canceled = 1;
163 stat->d_canceled++;
164 cancel_count++;
165 uv_write_local_mmr(
166 UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS,
167 (msg_res << 8) | msg_res);
168 } else
169 printk(KERN_INFO "note bau retry: no effect\n");
170 }
171 }
172 if (!cancel_count)
173 stat->d_nocanceled++;
174}
104 175
105 if (msg->replied_to == 1) 176/*
106 return; 177 * Do all the things a cpu should do for a TLB shootdown message.
178 * Other cpu's may come here at the same time for this message.
179 */
180static void uv_bau_process_message(struct msg_desc *mdp,
181 struct bau_control *bcp)
182{
183 int msg_ack_count;
184 short socket_ack_count = 0;
185 struct ptc_stats *stat;
186 struct bau_payload_queue_entry *msg;
187 struct bau_control *smaster = bcp->socket_master;
107 188
189 /*
190 * This must be a normal message, or retry of a normal message
191 */
192 msg = mdp->msg;
193 stat = &per_cpu(ptcstats, bcp->cpu);
108 if (msg->address == TLB_FLUSH_ALL) { 194 if (msg->address == TLB_FLUSH_ALL) {
109 local_flush_tlb(); 195 local_flush_tlb();
110 __get_cpu_var(ptcstats).alltlb++; 196 stat->d_alltlb++;
111 } else { 197 } else {
112 __flush_tlb_one(msg->address); 198 __flush_tlb_one(msg->address);
113 __get_cpu_var(ptcstats).onetlb++; 199 stat->d_onetlb++;
114 } 200 }
201 stat->d_requestee++;
202
203 /*
204 * One cpu on each uvhub has the additional job on a RETRY
205 * of releasing the resource held by the message that is
206 * being retried. That message is identified by sending
207 * cpu number.
208 */
209 if (msg->msg_type == MSG_RETRY && bcp == bcp->uvhub_master)
210 uv_bau_process_retry_msg(mdp, bcp);
115 211
116 __get_cpu_var(ptcstats).requestee++; 212 /*
213 * This is a sw_ack message, so we have to reply to it.
214 * Count each responding cpu on the socket. This avoids
215 * pinging the count's cache line back and forth between
216 * the sockets.
217 */
218 socket_ack_count = atomic_add_short_return(1, (struct atomic_short *)
219 &smaster->socket_acknowledge_count[mdp->msg_slot]);
220 if (socket_ack_count == bcp->cpus_in_socket) {
221 /*
222 * Both sockets dump their completed count total into
223 * the message's count.
224 */
225 smaster->socket_acknowledge_count[mdp->msg_slot] = 0;
226 msg_ack_count = atomic_add_short_return(socket_ack_count,
227 (struct atomic_short *)&msg->acknowledge_count);
228
229 if (msg_ack_count == bcp->cpus_in_uvhub) {
230 /*
231 * All cpus in uvhub saw it; reply
232 */
233 uv_reply_to_message(mdp, bcp);
234 }
235 }
117 236
118 atomic_inc_short(&msg->acknowledge_count); 237 return;
119 if (msg->number_of_cpus == msg->acknowledge_count)
120 uv_reply_to_message(sw_ack_slot, msg, msp);
121} 238}
122 239
123/* 240/*
124 * Examine the payload queue on one distribution node to see 241 * Determine the first cpu on a uvhub.
125 * which messages have not been seen, and which cpu(s) have not seen them. 242 */
243static int uvhub_to_first_cpu(int uvhub)
244{
245 int cpu;
246 for_each_present_cpu(cpu)
247 if (uvhub == uv_cpu_to_blade_id(cpu))
248 return cpu;
249 return -1;
250}
251
252/*
253 * Last resort when we get a large number of destination timeouts is
254 * to clear resources held by a given cpu.
255 * Do this with IPI so that all messages in the BAU message queue
256 * can be identified by their nonzero sw_ack_vector field.
126 * 257 *
127 * Returns the number of cpu's that have not responded. 258 * This is entered for a single cpu on the uvhub.
259 * The sender want's this uvhub to free a specific message's
260 * sw_ack resources.
128 */ 261 */
129static int uv_examine_destination(struct bau_control *bau_tablesp, int sender) 262static void
263uv_do_reset(void *ptr)
130{ 264{
131 struct bau_payload_queue_entry *msg;
132 struct bau_msg_status *msp;
133 int count = 0;
134 int i; 265 int i;
135 int j; 266 int slot;
267 int count = 0;
268 unsigned long mmr;
269 unsigned long msg_res;
270 struct bau_control *bcp;
271 struct reset_args *rap;
272 struct bau_payload_queue_entry *msg;
273 struct ptc_stats *stat;
136 274
137 for (msg = bau_tablesp->va_queue_first, i = 0; i < DEST_Q_SIZE; 275 bcp = &per_cpu(bau_control, smp_processor_id());
138 msg++, i++) { 276 rap = (struct reset_args *)ptr;
139 if ((msg->sending_cpu == sender) && (!msg->replied_to)) { 277 stat = &per_cpu(ptcstats, bcp->cpu);
140 msp = bau_tablesp->msg_statuses + i; 278 stat->d_resets++;
141 printk(KERN_DEBUG 279
142 "blade %d: address:%#lx %d of %d, not cpu(s): ", 280 /*
143 i, msg->address, msg->acknowledge_count, 281 * We're looking for the given sender, and
144 msg->number_of_cpus); 282 * will free its sw_ack resource.
145 for (j = 0; j < msg->number_of_cpus; j++) { 283 * If all cpu's finally responded after the timeout, its
146 if (!((1L << j) & msp->seen_by.bits)) { 284 * message 'replied_to' was set.
147 count++; 285 */
148 printk("%d ", j); 286 for (msg = bcp->va_queue_first, i = 0; i < DEST_Q_SIZE; msg++, i++) {
149 } 287 /* uv_do_reset: same conditions for cancellation as
288 uv_bau_process_retry_msg() */
289 if ((msg->replied_to == 0) &&
290 (msg->canceled == 0) &&
291 (msg->sending_cpu == rap->sender) &&
292 (msg->sw_ack_vector) &&
293 (msg->msg_type != MSG_NOOP)) {
294 /*
295 * make everyone else ignore this message
296 */
297 msg->canceled = 1;
298 slot = msg - bcp->va_queue_first;
299 count++;
300 /*
301 * only reset the resource if it is still pending
302 */
303 mmr = uv_read_local_mmr
304 (UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
305 msg_res = ((msg->sw_ack_vector << 8) |
306 msg->sw_ack_vector);
307 if (mmr & msg_res) {
308 stat->d_rcanceled++;
309 uv_write_local_mmr(
310 UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS,
311 msg_res);
150 } 312 }
151 printk("\n");
152 } 313 }
153 } 314 }
154 return count; 315 return;
155} 316}
156 317
157/* 318/*
158 * Examine the payload queue on all the distribution nodes to see 319 * Use IPI to get all target uvhubs to release resources held by
159 * which messages have not been seen, and which cpu(s) have not seen them. 320 * a given sending cpu number.
160 *
161 * Returns the number of cpu's that have not responded.
162 */ 321 */
163static int uv_examine_destinations(struct bau_target_nodemask *distribution) 322static void uv_reset_with_ipi(struct bau_target_uvhubmask *distribution,
323 int sender)
164{ 324{
165 int sender; 325 int uvhub;
166 int i; 326 int cpu;
167 int count = 0; 327 cpumask_t mask;
328 struct reset_args reset_args;
329
330 reset_args.sender = sender;
168 331
169 sender = smp_processor_id(); 332 cpus_clear(mask);
170 for (i = 0; i < sizeof(struct bau_target_nodemask) * BITSPERBYTE; i++) { 333 /* find a single cpu for each uvhub in this distribution mask */
171 if (!bau_node_isset(i, distribution)) 334 for (uvhub = 0;
335 uvhub < sizeof(struct bau_target_uvhubmask) * BITSPERBYTE;
336 uvhub++) {
337 if (!bau_uvhub_isset(uvhub, distribution))
172 continue; 338 continue;
173 count += uv_examine_destination(uv_bau_table_bases[i], sender); 339 /* find a cpu for this uvhub */
340 cpu = uvhub_to_first_cpu(uvhub);
341 cpu_set(cpu, mask);
174 } 342 }
175 return count; 343 /* IPI all cpus; Preemption is already disabled */
344 smp_call_function_many(&mask, uv_do_reset, (void *)&reset_args, 1);
345 return;
346}
347
348static inline unsigned long
349cycles_2_us(unsigned long long cyc)
350{
351 unsigned long long ns;
352 unsigned long us;
353 ns = (cyc * per_cpu(cyc2ns, smp_processor_id()))
354 >> CYC2NS_SCALE_FACTOR;
355 us = ns / 1000;
356 return us;
176} 357}
177 358
178/* 359/*
179 * wait for completion of a broadcast message 360 * wait for all cpus on this hub to finish their sends and go quiet
180 * 361 * leaves uvhub_quiesce set so that no new broadcasts are started by
181 * return COMPLETE, RETRY or GIVEUP 362 * bau_flush_send_and_wait()
363 */
364static inline void
365quiesce_local_uvhub(struct bau_control *hmaster)
366{
367 atomic_add_short_return(1, (struct atomic_short *)
368 &hmaster->uvhub_quiesce);
369}
370
371/*
372 * mark this quiet-requestor as done
373 */
374static inline void
375end_uvhub_quiesce(struct bau_control *hmaster)
376{
377 atomic_add_short_return(-1, (struct atomic_short *)
378 &hmaster->uvhub_quiesce);
379}
380
381/*
382 * Wait for completion of a broadcast software ack message
383 * return COMPLETE, RETRY(PLUGGED or TIMEOUT) or GIVEUP
182 */ 384 */
183static int uv_wait_completion(struct bau_desc *bau_desc, 385static int uv_wait_completion(struct bau_desc *bau_desc,
184 unsigned long mmr_offset, int right_shift) 386 unsigned long mmr_offset, int right_shift, int this_cpu,
387 struct bau_control *bcp, struct bau_control *smaster, long try)
185{ 388{
186 int exams = 0; 389 int relaxes = 0;
187 long destination_timeouts = 0;
188 long source_timeouts = 0;
189 unsigned long descriptor_status; 390 unsigned long descriptor_status;
391 unsigned long mmr;
392 unsigned long mask;
393 cycles_t ttime;
394 cycles_t timeout_time;
395 struct ptc_stats *stat = &per_cpu(ptcstats, this_cpu);
396 struct bau_control *hmaster;
397
398 hmaster = bcp->uvhub_master;
399 timeout_time = get_cycles() + bcp->timeout_interval;
190 400
401 /* spin on the status MMR, waiting for it to go idle */
191 while ((descriptor_status = (((unsigned long) 402 while ((descriptor_status = (((unsigned long)
192 uv_read_local_mmr(mmr_offset) >> 403 uv_read_local_mmr(mmr_offset) >>
193 right_shift) & UV_ACT_STATUS_MASK)) != 404 right_shift) & UV_ACT_STATUS_MASK)) !=
194 DESC_STATUS_IDLE) { 405 DESC_STATUS_IDLE) {
195 if (descriptor_status == DESC_STATUS_SOURCE_TIMEOUT) {
196 source_timeouts++;
197 if (source_timeouts > SOURCE_TIMEOUT_LIMIT)
198 source_timeouts = 0;
199 __get_cpu_var(ptcstats).s_retry++;
200 return FLUSH_RETRY;
201 }
202 /* 406 /*
203 * spin here looking for progress at the destinations 407 * Our software ack messages may be blocked because there are
408 * no swack resources available. As long as none of them
409 * has timed out hardware will NACK our message and its
410 * state will stay IDLE.
204 */ 411 */
205 if (descriptor_status == DESC_STATUS_DESTINATION_TIMEOUT) { 412 if (descriptor_status == DESC_STATUS_SOURCE_TIMEOUT) {
206 destination_timeouts++; 413 stat->s_stimeout++;
207 if (destination_timeouts > DESTINATION_TIMEOUT_LIMIT) { 414 return FLUSH_GIVEUP;
208 /* 415 } else if (descriptor_status ==
209 * returns number of cpus not responding 416 DESC_STATUS_DESTINATION_TIMEOUT) {
210 */ 417 stat->s_dtimeout++;
211 if (uv_examine_destinations 418 ttime = get_cycles();
212 (&bau_desc->distribution) == 0) { 419
213 __get_cpu_var(ptcstats).d_retry++; 420 /*
214 return FLUSH_RETRY; 421 * Our retries may be blocked by all destination
215 } 422 * swack resources being consumed, and a timeout
216 exams++; 423 * pending. In that case hardware returns the
217 if (exams >= uv_bau_retry_limit) { 424 * ERROR that looks like a destination timeout.
218 printk(KERN_DEBUG 425 */
219 "uv_flush_tlb_others"); 426 if (cycles_2_us(ttime - bcp->send_message) < BIOS_TO) {
220 printk("giving up on cpu %d\n", 427 bcp->conseccompletes = 0;
221 smp_processor_id()); 428 return FLUSH_RETRY_PLUGGED;
429 }
430
431 bcp->conseccompletes = 0;
432 return FLUSH_RETRY_TIMEOUT;
433 } else {
434 /*
435 * descriptor_status is still BUSY
436 */
437 cpu_relax();
438 relaxes++;
439 if (relaxes >= 10000) {
440 relaxes = 0;
441 if (get_cycles() > timeout_time) {
442 quiesce_local_uvhub(hmaster);
443
444 /* single-thread the register change */
445 spin_lock(&hmaster->masks_lock);
446 mmr = uv_read_local_mmr(mmr_offset);
447 mask = 0UL;
448 mask |= (3UL < right_shift);
449 mask = ~mask;
450 mmr &= mask;
451 uv_write_local_mmr(mmr_offset, mmr);
452 spin_unlock(&hmaster->masks_lock);
453 end_uvhub_quiesce(hmaster);
454 stat->s_busy++;
222 return FLUSH_GIVEUP; 455 return FLUSH_GIVEUP;
223 } 456 }
224 /*
225 * delays can hang the simulator
226 udelay(1000);
227 */
228 destination_timeouts = 0;
229 } 457 }
230 } 458 }
231 cpu_relax();
232 } 459 }
460 bcp->conseccompletes++;
233 return FLUSH_COMPLETE; 461 return FLUSH_COMPLETE;
234} 462}
235 463
464static inline cycles_t
465sec_2_cycles(unsigned long sec)
466{
467 unsigned long ns;
468 cycles_t cyc;
469
470 ns = sec * 1000000000;
471 cyc = (ns << CYC2NS_SCALE_FACTOR)/(per_cpu(cyc2ns, smp_processor_id()));
472 return cyc;
473}
474
475/*
476 * conditionally add 1 to *v, unless *v is >= u
477 * return 0 if we cannot add 1 to *v because it is >= u
478 * return 1 if we can add 1 to *v because it is < u
479 * the add is atomic
480 *
481 * This is close to atomic_add_unless(), but this allows the 'u' value
482 * to be lowered below the current 'v'. atomic_add_unless can only stop
483 * on equal.
484 */
485static inline int atomic_inc_unless_ge(spinlock_t *lock, atomic_t *v, int u)
486{
487 spin_lock(lock);
488 if (atomic_read(v) >= u) {
489 spin_unlock(lock);
490 return 0;
491 }
492 atomic_inc(v);
493 spin_unlock(lock);
494 return 1;
495}
496
236/** 497/**
237 * uv_flush_send_and_wait 498 * uv_flush_send_and_wait
238 * 499 *
239 * Send a broadcast and wait for a broadcast message to complete. 500 * Send a broadcast and wait for it to complete.
240 * 501 *
241 * The flush_mask contains the cpus the broadcast was sent to. 502 * The flush_mask contains the cpus the broadcast is to be sent to, plus
503 * cpus that are on the local uvhub.
242 * 504 *
243 * Returns NULL if all remote flushing was done. The mask is zeroed. 505 * Returns NULL if all flushing represented in the mask was done. The mask
506 * is zeroed.
244 * Returns @flush_mask if some remote flushing remains to be done. The 507 * Returns @flush_mask if some remote flushing remains to be done. The
245 * mask will have some bits still set. 508 * mask will have some bits still set, representing any cpus on the local
509 * uvhub (not current cpu) and any on remote uvhubs if the broadcast failed.
246 */ 510 */
247const struct cpumask *uv_flush_send_and_wait(int cpu, int this_pnode, 511const struct cpumask *uv_flush_send_and_wait(struct bau_desc *bau_desc,
248 struct bau_desc *bau_desc, 512 struct cpumask *flush_mask,
249 struct cpumask *flush_mask) 513 struct bau_control *bcp)
250{ 514{
251 int completion_status = 0;
252 int right_shift; 515 int right_shift;
253 int tries = 0; 516 int uvhub;
254 int pnode;
255 int bit; 517 int bit;
518 int completion_status = 0;
519 int seq_number = 0;
520 long try = 0;
521 int cpu = bcp->uvhub_cpu;
522 int this_cpu = bcp->cpu;
523 int this_uvhub = bcp->uvhub;
256 unsigned long mmr_offset; 524 unsigned long mmr_offset;
257 unsigned long index; 525 unsigned long index;
258 cycles_t time1; 526 cycles_t time1;
259 cycles_t time2; 527 cycles_t time2;
528 struct ptc_stats *stat = &per_cpu(ptcstats, bcp->cpu);
529 struct bau_control *smaster = bcp->socket_master;
530 struct bau_control *hmaster = bcp->uvhub_master;
531
532 /*
533 * Spin here while there are hmaster->max_concurrent or more active
534 * descriptors. This is the per-uvhub 'throttle'.
535 */
536 if (!atomic_inc_unless_ge(&hmaster->uvhub_lock,
537 &hmaster->active_descriptor_count,
538 hmaster->max_concurrent)) {
539 stat->s_throttles++;
540 do {
541 cpu_relax();
542 } while (!atomic_inc_unless_ge(&hmaster->uvhub_lock,
543 &hmaster->active_descriptor_count,
544 hmaster->max_concurrent));
545 }
546
547 while (hmaster->uvhub_quiesce)
548 cpu_relax();
260 549
261 if (cpu < UV_CPUS_PER_ACT_STATUS) { 550 if (cpu < UV_CPUS_PER_ACT_STATUS) {
262 mmr_offset = UVH_LB_BAU_SB_ACTIVATION_STATUS_0; 551 mmr_offset = UVH_LB_BAU_SB_ACTIVATION_STATUS_0;
@@ -268,24 +557,108 @@ const struct cpumask *uv_flush_send_and_wait(int cpu, int this_pnode,
268 } 557 }
269 time1 = get_cycles(); 558 time1 = get_cycles();
270 do { 559 do {
271 tries++; 560 /*
561 * Every message from any given cpu gets a unique message
562 * sequence number. But retries use that same number.
563 * Our message may have timed out at the destination because
564 * all sw-ack resources are in use and there is a timeout
565 * pending there. In that case, our last send never got
566 * placed into the queue and we need to persist until it
567 * does.
568 *
569 * Make any retry a type MSG_RETRY so that the destination will
570 * free any resource held by a previous message from this cpu.
571 */
572 if (try == 0) {
573 /* use message type set by the caller the first time */
574 seq_number = bcp->message_number++;
575 } else {
576 /* use RETRY type on all the rest; same sequence */
577 bau_desc->header.msg_type = MSG_RETRY;
578 stat->s_retry_messages++;
579 }
580 bau_desc->header.sequence = seq_number;
272 index = (1UL << UVH_LB_BAU_SB_ACTIVATION_CONTROL_PUSH_SHFT) | 581 index = (1UL << UVH_LB_BAU_SB_ACTIVATION_CONTROL_PUSH_SHFT) |
273 cpu; 582 bcp->uvhub_cpu;
583 bcp->send_message = get_cycles();
584
274 uv_write_local_mmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index); 585 uv_write_local_mmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index);
586
587 try++;
275 completion_status = uv_wait_completion(bau_desc, mmr_offset, 588 completion_status = uv_wait_completion(bau_desc, mmr_offset,
276 right_shift); 589 right_shift, this_cpu, bcp, smaster, try);
277 } while (completion_status == FLUSH_RETRY); 590
591 if (completion_status == FLUSH_RETRY_PLUGGED) {
592 /*
593 * Our retries may be blocked by all destination swack
594 * resources being consumed, and a timeout pending. In
595 * that case hardware immediately returns the ERROR
596 * that looks like a destination timeout.
597 */
598 udelay(TIMEOUT_DELAY);
599 bcp->plugged_tries++;
600 if (bcp->plugged_tries >= PLUGSB4RESET) {
601 bcp->plugged_tries = 0;
602 quiesce_local_uvhub(hmaster);
603 spin_lock(&hmaster->queue_lock);
604 uv_reset_with_ipi(&bau_desc->distribution,
605 this_cpu);
606 spin_unlock(&hmaster->queue_lock);
607 end_uvhub_quiesce(hmaster);
608 bcp->ipi_attempts++;
609 stat->s_resets_plug++;
610 }
611 } else if (completion_status == FLUSH_RETRY_TIMEOUT) {
612 hmaster->max_concurrent = 1;
613 bcp->timeout_tries++;
614 udelay(TIMEOUT_DELAY);
615 if (bcp->timeout_tries >= TIMEOUTSB4RESET) {
616 bcp->timeout_tries = 0;
617 quiesce_local_uvhub(hmaster);
618 spin_lock(&hmaster->queue_lock);
619 uv_reset_with_ipi(&bau_desc->distribution,
620 this_cpu);
621 spin_unlock(&hmaster->queue_lock);
622 end_uvhub_quiesce(hmaster);
623 bcp->ipi_attempts++;
624 stat->s_resets_timeout++;
625 }
626 }
627 if (bcp->ipi_attempts >= 3) {
628 bcp->ipi_attempts = 0;
629 completion_status = FLUSH_GIVEUP;
630 break;
631 }
632 cpu_relax();
633 } while ((completion_status == FLUSH_RETRY_PLUGGED) ||
634 (completion_status == FLUSH_RETRY_TIMEOUT));
278 time2 = get_cycles(); 635 time2 = get_cycles();
279 __get_cpu_var(ptcstats).sflush += (time2 - time1);
280 if (tries > 1)
281 __get_cpu_var(ptcstats).retriesok++;
282 636
283 if (completion_status == FLUSH_GIVEUP) { 637 if ((completion_status == FLUSH_COMPLETE) && (bcp->conseccompletes > 5)
638 && (hmaster->max_concurrent < hmaster->max_concurrent_constant))
639 hmaster->max_concurrent++;
640
641 /*
642 * hold any cpu not timing out here; no other cpu currently held by
643 * the 'throttle' should enter the activation code
644 */
645 while (hmaster->uvhub_quiesce)
646 cpu_relax();
647 atomic_dec(&hmaster->active_descriptor_count);
648
649 /* guard against cycles wrap */
650 if (time2 > time1)
651 stat->s_time += (time2 - time1);
652 else
653 stat->s_requestor--; /* don't count this one */
654 if (completion_status == FLUSH_COMPLETE && try > 1)
655 stat->s_retriesok++;
656 else if (completion_status == FLUSH_GIVEUP) {
284 /* 657 /*
285 * Cause the caller to do an IPI-style TLB shootdown on 658 * Cause the caller to do an IPI-style TLB shootdown on
286 * the cpu's, all of which are still in the mask. 659 * the target cpu's, all of which are still in the mask.
287 */ 660 */
288 __get_cpu_var(ptcstats).ptc_i++; 661 stat->s_giveup++;
289 return flush_mask; 662 return flush_mask;
290 } 663 }
291 664
@@ -294,18 +667,17 @@ const struct cpumask *uv_flush_send_and_wait(int cpu, int this_pnode,
294 * use the IPI method of shootdown on them. 667 * use the IPI method of shootdown on them.
295 */ 668 */
296 for_each_cpu(bit, flush_mask) { 669 for_each_cpu(bit, flush_mask) {
297 pnode = uv_cpu_to_pnode(bit); 670 uvhub = uv_cpu_to_blade_id(bit);
298 if (pnode == this_pnode) 671 if (uvhub == this_uvhub)
299 continue; 672 continue;
300 cpumask_clear_cpu(bit, flush_mask); 673 cpumask_clear_cpu(bit, flush_mask);
301 } 674 }
302 if (!cpumask_empty(flush_mask)) 675 if (!cpumask_empty(flush_mask))
303 return flush_mask; 676 return flush_mask;
677
304 return NULL; 678 return NULL;
305} 679}
306 680
307static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask);
308
309/** 681/**
310 * uv_flush_tlb_others - globally purge translation cache of a virtual 682 * uv_flush_tlb_others - globally purge translation cache of a virtual
311 * address or all TLB's 683 * address or all TLB's
@@ -322,8 +694,8 @@ static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask);
322 * The caller has derived the cpumask from the mm_struct. This function 694 * The caller has derived the cpumask from the mm_struct. This function
323 * is called only if there are bits set in the mask. (e.g. flush_tlb_page()) 695 * is called only if there are bits set in the mask. (e.g. flush_tlb_page())
324 * 696 *
325 * The cpumask is converted into a nodemask of the nodes containing 697 * The cpumask is converted into a uvhubmask of the uvhubs containing
326 * the cpus. 698 * those cpus.
327 * 699 *
328 * Note that this function should be called with preemption disabled. 700 * Note that this function should be called with preemption disabled.
329 * 701 *
@@ -335,52 +707,82 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
335 struct mm_struct *mm, 707 struct mm_struct *mm,
336 unsigned long va, unsigned int cpu) 708 unsigned long va, unsigned int cpu)
337{ 709{
338 struct cpumask *flush_mask = __get_cpu_var(uv_flush_tlb_mask); 710 int remotes;
339 int i; 711 int tcpu;
340 int bit; 712 int uvhub;
341 int pnode;
342 int uv_cpu;
343 int this_pnode;
344 int locals = 0; 713 int locals = 0;
345 struct bau_desc *bau_desc; 714 struct bau_desc *bau_desc;
715 struct cpumask *flush_mask;
716 struct ptc_stats *stat;
717 struct bau_control *bcp;
346 718
347 cpumask_andnot(flush_mask, cpumask, cpumask_of(cpu)); 719 if (nobau)
720 return cpumask;
348 721
349 uv_cpu = uv_blade_processor_id(); 722 bcp = &per_cpu(bau_control, cpu);
350 this_pnode = uv_hub_info->pnode; 723 /*
351 bau_desc = __get_cpu_var(bau_control).descriptor_base; 724 * Each sending cpu has a per-cpu mask which it fills from the caller's
352 bau_desc += UV_ITEMS_PER_DESCRIPTOR * uv_cpu; 725 * cpu mask. Only remote cpus are converted to uvhubs and copied.
726 */
727 flush_mask = (struct cpumask *)per_cpu(uv_flush_tlb_mask, cpu);
728 /*
729 * copy cpumask to flush_mask, removing current cpu
730 * (current cpu should already have been flushed by the caller and
731 * should never be returned if we return flush_mask)
732 */
733 cpumask_andnot(flush_mask, cpumask, cpumask_of(cpu));
734 if (cpu_isset(cpu, *cpumask))
735 locals++; /* current cpu was targeted */
353 736
354 bau_nodes_clear(&bau_desc->distribution, UV_DISTRIBUTION_SIZE); 737 bau_desc = bcp->descriptor_base;
738 bau_desc += UV_ITEMS_PER_DESCRIPTOR * bcp->uvhub_cpu;
355 739
356 i = 0; 740 bau_uvhubs_clear(&bau_desc->distribution, UV_DISTRIBUTION_SIZE);
357 for_each_cpu(bit, flush_mask) { 741 remotes = 0;
358 pnode = uv_cpu_to_pnode(bit); 742 for_each_cpu(tcpu, flush_mask) {
359 BUG_ON(pnode > (UV_DISTRIBUTION_SIZE - 1)); 743 uvhub = uv_cpu_to_blade_id(tcpu);
360 if (pnode == this_pnode) { 744 if (uvhub == bcp->uvhub) {
361 locals++; 745 locals++;
362 continue; 746 continue;
363 } 747 }
364 bau_node_set(pnode - uv_partition_base_pnode, 748 bau_uvhub_set(uvhub, &bau_desc->distribution);
365 &bau_desc->distribution); 749 remotes++;
366 i++;
367 } 750 }
368 if (i == 0) { 751 if (remotes == 0) {
369 /* 752 /*
370 * no off_node flushing; return status for local node 753 * No off_hub flushing; return status for local hub.
754 * Return the caller's mask if all were local (the current
755 * cpu may be in that mask).
371 */ 756 */
372 if (locals) 757 if (locals)
373 return flush_mask; 758 return cpumask;
374 else 759 else
375 return NULL; 760 return NULL;
376 } 761 }
377 __get_cpu_var(ptcstats).requestor++; 762 stat = &per_cpu(ptcstats, cpu);
378 __get_cpu_var(ptcstats).ntargeted += i; 763 stat->s_requestor++;
764 stat->s_ntargcpu += remotes;
765 remotes = bau_uvhub_weight(&bau_desc->distribution);
766 stat->s_ntarguvhub += remotes;
767 if (remotes >= 16)
768 stat->s_ntarguvhub16++;
769 else if (remotes >= 8)
770 stat->s_ntarguvhub8++;
771 else if (remotes >= 4)
772 stat->s_ntarguvhub4++;
773 else if (remotes >= 2)
774 stat->s_ntarguvhub2++;
775 else
776 stat->s_ntarguvhub1++;
379 777
380 bau_desc->payload.address = va; 778 bau_desc->payload.address = va;
381 bau_desc->payload.sending_cpu = cpu; 779 bau_desc->payload.sending_cpu = cpu;
382 780
383 return uv_flush_send_and_wait(uv_cpu, this_pnode, bau_desc, flush_mask); 781 /*
782 * uv_flush_send_and_wait returns null if all cpu's were messaged, or
783 * the adjusted flush_mask if any cpu's were not messaged.
784 */
785 return uv_flush_send_and_wait(bau_desc, flush_mask, bcp);
384} 786}
385 787
386/* 788/*
@@ -389,87 +791,70 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
389 * 791 *
390 * We received a broadcast assist message. 792 * We received a broadcast assist message.
391 * 793 *
392 * Interrupts may have been disabled; this interrupt could represent 794 * Interrupts are disabled; this interrupt could represent
393 * the receipt of several messages. 795 * the receipt of several messages.
394 * 796 *
395 * All cores/threads on this node get this interrupt. 797 * All cores/threads on this hub get this interrupt.
396 * The last one to see it does the s/w ack. 798 * The last one to see it does the software ack.
397 * (the resource will not be freed until noninterruptable cpus see this 799 * (the resource will not be freed until noninterruptable cpus see this
398 * interrupt; hardware will timeout the s/w ack and reply ERROR) 800 * interrupt; hardware may timeout the s/w ack and reply ERROR)
399 */ 801 */
400void uv_bau_message_interrupt(struct pt_regs *regs) 802void uv_bau_message_interrupt(struct pt_regs *regs)
401{ 803{
402 struct bau_payload_queue_entry *va_queue_first;
403 struct bau_payload_queue_entry *va_queue_last;
404 struct bau_payload_queue_entry *msg;
405 struct pt_regs *old_regs = set_irq_regs(regs);
406 cycles_t time1;
407 cycles_t time2;
408 int msg_slot;
409 int sw_ack_slot;
410 int fw;
411 int count = 0; 804 int count = 0;
412 unsigned long local_pnode; 805 cycles_t time_start;
413 806 struct bau_payload_queue_entry *msg;
414 ack_APIC_irq(); 807 struct bau_control *bcp;
415 exit_idle(); 808 struct ptc_stats *stat;
416 irq_enter(); 809 struct msg_desc msgdesc;
417 810
418 time1 = get_cycles(); 811 time_start = get_cycles();
419 812 bcp = &per_cpu(bau_control, smp_processor_id());
420 local_pnode = uv_blade_to_pnode(uv_numa_blade_id()); 813 stat = &per_cpu(ptcstats, smp_processor_id());
421 814 msgdesc.va_queue_first = bcp->va_queue_first;
422 va_queue_first = __get_cpu_var(bau_control).va_queue_first; 815 msgdesc.va_queue_last = bcp->va_queue_last;
423 va_queue_last = __get_cpu_var(bau_control).va_queue_last; 816 msg = bcp->bau_msg_head;
424
425 msg = __get_cpu_var(bau_control).bau_msg_head;
426 while (msg->sw_ack_vector) { 817 while (msg->sw_ack_vector) {
427 count++; 818 count++;
428 fw = msg->sw_ack_vector; 819 msgdesc.msg_slot = msg - msgdesc.va_queue_first;
429 msg_slot = msg - va_queue_first; 820 msgdesc.sw_ack_slot = ffs(msg->sw_ack_vector) - 1;
430 sw_ack_slot = ffs(fw) - 1; 821 msgdesc.msg = msg;
431 822 uv_bau_process_message(&msgdesc, bcp);
432 uv_bau_process_message(msg, msg_slot, sw_ack_slot);
433
434 msg++; 823 msg++;
435 if (msg > va_queue_last) 824 if (msg > msgdesc.va_queue_last)
436 msg = va_queue_first; 825 msg = msgdesc.va_queue_first;
437 __get_cpu_var(bau_control).bau_msg_head = msg; 826 bcp->bau_msg_head = msg;
438 } 827 }
828 stat->d_time += (get_cycles() - time_start);
439 if (!count) 829 if (!count)
440 __get_cpu_var(ptcstats).nomsg++; 830 stat->d_nomsg++;
441 else if (count > 1) 831 else if (count > 1)
442 __get_cpu_var(ptcstats).multmsg++; 832 stat->d_multmsg++;
443 833 ack_APIC_irq();
444 time2 = get_cycles();
445 __get_cpu_var(ptcstats).dflush += (time2 - time1);
446
447 irq_exit();
448 set_irq_regs(old_regs);
449} 834}
450 835
451/* 836/*
452 * uv_enable_timeouts 837 * uv_enable_timeouts
453 * 838 *
454 * Each target blade (i.e. blades that have cpu's) needs to have 839 * Each target uvhub (i.e. a uvhub that has no cpu's) needs to have
455 * shootdown message timeouts enabled. The timeout does not cause 840 * shootdown message timeouts enabled. The timeout does not cause
456 * an interrupt, but causes an error message to be returned to 841 * an interrupt, but causes an error message to be returned to
457 * the sender. 842 * the sender.
458 */ 843 */
459static void uv_enable_timeouts(void) 844static void uv_enable_timeouts(void)
460{ 845{
461 int blade; 846 int uvhub;
462 int nblades; 847 int nuvhubs;
463 int pnode; 848 int pnode;
464 unsigned long mmr_image; 849 unsigned long mmr_image;
465 850
466 nblades = uv_num_possible_blades(); 851 nuvhubs = uv_num_possible_blades();
467 852
468 for (blade = 0; blade < nblades; blade++) { 853 for (uvhub = 0; uvhub < nuvhubs; uvhub++) {
469 if (!uv_blade_nr_possible_cpus(blade)) 854 if (!uv_blade_nr_possible_cpus(uvhub))
470 continue; 855 continue;
471 856
472 pnode = uv_blade_to_pnode(blade); 857 pnode = uv_blade_to_pnode(uvhub);
473 mmr_image = 858 mmr_image =
474 uv_read_global_mmr64(pnode, UVH_LB_BAU_MISC_CONTROL); 859 uv_read_global_mmr64(pnode, UVH_LB_BAU_MISC_CONTROL);
475 /* 860 /*
@@ -479,16 +864,16 @@ static void uv_enable_timeouts(void)
479 * To program the period, the SOFT_ACK_MODE must be off. 864 * To program the period, the SOFT_ACK_MODE must be off.
480 */ 865 */
481 mmr_image &= ~((unsigned long)1 << 866 mmr_image &= ~((unsigned long)1 <<
482 UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT); 867 UVH_LB_BAU_MISC_CONTROL_ENABLE_INTD_SOFT_ACK_MODE_SHFT);
483 uv_write_global_mmr64 868 uv_write_global_mmr64
484 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image); 869 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image);
485 /* 870 /*
486 * Set the 4-bit period. 871 * Set the 4-bit period.
487 */ 872 */
488 mmr_image &= ~((unsigned long)0xf << 873 mmr_image &= ~((unsigned long)0xf <<
489 UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT); 874 UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT);
490 mmr_image |= (UV_INTD_SOFT_ACK_TIMEOUT_PERIOD << 875 mmr_image |= (UV_INTD_SOFT_ACK_TIMEOUT_PERIOD <<
491 UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT); 876 UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT);
492 uv_write_global_mmr64 877 uv_write_global_mmr64
493 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image); 878 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image);
494 /* 879 /*
@@ -497,7 +882,7 @@ static void uv_enable_timeouts(void)
497 * indicated in bits 2:0 (7 causes all of them to timeout). 882 * indicated in bits 2:0 (7 causes all of them to timeout).
498 */ 883 */
499 mmr_image |= ((unsigned long)1 << 884 mmr_image |= ((unsigned long)1 <<
500 UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT); 885 UVH_LB_BAU_MISC_CONTROL_ENABLE_INTD_SOFT_ACK_MODE_SHFT);
501 uv_write_global_mmr64 886 uv_write_global_mmr64
502 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image); 887 (pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image);
503 } 888 }
@@ -522,9 +907,20 @@ static void uv_ptc_seq_stop(struct seq_file *file, void *data)
522{ 907{
523} 908}
524 909
910static inline unsigned long long
911millisec_2_cycles(unsigned long millisec)
912{
913 unsigned long ns;
914 unsigned long long cyc;
915
916 ns = millisec * 1000;
917 cyc = (ns << CYC2NS_SCALE_FACTOR)/(per_cpu(cyc2ns, smp_processor_id()));
918 return cyc;
919}
920
525/* 921/*
526 * Display the statistics thru /proc 922 * Display the statistics thru /proc.
527 * data points to the cpu number 923 * 'data' points to the cpu number
528 */ 924 */
529static int uv_ptc_seq_show(struct seq_file *file, void *data) 925static int uv_ptc_seq_show(struct seq_file *file, void *data)
530{ 926{
@@ -535,78 +931,155 @@ static int uv_ptc_seq_show(struct seq_file *file, void *data)
535 931
536 if (!cpu) { 932 if (!cpu) {
537 seq_printf(file, 933 seq_printf(file,
538 "# cpu requestor requestee one all sretry dretry ptc_i "); 934 "# cpu sent stime numuvhubs numuvhubs16 numuvhubs8 ");
539 seq_printf(file, 935 seq_printf(file,
540 "sw_ack sflush dflush sok dnomsg dmult starget\n"); 936 "numuvhubs4 numuvhubs2 numuvhubs1 numcpus dto ");
937 seq_printf(file,
938 "retries rok resetp resett giveup sto bz throt ");
939 seq_printf(file,
940 "sw_ack recv rtime all ");
941 seq_printf(file,
942 "one mult none retry canc nocan reset rcan\n");
541 } 943 }
542 if (cpu < num_possible_cpus() && cpu_online(cpu)) { 944 if (cpu < num_possible_cpus() && cpu_online(cpu)) {
543 stat = &per_cpu(ptcstats, cpu); 945 stat = &per_cpu(ptcstats, cpu);
544 seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld ", 946 /* source side statistics */
545 cpu, stat->requestor, 947 seq_printf(file,
546 stat->requestee, stat->onetlb, stat->alltlb, 948 "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld ",
547 stat->s_retry, stat->d_retry, stat->ptc_i); 949 cpu, stat->s_requestor, cycles_2_us(stat->s_time),
548 seq_printf(file, "%lx %ld %ld %ld %ld %ld %ld\n", 950 stat->s_ntarguvhub, stat->s_ntarguvhub16,
951 stat->s_ntarguvhub8, stat->s_ntarguvhub4,
952 stat->s_ntarguvhub2, stat->s_ntarguvhub1,
953 stat->s_ntargcpu, stat->s_dtimeout);
954 seq_printf(file, "%ld %ld %ld %ld %ld %ld %ld %ld ",
955 stat->s_retry_messages, stat->s_retriesok,
956 stat->s_resets_plug, stat->s_resets_timeout,
957 stat->s_giveup, stat->s_stimeout,
958 stat->s_busy, stat->s_throttles);
959 /* destination side statistics */
960 seq_printf(file,
961 "%lx %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n",
549 uv_read_global_mmr64(uv_cpu_to_pnode(cpu), 962 uv_read_global_mmr64(uv_cpu_to_pnode(cpu),
550 UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE), 963 UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE),
551 stat->sflush, stat->dflush, 964 stat->d_requestee, cycles_2_us(stat->d_time),
552 stat->retriesok, stat->nomsg, 965 stat->d_alltlb, stat->d_onetlb, stat->d_multmsg,
553 stat->multmsg, stat->ntargeted); 966 stat->d_nomsg, stat->d_retries, stat->d_canceled,
967 stat->d_nocanceled, stat->d_resets,
968 stat->d_rcanceled);
554 } 969 }
555 970
556 return 0; 971 return 0;
557} 972}
558 973
559/* 974/*
975 * -1: resetf the statistics
560 * 0: display meaning of the statistics 976 * 0: display meaning of the statistics
561 * >0: retry limit 977 * >0: maximum concurrent active descriptors per uvhub (throttle)
562 */ 978 */
563static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user, 979static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user,
564 size_t count, loff_t *data) 980 size_t count, loff_t *data)
565{ 981{
566 long newmode; 982 int cpu;
983 long input_arg;
567 char optstr[64]; 984 char optstr[64];
985 struct ptc_stats *stat;
986 struct bau_control *bcp;
568 987
569 if (count == 0 || count > sizeof(optstr)) 988 if (count == 0 || count > sizeof(optstr))
570 return -EINVAL; 989 return -EINVAL;
571 if (copy_from_user(optstr, user, count)) 990 if (copy_from_user(optstr, user, count))
572 return -EFAULT; 991 return -EFAULT;
573 optstr[count - 1] = '\0'; 992 optstr[count - 1] = '\0';
574 if (strict_strtoul(optstr, 10, &newmode) < 0) { 993 if (strict_strtol(optstr, 10, &input_arg) < 0) {
575 printk(KERN_DEBUG "%s is invalid\n", optstr); 994 printk(KERN_DEBUG "%s is invalid\n", optstr);
576 return -EINVAL; 995 return -EINVAL;
577 } 996 }
578 997
579 if (newmode == 0) { 998 if (input_arg == 0) {
580 printk(KERN_DEBUG "# cpu: cpu number\n"); 999 printk(KERN_DEBUG "# cpu: cpu number\n");
1000 printk(KERN_DEBUG "Sender statistics:\n");
1001 printk(KERN_DEBUG
1002 "sent: number of shootdown messages sent\n");
1003 printk(KERN_DEBUG
1004 "stime: time spent sending messages\n");
1005 printk(KERN_DEBUG
1006 "numuvhubs: number of hubs targeted with shootdown\n");
1007 printk(KERN_DEBUG
1008 "numuvhubs16: number times 16 or more hubs targeted\n");
1009 printk(KERN_DEBUG
1010 "numuvhubs8: number times 8 or more hubs targeted\n");
1011 printk(KERN_DEBUG
1012 "numuvhubs4: number times 4 or more hubs targeted\n");
1013 printk(KERN_DEBUG
1014 "numuvhubs2: number times 2 or more hubs targeted\n");
1015 printk(KERN_DEBUG
1016 "numuvhubs1: number times 1 hub targeted\n");
1017 printk(KERN_DEBUG
1018 "numcpus: number of cpus targeted with shootdown\n");
1019 printk(KERN_DEBUG
1020 "dto: number of destination timeouts\n");
1021 printk(KERN_DEBUG
1022 "retries: destination timeout retries sent\n");
1023 printk(KERN_DEBUG
1024 "rok: : destination timeouts successfully retried\n");
1025 printk(KERN_DEBUG
1026 "resetp: ipi-style resource resets for plugs\n");
1027 printk(KERN_DEBUG
1028 "resett: ipi-style resource resets for timeouts\n");
1029 printk(KERN_DEBUG
1030 "giveup: fall-backs to ipi-style shootdowns\n");
1031 printk(KERN_DEBUG
1032 "sto: number of source timeouts\n");
1033 printk(KERN_DEBUG
1034 "bz: number of stay-busy's\n");
1035 printk(KERN_DEBUG
1036 "throt: number times spun in throttle\n");
1037 printk(KERN_DEBUG "Destination side statistics:\n");
581 printk(KERN_DEBUG 1038 printk(KERN_DEBUG
582 "requestor: times this cpu was the flush requestor\n"); 1039 "sw_ack: image of UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE\n");
583 printk(KERN_DEBUG 1040 printk(KERN_DEBUG
584 "requestee: times this cpu was requested to flush its TLBs\n"); 1041 "recv: shootdown messages received\n");
585 printk(KERN_DEBUG 1042 printk(KERN_DEBUG
586 "one: times requested to flush a single address\n"); 1043 "rtime: time spent processing messages\n");
587 printk(KERN_DEBUG 1044 printk(KERN_DEBUG
588 "all: times requested to flush all TLB's\n"); 1045 "all: shootdown all-tlb messages\n");
589 printk(KERN_DEBUG 1046 printk(KERN_DEBUG
590 "sretry: number of retries of source-side timeouts\n"); 1047 "one: shootdown one-tlb messages\n");
591 printk(KERN_DEBUG 1048 printk(KERN_DEBUG
592 "dretry: number of retries of destination-side timeouts\n"); 1049 "mult: interrupts that found multiple messages\n");
593 printk(KERN_DEBUG 1050 printk(KERN_DEBUG
594 "ptc_i: times UV fell through to IPI-style flushes\n"); 1051 "none: interrupts that found no messages\n");
595 printk(KERN_DEBUG 1052 printk(KERN_DEBUG
596 "sw_ack: image of UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE\n"); 1053 "retry: number of retry messages processed\n");
597 printk(KERN_DEBUG 1054 printk(KERN_DEBUG
598 "sflush_us: cycles spent in uv_flush_tlb_others()\n"); 1055 "canc: number messages canceled by retries\n");
599 printk(KERN_DEBUG 1056 printk(KERN_DEBUG
600 "dflush_us: cycles spent in handling flush requests\n"); 1057 "nocan: number retries that found nothing to cancel\n");
601 printk(KERN_DEBUG "sok: successes on retry\n");
602 printk(KERN_DEBUG "dnomsg: interrupts with no message\n");
603 printk(KERN_DEBUG 1058 printk(KERN_DEBUG
604 "dmult: interrupts with multiple messages\n"); 1059 "reset: number of ipi-style reset requests processed\n");
605 printk(KERN_DEBUG "starget: nodes targeted\n"); 1060 printk(KERN_DEBUG
1061 "rcan: number messages canceled by reset requests\n");
1062 } else if (input_arg == -1) {
1063 for_each_present_cpu(cpu) {
1064 stat = &per_cpu(ptcstats, cpu);
1065 memset(stat, 0, sizeof(struct ptc_stats));
1066 }
606 } else { 1067 } else {
607 uv_bau_retry_limit = newmode; 1068 uv_bau_max_concurrent = input_arg;
608 printk(KERN_DEBUG "timeout retry limit:%d\n", 1069 bcp = &per_cpu(bau_control, smp_processor_id());
609 uv_bau_retry_limit); 1070 if (uv_bau_max_concurrent < 1 ||
1071 uv_bau_max_concurrent > bcp->cpus_in_uvhub) {
1072 printk(KERN_DEBUG
1073 "Error: BAU max concurrent %d; %d is invalid\n",
1074 bcp->max_concurrent, uv_bau_max_concurrent);
1075 return -EINVAL;
1076 }
1077 printk(KERN_DEBUG "Set BAU max concurrent:%d\n",
1078 uv_bau_max_concurrent);
1079 for_each_present_cpu(cpu) {
1080 bcp = &per_cpu(bau_control, cpu);
1081 bcp->max_concurrent = uv_bau_max_concurrent;
1082 }
610 } 1083 }
611 1084
612 return count; 1085 return count;
@@ -650,79 +1123,30 @@ static int __init uv_ptc_init(void)
650} 1123}
651 1124
652/* 1125/*
653 * begin the initialization of the per-blade control structures
654 */
655static struct bau_control * __init uv_table_bases_init(int blade, int node)
656{
657 int i;
658 struct bau_msg_status *msp;
659 struct bau_control *bau_tabp;
660
661 bau_tabp =
662 kmalloc_node(sizeof(struct bau_control), GFP_KERNEL, node);
663 BUG_ON(!bau_tabp);
664
665 bau_tabp->msg_statuses =
666 kmalloc_node(sizeof(struct bau_msg_status) *
667 DEST_Q_SIZE, GFP_KERNEL, node);
668 BUG_ON(!bau_tabp->msg_statuses);
669
670 for (i = 0, msp = bau_tabp->msg_statuses; i < DEST_Q_SIZE; i++, msp++)
671 bau_cpubits_clear(&msp->seen_by, (int)
672 uv_blade_nr_possible_cpus(blade));
673
674 uv_bau_table_bases[blade] = bau_tabp;
675
676 return bau_tabp;
677}
678
679/*
680 * finish the initialization of the per-blade control structures
681 */
682static void __init
683uv_table_bases_finish(int blade,
684 struct bau_control *bau_tablesp,
685 struct bau_desc *adp)
686{
687 struct bau_control *bcp;
688 int cpu;
689
690 for_each_present_cpu(cpu) {
691 if (blade != uv_cpu_to_blade_id(cpu))
692 continue;
693
694 bcp = (struct bau_control *)&per_cpu(bau_control, cpu);
695 bcp->bau_msg_head = bau_tablesp->va_queue_first;
696 bcp->va_queue_first = bau_tablesp->va_queue_first;
697 bcp->va_queue_last = bau_tablesp->va_queue_last;
698 bcp->msg_statuses = bau_tablesp->msg_statuses;
699 bcp->descriptor_base = adp;
700 }
701}
702
703/*
704 * initialize the sending side's sending buffers 1126 * initialize the sending side's sending buffers
705 */ 1127 */
706static struct bau_desc * __init 1128static void
707uv_activation_descriptor_init(int node, int pnode) 1129uv_activation_descriptor_init(int node, int pnode)
708{ 1130{
709 int i; 1131 int i;
1132 int cpu;
710 unsigned long pa; 1133 unsigned long pa;
711 unsigned long m; 1134 unsigned long m;
712 unsigned long n; 1135 unsigned long n;
713 struct bau_desc *adp; 1136 struct bau_desc *bau_desc;
714 struct bau_desc *ad2; 1137 struct bau_desc *bd2;
1138 struct bau_control *bcp;
715 1139
716 /* 1140 /*
717 * each bau_desc is 64 bytes; there are 8 (UV_ITEMS_PER_DESCRIPTOR) 1141 * each bau_desc is 64 bytes; there are 8 (UV_ITEMS_PER_DESCRIPTOR)
718 * per cpu; and up to 32 (UV_ADP_SIZE) cpu's per blade 1142 * per cpu; and up to 32 (UV_ADP_SIZE) cpu's per uvhub
719 */ 1143 */
720 adp = (struct bau_desc *)kmalloc_node(sizeof(struct bau_desc)* 1144 bau_desc = (struct bau_desc *)kmalloc_node(sizeof(struct bau_desc)*
721 UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node); 1145 UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node);
722 BUG_ON(!adp); 1146 BUG_ON(!bau_desc);
723 1147
724 pa = uv_gpa(adp); /* need the real nasid*/ 1148 pa = uv_gpa(bau_desc); /* need the real nasid*/
725 n = uv_gpa_to_pnode(pa); 1149 n = pa >> uv_nshift;
726 m = pa & uv_mmask; 1150 m = pa & uv_mmask;
727 1151
728 uv_write_global_mmr64(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE, 1152 uv_write_global_mmr64(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE,
@@ -731,96 +1155,188 @@ uv_activation_descriptor_init(int node, int pnode)
731 /* 1155 /*
732 * initializing all 8 (UV_ITEMS_PER_DESCRIPTOR) descriptors for each 1156 * initializing all 8 (UV_ITEMS_PER_DESCRIPTOR) descriptors for each
733 * cpu even though we only use the first one; one descriptor can 1157 * cpu even though we only use the first one; one descriptor can
734 * describe a broadcast to 256 nodes. 1158 * describe a broadcast to 256 uv hubs.
735 */ 1159 */
736 for (i = 0, ad2 = adp; i < (UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR); 1160 for (i = 0, bd2 = bau_desc; i < (UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR);
737 i++, ad2++) { 1161 i++, bd2++) {
738 memset(ad2, 0, sizeof(struct bau_desc)); 1162 memset(bd2, 0, sizeof(struct bau_desc));
739 ad2->header.sw_ack_flag = 1; 1163 bd2->header.sw_ack_flag = 1;
740 /* 1164 /*
741 * base_dest_nodeid is the first node in the partition, so 1165 * base_dest_nodeid is the nasid (pnode<<1) of the first uvhub
742 * the bit map will indicate partition-relative node numbers. 1166 * in the partition. The bit map will indicate uvhub numbers,
743 * note that base_dest_nodeid is actually a nasid. 1167 * which are 0-N in a partition. Pnodes are unique system-wide.
744 */ 1168 */
745 ad2->header.base_dest_nodeid = uv_partition_base_pnode << 1; 1169 bd2->header.base_dest_nodeid = uv_partition_base_pnode << 1;
746 ad2->header.dest_subnodeid = 0x10; /* the LB */ 1170 bd2->header.dest_subnodeid = 0x10; /* the LB */
747 ad2->header.command = UV_NET_ENDPOINT_INTD; 1171 bd2->header.command = UV_NET_ENDPOINT_INTD;
748 ad2->header.int_both = 1; 1172 bd2->header.int_both = 1;
749 /* 1173 /*
750 * all others need to be set to zero: 1174 * all others need to be set to zero:
751 * fairness chaining multilevel count replied_to 1175 * fairness chaining multilevel count replied_to
752 */ 1176 */
753 } 1177 }
754 return adp; 1178 for_each_present_cpu(cpu) {
1179 if (pnode != uv_blade_to_pnode(uv_cpu_to_blade_id(cpu)))
1180 continue;
1181 bcp = &per_cpu(bau_control, cpu);
1182 bcp->descriptor_base = bau_desc;
1183 }
755} 1184}
756 1185
757/* 1186/*
758 * initialize the destination side's receiving buffers 1187 * initialize the destination side's receiving buffers
1188 * entered for each uvhub in the partition
1189 * - node is first node (kernel memory notion) on the uvhub
1190 * - pnode is the uvhub's physical identifier
759 */ 1191 */
760static struct bau_payload_queue_entry * __init 1192static void
761uv_payload_queue_init(int node, int pnode, struct bau_control *bau_tablesp) 1193uv_payload_queue_init(int node, int pnode)
762{ 1194{
763 struct bau_payload_queue_entry *pqp;
764 unsigned long pa;
765 int pn; 1195 int pn;
1196 int cpu;
766 char *cp; 1197 char *cp;
1198 unsigned long pa;
1199 struct bau_payload_queue_entry *pqp;
1200 struct bau_payload_queue_entry *pqp_malloc;
1201 struct bau_control *bcp;
767 1202
768 pqp = (struct bau_payload_queue_entry *) kmalloc_node( 1203 pqp = (struct bau_payload_queue_entry *) kmalloc_node(
769 (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry), 1204 (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry),
770 GFP_KERNEL, node); 1205 GFP_KERNEL, node);
771 BUG_ON(!pqp); 1206 BUG_ON(!pqp);
1207 pqp_malloc = pqp;
772 1208
773 cp = (char *)pqp + 31; 1209 cp = (char *)pqp + 31;
774 pqp = (struct bau_payload_queue_entry *)(((unsigned long)cp >> 5) << 5); 1210 pqp = (struct bau_payload_queue_entry *)(((unsigned long)cp >> 5) << 5);
775 bau_tablesp->va_queue_first = pqp; 1211
1212 for_each_present_cpu(cpu) {
1213 if (pnode != uv_cpu_to_pnode(cpu))
1214 continue;
1215 /* for every cpu on this pnode: */
1216 bcp = &per_cpu(bau_control, cpu);
1217 bcp->va_queue_first = pqp;
1218 bcp->bau_msg_head = pqp;
1219 bcp->va_queue_last = pqp + (DEST_Q_SIZE - 1);
1220 }
776 /* 1221 /*
777 * need the pnode of where the memory was really allocated 1222 * need the pnode of where the memory was really allocated
778 */ 1223 */
779 pa = uv_gpa(pqp); 1224 pa = uv_gpa(pqp);
780 pn = uv_gpa_to_pnode(pa); 1225 pn = pa >> uv_nshift;
781 uv_write_global_mmr64(pnode, 1226 uv_write_global_mmr64(pnode,
782 UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST, 1227 UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST,
783 ((unsigned long)pn << UV_PAYLOADQ_PNODE_SHIFT) | 1228 ((unsigned long)pn << UV_PAYLOADQ_PNODE_SHIFT) |
784 uv_physnodeaddr(pqp)); 1229 uv_physnodeaddr(pqp));
785 uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_TAIL, 1230 uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_TAIL,
786 uv_physnodeaddr(pqp)); 1231 uv_physnodeaddr(pqp));
787 bau_tablesp->va_queue_last = pqp + (DEST_Q_SIZE - 1);
788 uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_LAST, 1232 uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_LAST,
789 (unsigned long) 1233 (unsigned long)
790 uv_physnodeaddr(bau_tablesp->va_queue_last)); 1234 uv_physnodeaddr(pqp + (DEST_Q_SIZE - 1)));
1235 /* in effect, all msg_type's are set to MSG_NOOP */
791 memset(pqp, 0, sizeof(struct bau_payload_queue_entry) * DEST_Q_SIZE); 1236 memset(pqp, 0, sizeof(struct bau_payload_queue_entry) * DEST_Q_SIZE);
792
793 return pqp;
794} 1237}
795 1238
796/* 1239/*
797 * Initialization of each UV blade's structures 1240 * Initialization of each UV hub's structures
798 */ 1241 */
799static int __init uv_init_blade(int blade) 1242static void __init uv_init_uvhub(int uvhub, int vector)
800{ 1243{
801 int node; 1244 int node;
802 int pnode; 1245 int pnode;
803 unsigned long pa;
804 unsigned long apicid; 1246 unsigned long apicid;
805 struct bau_desc *adp; 1247
806 struct bau_payload_queue_entry *pqp; 1248 node = uvhub_to_first_node(uvhub);
807 struct bau_control *bau_tablesp; 1249 pnode = uv_blade_to_pnode(uvhub);
808 1250 uv_activation_descriptor_init(node, pnode);
809 node = blade_to_first_node(blade); 1251 uv_payload_queue_init(node, pnode);
810 bau_tablesp = uv_table_bases_init(blade, node);
811 pnode = uv_blade_to_pnode(blade);
812 adp = uv_activation_descriptor_init(node, pnode);
813 pqp = uv_payload_queue_init(node, pnode, bau_tablesp);
814 uv_table_bases_finish(blade, bau_tablesp, adp);
815 /* 1252 /*
816 * the below initialization can't be in firmware because the 1253 * the below initialization can't be in firmware because the
817 * messaging IRQ will be determined by the OS 1254 * messaging IRQ will be determined by the OS
818 */ 1255 */
819 apicid = blade_to_first_apicid(blade); 1256 apicid = uvhub_to_first_apicid(uvhub);
820 pa = uv_read_global_mmr64(pnode, UVH_BAU_DATA_CONFIG);
821 uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG, 1257 uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG,
822 ((apicid << 32) | UV_BAU_MESSAGE)); 1258 ((apicid << 32) | vector));
823 return 0; 1259}
1260
1261/*
1262 * initialize the bau_control structure for each cpu
1263 */
1264static void uv_init_per_cpu(int nuvhubs)
1265{
1266 int i, j, k;
1267 int cpu;
1268 int pnode;
1269 int uvhub;
1270 short socket = 0;
1271 struct bau_control *bcp;
1272 struct uvhub_desc *bdp;
1273 struct socket_desc *sdp;
1274 struct bau_control *hmaster = NULL;
1275 struct bau_control *smaster = NULL;
1276 struct socket_desc {
1277 short num_cpus;
1278 short cpu_number[16];
1279 };
1280 struct uvhub_desc {
1281 short num_sockets;
1282 short num_cpus;
1283 short uvhub;
1284 short pnode;
1285 struct socket_desc socket[2];
1286 };
1287 struct uvhub_desc *uvhub_descs;
1288
1289 uvhub_descs = (struct uvhub_desc *)
1290 kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL);
1291 memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc));
1292 for_each_present_cpu(cpu) {
1293 bcp = &per_cpu(bau_control, cpu);
1294 memset(bcp, 0, sizeof(struct bau_control));
1295 spin_lock_init(&bcp->masks_lock);
1296 bcp->max_concurrent = uv_bau_max_concurrent;
1297 pnode = uv_cpu_hub_info(cpu)->pnode;
1298 uvhub = uv_cpu_hub_info(cpu)->numa_blade_id;
1299 bdp = &uvhub_descs[uvhub];
1300 bdp->num_cpus++;
1301 bdp->uvhub = uvhub;
1302 bdp->pnode = pnode;
1303 /* time interval to catch a hardware stay-busy bug */
1304 bcp->timeout_interval = millisec_2_cycles(3);
1305 /* kludge: assume uv_hub.h is constant */
1306 socket = (cpu_physical_id(cpu)>>5)&1;
1307 if (socket >= bdp->num_sockets)
1308 bdp->num_sockets = socket+1;
1309 sdp = &bdp->socket[socket];
1310 sdp->cpu_number[sdp->num_cpus] = cpu;
1311 sdp->num_cpus++;
1312 }
1313 socket = 0;
1314 for_each_possible_blade(uvhub) {
1315 bdp = &uvhub_descs[uvhub];
1316 for (i = 0; i < bdp->num_sockets; i++) {
1317 sdp = &bdp->socket[i];
1318 for (j = 0; j < sdp->num_cpus; j++) {
1319 cpu = sdp->cpu_number[j];
1320 bcp = &per_cpu(bau_control, cpu);
1321 bcp->cpu = cpu;
1322 if (j == 0) {
1323 smaster = bcp;
1324 if (i == 0)
1325 hmaster = bcp;
1326 }
1327 bcp->cpus_in_uvhub = bdp->num_cpus;
1328 bcp->cpus_in_socket = sdp->num_cpus;
1329 bcp->socket_master = smaster;
1330 bcp->uvhub_master = hmaster;
1331 for (k = 0; k < DEST_Q_SIZE; k++)
1332 bcp->socket_acknowledge_count[k] = 0;
1333 bcp->uvhub_cpu =
1334 uv_cpu_hub_info(cpu)->blade_processor_id;
1335 }
1336 socket++;
1337 }
1338 }
1339 kfree(uvhub_descs);
824} 1340}
825 1341
826/* 1342/*
@@ -828,38 +1344,54 @@ static int __init uv_init_blade(int blade)
828 */ 1344 */
829static int __init uv_bau_init(void) 1345static int __init uv_bau_init(void)
830{ 1346{
831 int blade; 1347 int uvhub;
832 int nblades; 1348 int pnode;
1349 int nuvhubs;
833 int cur_cpu; 1350 int cur_cpu;
1351 int vector;
1352 unsigned long mmr;
834 1353
835 if (!is_uv_system()) 1354 if (!is_uv_system())
836 return 0; 1355 return 0;
837 1356
1357 if (nobau)
1358 return 0;
1359
838 for_each_possible_cpu(cur_cpu) 1360 for_each_possible_cpu(cur_cpu)
839 zalloc_cpumask_var_node(&per_cpu(uv_flush_tlb_mask, cur_cpu), 1361 zalloc_cpumask_var_node(&per_cpu(uv_flush_tlb_mask, cur_cpu),
840 GFP_KERNEL, cpu_to_node(cur_cpu)); 1362 GFP_KERNEL, cpu_to_node(cur_cpu));
841 1363
842 uv_bau_retry_limit = 1; 1364 uv_bau_max_concurrent = MAX_BAU_CONCURRENT;
1365 uv_nshift = uv_hub_info->m_val;
843 uv_mmask = (1UL << uv_hub_info->m_val) - 1; 1366 uv_mmask = (1UL << uv_hub_info->m_val) - 1;
844 nblades = uv_num_possible_blades(); 1367 nuvhubs = uv_num_possible_blades();
845 1368
846 uv_bau_table_bases = (struct bau_control **) 1369 uv_init_per_cpu(nuvhubs);
847 kmalloc(nblades * sizeof(struct bau_control *), GFP_KERNEL);
848 BUG_ON(!uv_bau_table_bases);
849 1370
850 uv_partition_base_pnode = 0x7fffffff; 1371 uv_partition_base_pnode = 0x7fffffff;
851 for (blade = 0; blade < nblades; blade++) 1372 for (uvhub = 0; uvhub < nuvhubs; uvhub++)
852 if (uv_blade_nr_possible_cpus(blade) && 1373 if (uv_blade_nr_possible_cpus(uvhub) &&
853 (uv_blade_to_pnode(blade) < uv_partition_base_pnode)) 1374 (uv_blade_to_pnode(uvhub) < uv_partition_base_pnode))
854 uv_partition_base_pnode = uv_blade_to_pnode(blade); 1375 uv_partition_base_pnode = uv_blade_to_pnode(uvhub);
855 for (blade = 0; blade < nblades; blade++) 1376
856 if (uv_blade_nr_possible_cpus(blade)) 1377 vector = UV_BAU_MESSAGE;
857 uv_init_blade(blade); 1378 for_each_possible_blade(uvhub)
858 1379 if (uv_blade_nr_possible_cpus(uvhub))
859 alloc_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1); 1380 uv_init_uvhub(uvhub, vector);
1381
860 uv_enable_timeouts(); 1382 uv_enable_timeouts();
1383 alloc_intr_gate(vector, uv_bau_message_intr1);
1384
1385 for_each_possible_blade(uvhub) {
1386 pnode = uv_blade_to_pnode(uvhub);
1387 /* INIT the bau */
1388 uv_write_global_mmr64(pnode, UVH_LB_BAU_SB_ACTIVATION_CONTROL,
1389 ((unsigned long)1 << 63));
1390 mmr = 1; /* should be 1 to broadcast to both sockets */
1391 uv_write_global_mmr64(pnode, UVH_BAU_DATA_BROADCAST, mmr);
1392 }
861 1393
862 return 0; 1394 return 0;
863} 1395}
864__initcall(uv_bau_init); 1396core_initcall(uv_bau_init);
865__initcall(uv_ptc_init); 1397core_initcall(uv_ptc_init);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 36f1bd9f8e76..02cfb9b8f5b1 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -108,15 +108,6 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
108 dec_preempt_count(); 108 dec_preempt_count();
109} 109}
110 110
111#ifdef CONFIG_X86_32
112static inline void
113die_if_kernel(const char *str, struct pt_regs *regs, long err)
114{
115 if (!user_mode_vm(regs))
116 die(str, regs, err);
117}
118#endif
119
120static void __kprobes 111static void __kprobes
121do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, 112do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
122 long error_code, siginfo_t *info) 113 long error_code, siginfo_t *info)
@@ -585,55 +576,67 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code)
585 return; 576 return;
586} 577}
587 578
588#ifdef CONFIG_X86_64
589static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr)
590{
591 if (fixup_exception(regs))
592 return 1;
593
594 notify_die(DIE_GPF, str, regs, 0, trapnr, SIGFPE);
595 /* Illegal floating point operation in the kernel */
596 current->thread.trap_no = trapnr;
597 die(str, regs, 0);
598 return 0;
599}
600#endif
601
602/* 579/*
603 * Note that we play around with the 'TS' bit in an attempt to get 580 * Note that we play around with the 'TS' bit in an attempt to get
604 * the correct behaviour even in the presence of the asynchronous 581 * the correct behaviour even in the presence of the asynchronous
605 * IRQ13 behaviour 582 * IRQ13 behaviour
606 */ 583 */
607void math_error(void __user *ip) 584void math_error(struct pt_regs *regs, int error_code, int trapnr)
608{ 585{
609 struct task_struct *task; 586 struct task_struct *task = current;
610 siginfo_t info; 587 siginfo_t info;
611 unsigned short cwd, swd, err; 588 unsigned short err;
589 char *str = (trapnr == 16) ? "fpu exception" : "simd exception";
590
591 if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, SIGFPE) == NOTIFY_STOP)
592 return;
593 conditional_sti(regs);
594
595 if (!user_mode_vm(regs))
596 {
597 if (!fixup_exception(regs)) {
598 task->thread.error_code = error_code;
599 task->thread.trap_no = trapnr;
600 die(str, regs, error_code);
601 }
602 return;
603 }
612 604
613 /* 605 /*
614 * Save the info for the exception handler and clear the error. 606 * Save the info for the exception handler and clear the error.
615 */ 607 */
616 task = current;
617 save_init_fpu(task); 608 save_init_fpu(task);
618 task->thread.trap_no = 16; 609 task->thread.trap_no = trapnr;
619 task->thread.error_code = 0; 610 task->thread.error_code = error_code;
620 info.si_signo = SIGFPE; 611 info.si_signo = SIGFPE;
621 info.si_errno = 0; 612 info.si_errno = 0;
622 info.si_addr = ip; 613 info.si_addr = (void __user *)regs->ip;
623 /* 614 if (trapnr == 16) {
624 * (~cwd & swd) will mask out exceptions that are not set to unmasked 615 unsigned short cwd, swd;
625 * status. 0x3f is the exception bits in these regs, 0x200 is the 616 /*
626 * C1 reg you need in case of a stack fault, 0x040 is the stack 617 * (~cwd & swd) will mask out exceptions that are not set to unmasked
627 * fault bit. We should only be taking one exception at a time, 618 * status. 0x3f is the exception bits in these regs, 0x200 is the
628 * so if this combination doesn't produce any single exception, 619 * C1 reg you need in case of a stack fault, 0x040 is the stack
629 * then we have a bad program that isn't synchronizing its FPU usage 620 * fault bit. We should only be taking one exception at a time,
630 * and it will suffer the consequences since we won't be able to 621 * so if this combination doesn't produce any single exception,
631 * fully reproduce the context of the exception 622 * then we have a bad program that isn't synchronizing its FPU usage
632 */ 623 * and it will suffer the consequences since we won't be able to
633 cwd = get_fpu_cwd(task); 624 * fully reproduce the context of the exception
634 swd = get_fpu_swd(task); 625 */
626 cwd = get_fpu_cwd(task);
627 swd = get_fpu_swd(task);
635 628
636 err = swd & ~cwd; 629 err = swd & ~cwd;
630 } else {
631 /*
632 * The SIMD FPU exceptions are handled a little differently, as there
633 * is only a single status/control register. Thus, to determine which
634 * unmasked exception was caught we must mask the exception mask bits
635 * at 0x1f80, and then use these to mask the exception bits at 0x3f.
636 */
637 unsigned short mxcsr = get_fpu_mxcsr(task);
638 err = ~(mxcsr >> 7) & mxcsr;
639 }
637 640
638 if (err & 0x001) { /* Invalid op */ 641 if (err & 0x001) { /* Invalid op */
639 /* 642 /*
@@ -662,97 +665,17 @@ void math_error(void __user *ip)
662 665
663dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) 666dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
664{ 667{
665 conditional_sti(regs);
666
667#ifdef CONFIG_X86_32 668#ifdef CONFIG_X86_32
668 ignore_fpu_irq = 1; 669 ignore_fpu_irq = 1;
669#else
670 if (!user_mode(regs) &&
671 kernel_math_error(regs, "kernel x87 math error", 16))
672 return;
673#endif 670#endif
674 671
675 math_error((void __user *)regs->ip); 672 math_error(regs, error_code, 16);
676}
677
678static void simd_math_error(void __user *ip)
679{
680 struct task_struct *task;
681 siginfo_t info;
682 unsigned short mxcsr;
683
684 /*
685 * Save the info for the exception handler and clear the error.
686 */
687 task = current;
688 save_init_fpu(task);
689 task->thread.trap_no = 19;
690 task->thread.error_code = 0;
691 info.si_signo = SIGFPE;
692 info.si_errno = 0;
693 info.si_code = __SI_FAULT;
694 info.si_addr = ip;
695 /*
696 * The SIMD FPU exceptions are handled a little differently, as there
697 * is only a single status/control register. Thus, to determine which
698 * unmasked exception was caught we must mask the exception mask bits
699 * at 0x1f80, and then use these to mask the exception bits at 0x3f.
700 */
701 mxcsr = get_fpu_mxcsr(task);
702 switch (~((mxcsr & 0x1f80) >> 7) & (mxcsr & 0x3f)) {
703 case 0x000:
704 default:
705 break;
706 case 0x001: /* Invalid Op */
707 info.si_code = FPE_FLTINV;
708 break;
709 case 0x002: /* Denormalize */
710 case 0x010: /* Underflow */
711 info.si_code = FPE_FLTUND;
712 break;
713 case 0x004: /* Zero Divide */
714 info.si_code = FPE_FLTDIV;
715 break;
716 case 0x008: /* Overflow */
717 info.si_code = FPE_FLTOVF;
718 break;
719 case 0x020: /* Precision */
720 info.si_code = FPE_FLTRES;
721 break;
722 }
723 force_sig_info(SIGFPE, &info, task);
724} 673}
725 674
726dotraplinkage void 675dotraplinkage void
727do_simd_coprocessor_error(struct pt_regs *regs, long error_code) 676do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
728{ 677{
729 conditional_sti(regs); 678 math_error(regs, error_code, 19);
730
731#ifdef CONFIG_X86_32
732 if (cpu_has_xmm) {
733 /* Handle SIMD FPU exceptions on PIII+ processors. */
734 ignore_fpu_irq = 1;
735 simd_math_error((void __user *)regs->ip);
736 return;
737 }
738 /*
739 * Handle strange cache flush from user space exception
740 * in all other cases. This is undocumented behaviour.
741 */
742 if (regs->flags & X86_VM_MASK) {
743 handle_vm86_fault((struct kernel_vm86_regs *)regs, error_code);
744 return;
745 }
746 current->thread.trap_no = 19;
747 current->thread.error_code = error_code;
748 die_if_kernel("cache flush denied", regs, error_code);
749 force_sig(SIGSEGV, current);
750#else
751 if (!user_mode(regs) &&
752 kernel_math_error(regs, "kernel simd math error", 19))
753 return;
754 simd_math_error((void __user *)regs->ip);
755#endif
756} 679}
757 680
758dotraplinkage void 681dotraplinkage void
diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c
index 1d40336b030a..1132129db792 100644
--- a/arch/x86/kernel/uv_irq.c
+++ b/arch/x86/kernel/uv_irq.c
@@ -44,7 +44,7 @@ static void uv_ack_apic(unsigned int irq)
44 ack_APIC_irq(); 44 ack_APIC_irq();
45} 45}
46 46
47struct irq_chip uv_irq_chip = { 47static struct irq_chip uv_irq_chip = {
48 .name = "UV-CORE", 48 .name = "UV-CORE",
49 .startup = uv_noop_ret, 49 .startup = uv_noop_ret,
50 .shutdown = uv_noop, 50 .shutdown = uv_noop,
@@ -141,7 +141,7 @@ int uv_irq_2_mmr_info(int irq, unsigned long *offset, int *pnode)
141 */ 141 */
142static int 142static int
143arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, 143arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade,
144 unsigned long mmr_offset, int restrict) 144 unsigned long mmr_offset, int limit)
145{ 145{
146 const struct cpumask *eligible_cpu = cpumask_of(cpu); 146 const struct cpumask *eligible_cpu = cpumask_of(cpu);
147 struct irq_desc *desc = irq_to_desc(irq); 147 struct irq_desc *desc = irq_to_desc(irq);
@@ -160,7 +160,7 @@ arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade,
160 if (err != 0) 160 if (err != 0)
161 return err; 161 return err;
162 162
163 if (restrict == UV_AFFINITY_CPU) 163 if (limit == UV_AFFINITY_CPU)
164 desc->status |= IRQ_NO_BALANCING; 164 desc->status |= IRQ_NO_BALANCING;
165 else 165 else
166 desc->status |= IRQ_MOVE_PCNTXT; 166 desc->status |= IRQ_MOVE_PCNTXT;
@@ -214,7 +214,7 @@ static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask)
214 unsigned long mmr_value; 214 unsigned long mmr_value;
215 struct uv_IO_APIC_route_entry *entry; 215 struct uv_IO_APIC_route_entry *entry;
216 unsigned long mmr_offset; 216 unsigned long mmr_offset;
217 unsigned mmr_pnode; 217 int mmr_pnode;
218 218
219 if (set_desc_affinity(desc, mask, &dest)) 219 if (set_desc_affinity(desc, mask, &dest))
220 return -1; 220 return -1;
@@ -248,7 +248,7 @@ static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask)
248 * interrupt is raised. 248 * interrupt is raised.
249 */ 249 */
250int uv_setup_irq(char *irq_name, int cpu, int mmr_blade, 250int uv_setup_irq(char *irq_name, int cpu, int mmr_blade,
251 unsigned long mmr_offset, int restrict) 251 unsigned long mmr_offset, int limit)
252{ 252{
253 int irq, ret; 253 int irq, ret;
254 254
@@ -258,7 +258,7 @@ int uv_setup_irq(char *irq_name, int cpu, int mmr_blade,
258 return -EBUSY; 258 return -EBUSY;
259 259
260 ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset, 260 ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset,
261 restrict); 261 limit);
262 if (ret == irq) 262 if (ret == irq)
263 uv_set_irq_2_mmr_info(irq, mmr_offset, mmr_blade); 263 uv_set_irq_2_mmr_info(irq, mmr_offset, mmr_blade);
264 else 264 else
diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index 693920b22496..1b950d151e58 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -54,7 +54,6 @@ EXPORT_SYMBOL(memcpy);
54EXPORT_SYMBOL(__memcpy); 54EXPORT_SYMBOL(__memcpy);
55 55
56EXPORT_SYMBOL(empty_zero_page); 56EXPORT_SYMBOL(empty_zero_page);
57EXPORT_SYMBOL(init_level4_pgt);
58#ifndef CONFIG_PARAVIRT 57#ifndef CONFIG_PARAVIRT
59EXPORT_SYMBOL(native_load_gs_index); 58EXPORT_SYMBOL(native_load_gs_index);
60#endif 59#endif
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 782c3a362ec6..37e68fc5e24a 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -99,7 +99,7 @@ int save_i387_xstate(void __user *buf)
99 if (err) 99 if (err)
100 return err; 100 return err;
101 101
102 if (task_thread_info(tsk)->status & TS_XSAVE) 102 if (use_xsave())
103 err = xsave_user(buf); 103 err = xsave_user(buf);
104 else 104 else
105 err = fxsave_user(buf); 105 err = fxsave_user(buf);
@@ -109,14 +109,14 @@ int save_i387_xstate(void __user *buf)
109 task_thread_info(tsk)->status &= ~TS_USEDFPU; 109 task_thread_info(tsk)->status &= ~TS_USEDFPU;
110 stts(); 110 stts();
111 } else { 111 } else {
112 if (__copy_to_user(buf, &tsk->thread.xstate->fxsave, 112 if (__copy_to_user(buf, &tsk->thread.fpu.state->fxsave,
113 xstate_size)) 113 xstate_size))
114 return -1; 114 return -1;
115 } 115 }
116 116
117 clear_used_math(); /* trigger finit */ 117 clear_used_math(); /* trigger finit */
118 118
119 if (task_thread_info(tsk)->status & TS_XSAVE) { 119 if (use_xsave()) {
120 struct _fpstate __user *fx = buf; 120 struct _fpstate __user *fx = buf;
121 struct _xstate __user *x = buf; 121 struct _xstate __user *x = buf;
122 u64 xstate_bv; 122 u64 xstate_bv;
@@ -225,7 +225,7 @@ int restore_i387_xstate(void __user *buf)
225 clts(); 225 clts();
226 task_thread_info(current)->status |= TS_USEDFPU; 226 task_thread_info(current)->status |= TS_USEDFPU;
227 } 227 }
228 if (task_thread_info(tsk)->status & TS_XSAVE) 228 if (use_xsave())
229 err = restore_user_xstate(buf); 229 err = restore_user_xstate(buf);
230 else 230 else
231 err = fxrstor_checking((__force struct i387_fxsave_struct *) 231 err = fxrstor_checking((__force struct i387_fxsave_struct *)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2ba58206812a..737361fcd503 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2067,7 +2067,7 @@ static int cpuid_interception(struct vcpu_svm *svm)
2067static int iret_interception(struct vcpu_svm *svm) 2067static int iret_interception(struct vcpu_svm *svm)
2068{ 2068{
2069 ++svm->vcpu.stat.nmi_window_exits; 2069 ++svm->vcpu.stat.nmi_window_exits;
2070 svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET); 2070 svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET);
2071 svm->vcpu.arch.hflags |= HF_IRET_MASK; 2071 svm->vcpu.arch.hflags |= HF_IRET_MASK;
2072 return 1; 2072 return 1;
2073} 2073}
@@ -2479,7 +2479,7 @@ static void svm_inject_nmi(struct kvm_vcpu *vcpu)
2479 2479
2480 svm->vmcb->control.event_inj = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI; 2480 svm->vmcb->control.event_inj = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI;
2481 vcpu->arch.hflags |= HF_NMI_MASK; 2481 vcpu->arch.hflags |= HF_NMI_MASK;
2482 svm->vmcb->control.intercept |= (1UL << INTERCEPT_IRET); 2482 svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET);
2483 ++vcpu->stat.nmi_injections; 2483 ++vcpu->stat.nmi_injections;
2484} 2484}
2485 2485
@@ -2539,10 +2539,10 @@ static void svm_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
2539 2539
2540 if (masked) { 2540 if (masked) {
2541 svm->vcpu.arch.hflags |= HF_NMI_MASK; 2541 svm->vcpu.arch.hflags |= HF_NMI_MASK;
2542 svm->vmcb->control.intercept |= (1UL << INTERCEPT_IRET); 2542 svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET);
2543 } else { 2543 } else {
2544 svm->vcpu.arch.hflags &= ~HF_NMI_MASK; 2544 svm->vcpu.arch.hflags &= ~HF_NMI_MASK;
2545 svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET); 2545 svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET);
2546 } 2546 }
2547} 2547}
2548 2548
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 32022a8a5c3b..edca080407a5 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2703,8 +2703,7 @@ static int vmx_nmi_allowed(struct kvm_vcpu *vcpu)
2703 return 0; 2703 return 0;
2704 2704
2705 return !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & 2705 return !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
2706 (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS | 2706 (GUEST_INTR_STATE_MOV_SS | GUEST_INTR_STATE_NMI));
2707 GUEST_INTR_STATE_NMI));
2708} 2707}
2709 2708
2710static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu) 2709static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 73d854c36e39..dd9bc8fb81ab 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1713,6 +1713,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
1713 if (copy_from_user(cpuid_entries, entries, 1713 if (copy_from_user(cpuid_entries, entries,
1714 cpuid->nent * sizeof(struct kvm_cpuid_entry))) 1714 cpuid->nent * sizeof(struct kvm_cpuid_entry)))
1715 goto out_free; 1715 goto out_free;
1716 vcpu_load(vcpu);
1716 for (i = 0; i < cpuid->nent; i++) { 1717 for (i = 0; i < cpuid->nent; i++) {
1717 vcpu->arch.cpuid_entries[i].function = cpuid_entries[i].function; 1718 vcpu->arch.cpuid_entries[i].function = cpuid_entries[i].function;
1718 vcpu->arch.cpuid_entries[i].eax = cpuid_entries[i].eax; 1719 vcpu->arch.cpuid_entries[i].eax = cpuid_entries[i].eax;
@@ -1730,6 +1731,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
1730 r = 0; 1731 r = 0;
1731 kvm_apic_set_version(vcpu); 1732 kvm_apic_set_version(vcpu);
1732 kvm_x86_ops->cpuid_update(vcpu); 1733 kvm_x86_ops->cpuid_update(vcpu);
1734 vcpu_put(vcpu);
1733 1735
1734out_free: 1736out_free:
1735 vfree(cpuid_entries); 1737 vfree(cpuid_entries);
@@ -1750,9 +1752,11 @@ static int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
1750 if (copy_from_user(&vcpu->arch.cpuid_entries, entries, 1752 if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
1751 cpuid->nent * sizeof(struct kvm_cpuid_entry2))) 1753 cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
1752 goto out; 1754 goto out;
1755 vcpu_load(vcpu);
1753 vcpu->arch.cpuid_nent = cpuid->nent; 1756 vcpu->arch.cpuid_nent = cpuid->nent;
1754 kvm_apic_set_version(vcpu); 1757 kvm_apic_set_version(vcpu);
1755 kvm_x86_ops->cpuid_update(vcpu); 1758 kvm_x86_ops->cpuid_update(vcpu);
1759 vcpu_put(vcpu);
1756 return 0; 1760 return 0;
1757 1761
1758out: 1762out:
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index cbaf8f2b83df..f871e04b6965 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -26,11 +26,12 @@ obj-y += msr.o msr-reg.o msr-reg-export.o
26 26
27ifeq ($(CONFIG_X86_32),y) 27ifeq ($(CONFIG_X86_32),y)
28 obj-y += atomic64_32.o 28 obj-y += atomic64_32.o
29 lib-y += atomic64_cx8_32.o
29 lib-y += checksum_32.o 30 lib-y += checksum_32.o
30 lib-y += strstr_32.o 31 lib-y += strstr_32.o
31 lib-y += semaphore_32.o string_32.o 32 lib-y += semaphore_32.o string_32.o
32ifneq ($(CONFIG_X86_CMPXCHG64),y) 33ifneq ($(CONFIG_X86_CMPXCHG64),y)
33 lib-y += cmpxchg8b_emu.o 34 lib-y += cmpxchg8b_emu.o atomic64_386_32.o
34endif 35endif
35 lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o 36 lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o
36else 37else
diff --git a/arch/x86/lib/atomic64_32.c b/arch/x86/lib/atomic64_32.c
index 824fa0be55a3..540179e8e9fa 100644
--- a/arch/x86/lib/atomic64_32.c
+++ b/arch/x86/lib/atomic64_32.c
@@ -6,225 +6,54 @@
6#include <asm/cmpxchg.h> 6#include <asm/cmpxchg.h>
7#include <asm/atomic.h> 7#include <asm/atomic.h>
8 8
9static noinline u64 cmpxchg8b(u64 *ptr, u64 old, u64 new) 9long long atomic64_read_cx8(long long, const atomic64_t *v);
10{ 10EXPORT_SYMBOL(atomic64_read_cx8);
11 u32 low = new; 11long long atomic64_set_cx8(long long, const atomic64_t *v);
12 u32 high = new >> 32; 12EXPORT_SYMBOL(atomic64_set_cx8);
13 13long long atomic64_xchg_cx8(long long, unsigned high);
14 asm volatile( 14EXPORT_SYMBOL(atomic64_xchg_cx8);
15 LOCK_PREFIX "cmpxchg8b %1\n" 15long long atomic64_add_return_cx8(long long a, atomic64_t *v);
16 : "+A" (old), "+m" (*ptr) 16EXPORT_SYMBOL(atomic64_add_return_cx8);
17 : "b" (low), "c" (high) 17long long atomic64_sub_return_cx8(long long a, atomic64_t *v);
18 ); 18EXPORT_SYMBOL(atomic64_sub_return_cx8);
19 return old; 19long long atomic64_inc_return_cx8(long long a, atomic64_t *v);
20} 20EXPORT_SYMBOL(atomic64_inc_return_cx8);
21 21long long atomic64_dec_return_cx8(long long a, atomic64_t *v);
22u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old_val, u64 new_val) 22EXPORT_SYMBOL(atomic64_dec_return_cx8);
23{ 23long long atomic64_dec_if_positive_cx8(atomic64_t *v);
24 return cmpxchg8b(&ptr->counter, old_val, new_val); 24EXPORT_SYMBOL(atomic64_dec_if_positive_cx8);
25} 25int atomic64_inc_not_zero_cx8(atomic64_t *v);
26EXPORT_SYMBOL(atomic64_cmpxchg); 26EXPORT_SYMBOL(atomic64_inc_not_zero_cx8);
27 27int atomic64_add_unless_cx8(atomic64_t *v, long long a, long long u);
28/** 28EXPORT_SYMBOL(atomic64_add_unless_cx8);
29 * atomic64_xchg - xchg atomic64 variable 29
30 * @ptr: pointer to type atomic64_t 30#ifndef CONFIG_X86_CMPXCHG64
31 * @new_val: value to assign 31long long atomic64_read_386(long long, const atomic64_t *v);
32 * 32EXPORT_SYMBOL(atomic64_read_386);
33 * Atomically xchgs the value of @ptr to @new_val and returns 33long long atomic64_set_386(long long, const atomic64_t *v);
34 * the old value. 34EXPORT_SYMBOL(atomic64_set_386);
35 */ 35long long atomic64_xchg_386(long long, unsigned high);
36u64 atomic64_xchg(atomic64_t *ptr, u64 new_val) 36EXPORT_SYMBOL(atomic64_xchg_386);
37{ 37long long atomic64_add_return_386(long long a, atomic64_t *v);
38 /* 38EXPORT_SYMBOL(atomic64_add_return_386);
39 * Try first with a (possibly incorrect) assumption about 39long long atomic64_sub_return_386(long long a, atomic64_t *v);
40 * what we have there. We'll do two loops most likely, 40EXPORT_SYMBOL(atomic64_sub_return_386);
41 * but we'll get an ownership MESI transaction straight away 41long long atomic64_inc_return_386(long long a, atomic64_t *v);
42 * instead of a read transaction followed by a 42EXPORT_SYMBOL(atomic64_inc_return_386);
43 * flush-for-ownership transaction: 43long long atomic64_dec_return_386(long long a, atomic64_t *v);
44 */ 44EXPORT_SYMBOL(atomic64_dec_return_386);
45 u64 old_val, real_val = 0; 45long long atomic64_add_386(long long a, atomic64_t *v);
46 46EXPORT_SYMBOL(atomic64_add_386);
47 do { 47long long atomic64_sub_386(long long a, atomic64_t *v);
48 old_val = real_val; 48EXPORT_SYMBOL(atomic64_sub_386);
49 49long long atomic64_inc_386(long long a, atomic64_t *v);
50 real_val = atomic64_cmpxchg(ptr, old_val, new_val); 50EXPORT_SYMBOL(atomic64_inc_386);
51 51long long atomic64_dec_386(long long a, atomic64_t *v);
52 } while (real_val != old_val); 52EXPORT_SYMBOL(atomic64_dec_386);
53 53long long atomic64_dec_if_positive_386(atomic64_t *v);
54 return old_val; 54EXPORT_SYMBOL(atomic64_dec_if_positive_386);
55} 55int atomic64_inc_not_zero_386(atomic64_t *v);
56EXPORT_SYMBOL(atomic64_xchg); 56EXPORT_SYMBOL(atomic64_inc_not_zero_386);
57 57int atomic64_add_unless_386(atomic64_t *v, long long a, long long u);
58/** 58EXPORT_SYMBOL(atomic64_add_unless_386);
59 * atomic64_set - set atomic64 variable 59#endif
60 * @ptr: pointer to type atomic64_t
61 * @new_val: value to assign
62 *
63 * Atomically sets the value of @ptr to @new_val.
64 */
65void atomic64_set(atomic64_t *ptr, u64 new_val)
66{
67 atomic64_xchg(ptr, new_val);
68}
69EXPORT_SYMBOL(atomic64_set);
70
71/**
72EXPORT_SYMBOL(atomic64_read);
73 * atomic64_add_return - add and return
74 * @delta: integer value to add
75 * @ptr: pointer to type atomic64_t
76 *
77 * Atomically adds @delta to @ptr and returns @delta + *@ptr
78 */
79noinline u64 atomic64_add_return(u64 delta, atomic64_t *ptr)
80{
81 /*
82 * Try first with a (possibly incorrect) assumption about
83 * what we have there. We'll do two loops most likely,
84 * but we'll get an ownership MESI transaction straight away
85 * instead of a read transaction followed by a
86 * flush-for-ownership transaction:
87 */
88 u64 old_val, new_val, real_val = 0;
89
90 do {
91 old_val = real_val;
92 new_val = old_val + delta;
93
94 real_val = atomic64_cmpxchg(ptr, old_val, new_val);
95
96 } while (real_val != old_val);
97
98 return new_val;
99}
100EXPORT_SYMBOL(atomic64_add_return);
101
102u64 atomic64_sub_return(u64 delta, atomic64_t *ptr)
103{
104 return atomic64_add_return(-delta, ptr);
105}
106EXPORT_SYMBOL(atomic64_sub_return);
107
108u64 atomic64_inc_return(atomic64_t *ptr)
109{
110 return atomic64_add_return(1, ptr);
111}
112EXPORT_SYMBOL(atomic64_inc_return);
113
114u64 atomic64_dec_return(atomic64_t *ptr)
115{
116 return atomic64_sub_return(1, ptr);
117}
118EXPORT_SYMBOL(atomic64_dec_return);
119
120/**
121 * atomic64_add - add integer to atomic64 variable
122 * @delta: integer value to add
123 * @ptr: pointer to type atomic64_t
124 *
125 * Atomically adds @delta to @ptr.
126 */
127void atomic64_add(u64 delta, atomic64_t *ptr)
128{
129 atomic64_add_return(delta, ptr);
130}
131EXPORT_SYMBOL(atomic64_add);
132
133/**
134 * atomic64_sub - subtract the atomic64 variable
135 * @delta: integer value to subtract
136 * @ptr: pointer to type atomic64_t
137 *
138 * Atomically subtracts @delta from @ptr.
139 */
140void atomic64_sub(u64 delta, atomic64_t *ptr)
141{
142 atomic64_add(-delta, ptr);
143}
144EXPORT_SYMBOL(atomic64_sub);
145
146/**
147 * atomic64_sub_and_test - subtract value from variable and test result
148 * @delta: integer value to subtract
149 * @ptr: pointer to type atomic64_t
150 *
151 * Atomically subtracts @delta from @ptr and returns
152 * true if the result is zero, or false for all
153 * other cases.
154 */
155int atomic64_sub_and_test(u64 delta, atomic64_t *ptr)
156{
157 u64 new_val = atomic64_sub_return(delta, ptr);
158
159 return new_val == 0;
160}
161EXPORT_SYMBOL(atomic64_sub_and_test);
162
163/**
164 * atomic64_inc - increment atomic64 variable
165 * @ptr: pointer to type atomic64_t
166 *
167 * Atomically increments @ptr by 1.
168 */
169void atomic64_inc(atomic64_t *ptr)
170{
171 atomic64_add(1, ptr);
172}
173EXPORT_SYMBOL(atomic64_inc);
174
175/**
176 * atomic64_dec - decrement atomic64 variable
177 * @ptr: pointer to type atomic64_t
178 *
179 * Atomically decrements @ptr by 1.
180 */
181void atomic64_dec(atomic64_t *ptr)
182{
183 atomic64_sub(1, ptr);
184}
185EXPORT_SYMBOL(atomic64_dec);
186
187/**
188 * atomic64_dec_and_test - decrement and test
189 * @ptr: pointer to type atomic64_t
190 *
191 * Atomically decrements @ptr by 1 and
192 * returns true if the result is 0, or false for all other
193 * cases.
194 */
195int atomic64_dec_and_test(atomic64_t *ptr)
196{
197 return atomic64_sub_and_test(1, ptr);
198}
199EXPORT_SYMBOL(atomic64_dec_and_test);
200
201/**
202 * atomic64_inc_and_test - increment and test
203 * @ptr: pointer to type atomic64_t
204 *
205 * Atomically increments @ptr by 1
206 * and returns true if the result is zero, or false for all
207 * other cases.
208 */
209int atomic64_inc_and_test(atomic64_t *ptr)
210{
211 return atomic64_sub_and_test(-1, ptr);
212}
213EXPORT_SYMBOL(atomic64_inc_and_test);
214
215/**
216 * atomic64_add_negative - add and test if negative
217 * @delta: integer value to add
218 * @ptr: pointer to type atomic64_t
219 *
220 * Atomically adds @delta to @ptr and returns true
221 * if the result is negative, or false when
222 * result is greater than or equal to zero.
223 */
224int atomic64_add_negative(u64 delta, atomic64_t *ptr)
225{
226 s64 new_val = atomic64_add_return(delta, ptr);
227
228 return new_val < 0;
229}
230EXPORT_SYMBOL(atomic64_add_negative);
diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S
new file mode 100644
index 000000000000..4a5979aa6883
--- /dev/null
+++ b/arch/x86/lib/atomic64_386_32.S
@@ -0,0 +1,174 @@
1/*
2 * atomic64_t for 386/486
3 *
4 * Copyright © 2010 Luca Barbieri
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/linkage.h>
13#include <asm/alternative-asm.h>
14#include <asm/dwarf2.h>
15
16/* if you want SMP support, implement these with real spinlocks */
17.macro LOCK reg
18 pushfl
19 CFI_ADJUST_CFA_OFFSET 4
20 cli
21.endm
22
23.macro UNLOCK reg
24 popfl
25 CFI_ADJUST_CFA_OFFSET -4
26.endm
27
28.macro BEGIN func reg
29$v = \reg
30
31ENTRY(atomic64_\func\()_386)
32 CFI_STARTPROC
33 LOCK $v
34
35.macro RETURN
36 UNLOCK $v
37 ret
38.endm
39
40.macro END_
41 CFI_ENDPROC
42ENDPROC(atomic64_\func\()_386)
43.purgem RETURN
44.purgem END_
45.purgem END
46.endm
47
48.macro END
49RETURN
50END_
51.endm
52.endm
53
54BEGIN read %ecx
55 movl ($v), %eax
56 movl 4($v), %edx
57END
58
59BEGIN set %esi
60 movl %ebx, ($v)
61 movl %ecx, 4($v)
62END
63
64BEGIN xchg %esi
65 movl ($v), %eax
66 movl 4($v), %edx
67 movl %ebx, ($v)
68 movl %ecx, 4($v)
69END
70
71BEGIN add %ecx
72 addl %eax, ($v)
73 adcl %edx, 4($v)
74END
75
76BEGIN add_return %ecx
77 addl ($v), %eax
78 adcl 4($v), %edx
79 movl %eax, ($v)
80 movl %edx, 4($v)
81END
82
83BEGIN sub %ecx
84 subl %eax, ($v)
85 sbbl %edx, 4($v)
86END
87
88BEGIN sub_return %ecx
89 negl %edx
90 negl %eax
91 sbbl $0, %edx
92 addl ($v), %eax
93 adcl 4($v), %edx
94 movl %eax, ($v)
95 movl %edx, 4($v)
96END
97
98BEGIN inc %esi
99 addl $1, ($v)
100 adcl $0, 4($v)
101END
102
103BEGIN inc_return %esi
104 movl ($v), %eax
105 movl 4($v), %edx
106 addl $1, %eax
107 adcl $0, %edx
108 movl %eax, ($v)
109 movl %edx, 4($v)
110END
111
112BEGIN dec %esi
113 subl $1, ($v)
114 sbbl $0, 4($v)
115END
116
117BEGIN dec_return %esi
118 movl ($v), %eax
119 movl 4($v), %edx
120 subl $1, %eax
121 sbbl $0, %edx
122 movl %eax, ($v)
123 movl %edx, 4($v)
124END
125
126BEGIN add_unless %ecx
127 addl %eax, %esi
128 adcl %edx, %edi
129 addl ($v), %eax
130 adcl 4($v), %edx
131 cmpl %eax, %esi
132 je 3f
1331:
134 movl %eax, ($v)
135 movl %edx, 4($v)
136 movl $1, %eax
1372:
138RETURN
1393:
140 cmpl %edx, %edi
141 jne 1b
142 xorl %eax, %eax
143 jmp 2b
144END_
145
146BEGIN inc_not_zero %esi
147 movl ($v), %eax
148 movl 4($v), %edx
149 testl %eax, %eax
150 je 3f
1511:
152 addl $1, %eax
153 adcl $0, %edx
154 movl %eax, ($v)
155 movl %edx, 4($v)
156 movl $1, %eax
1572:
158RETURN
1593:
160 testl %edx, %edx
161 jne 1b
162 jmp 2b
163END_
164
165BEGIN dec_if_positive %esi
166 movl ($v), %eax
167 movl 4($v), %edx
168 subl $1, %eax
169 sbbl $0, %edx
170 js 1f
171 movl %eax, ($v)
172 movl %edx, 4($v)
1731:
174END
diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S
new file mode 100644
index 000000000000..71e080de3352
--- /dev/null
+++ b/arch/x86/lib/atomic64_cx8_32.S
@@ -0,0 +1,224 @@
1/*
2 * atomic64_t for 586+
3 *
4 * Copyright © 2010 Luca Barbieri
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/linkage.h>
13#include <asm/alternative-asm.h>
14#include <asm/dwarf2.h>
15
16.macro SAVE reg
17 pushl %\reg
18 CFI_ADJUST_CFA_OFFSET 4
19 CFI_REL_OFFSET \reg, 0
20.endm
21
22.macro RESTORE reg
23 popl %\reg
24 CFI_ADJUST_CFA_OFFSET -4
25 CFI_RESTORE \reg
26.endm
27
28.macro read64 reg
29 movl %ebx, %eax
30 movl %ecx, %edx
31/* we need LOCK_PREFIX since otherwise cmpxchg8b always does the write */
32 LOCK_PREFIX
33 cmpxchg8b (\reg)
34.endm
35
36ENTRY(atomic64_read_cx8)
37 CFI_STARTPROC
38
39 read64 %ecx
40 ret
41 CFI_ENDPROC
42ENDPROC(atomic64_read_cx8)
43
44ENTRY(atomic64_set_cx8)
45 CFI_STARTPROC
46
471:
48/* we don't need LOCK_PREFIX since aligned 64-bit writes
49 * are atomic on 586 and newer */
50 cmpxchg8b (%esi)
51 jne 1b
52
53 ret
54 CFI_ENDPROC
55ENDPROC(atomic64_set_cx8)
56
57ENTRY(atomic64_xchg_cx8)
58 CFI_STARTPROC
59
60 movl %ebx, %eax
61 movl %ecx, %edx
621:
63 LOCK_PREFIX
64 cmpxchg8b (%esi)
65 jne 1b
66
67 ret
68 CFI_ENDPROC
69ENDPROC(atomic64_xchg_cx8)
70
71.macro addsub_return func ins insc
72ENTRY(atomic64_\func\()_return_cx8)
73 CFI_STARTPROC
74 SAVE ebp
75 SAVE ebx
76 SAVE esi
77 SAVE edi
78
79 movl %eax, %esi
80 movl %edx, %edi
81 movl %ecx, %ebp
82
83 read64 %ebp
841:
85 movl %eax, %ebx
86 movl %edx, %ecx
87 \ins\()l %esi, %ebx
88 \insc\()l %edi, %ecx
89 LOCK_PREFIX
90 cmpxchg8b (%ebp)
91 jne 1b
92
9310:
94 movl %ebx, %eax
95 movl %ecx, %edx
96 RESTORE edi
97 RESTORE esi
98 RESTORE ebx
99 RESTORE ebp
100 ret
101 CFI_ENDPROC
102ENDPROC(atomic64_\func\()_return_cx8)
103.endm
104
105addsub_return add add adc
106addsub_return sub sub sbb
107
108.macro incdec_return func ins insc
109ENTRY(atomic64_\func\()_return_cx8)
110 CFI_STARTPROC
111 SAVE ebx
112
113 read64 %esi
1141:
115 movl %eax, %ebx
116 movl %edx, %ecx
117 \ins\()l $1, %ebx
118 \insc\()l $0, %ecx
119 LOCK_PREFIX
120 cmpxchg8b (%esi)
121 jne 1b
122
12310:
124 movl %ebx, %eax
125 movl %ecx, %edx
126 RESTORE ebx
127 ret
128 CFI_ENDPROC
129ENDPROC(atomic64_\func\()_return_cx8)
130.endm
131
132incdec_return inc add adc
133incdec_return dec sub sbb
134
135ENTRY(atomic64_dec_if_positive_cx8)
136 CFI_STARTPROC
137 SAVE ebx
138
139 read64 %esi
1401:
141 movl %eax, %ebx
142 movl %edx, %ecx
143 subl $1, %ebx
144 sbb $0, %ecx
145 js 2f
146 LOCK_PREFIX
147 cmpxchg8b (%esi)
148 jne 1b
149
1502:
151 movl %ebx, %eax
152 movl %ecx, %edx
153 RESTORE ebx
154 ret
155 CFI_ENDPROC
156ENDPROC(atomic64_dec_if_positive_cx8)
157
158ENTRY(atomic64_add_unless_cx8)
159 CFI_STARTPROC
160 SAVE ebp
161 SAVE ebx
162/* these just push these two parameters on the stack */
163 SAVE edi
164 SAVE esi
165
166 movl %ecx, %ebp
167 movl %eax, %esi
168 movl %edx, %edi
169
170 read64 %ebp
1711:
172 cmpl %eax, 0(%esp)
173 je 4f
1742:
175 movl %eax, %ebx
176 movl %edx, %ecx
177 addl %esi, %ebx
178 adcl %edi, %ecx
179 LOCK_PREFIX
180 cmpxchg8b (%ebp)
181 jne 1b
182
183 movl $1, %eax
1843:
185 addl $8, %esp
186 CFI_ADJUST_CFA_OFFSET -8
187 RESTORE ebx
188 RESTORE ebp
189 ret
1904:
191 cmpl %edx, 4(%esp)
192 jne 2b
193 xorl %eax, %eax
194 jmp 3b
195 CFI_ENDPROC
196ENDPROC(atomic64_add_unless_cx8)
197
198ENTRY(atomic64_inc_not_zero_cx8)
199 CFI_STARTPROC
200 SAVE ebx
201
202 read64 %esi
2031:
204 testl %eax, %eax
205 je 4f
2062:
207 movl %eax, %ebx
208 movl %edx, %ecx
209 addl $1, %ebx
210 adcl $0, %ecx
211 LOCK_PREFIX
212 cmpxchg8b (%esi)
213 jne 1b
214
215 movl $1, %eax
2163:
217 RESTORE ebx
218 ret
2194:
220 testl %edx, %edx
221 jne 2b
222 jmp 3b
223 CFI_ENDPROC
224ENDPROC(atomic64_inc_not_zero_cx8)
diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c
index aa0987088774..dc8adad10a2f 100644
--- a/arch/x86/math-emu/fpu_aux.c
+++ b/arch/x86/math-emu/fpu_aux.c
@@ -30,10 +30,10 @@ static void fclex(void)
30} 30}
31 31
32/* Needs to be externally visible */ 32/* Needs to be externally visible */
33void finit_task(struct task_struct *tsk) 33void finit_soft_fpu(struct i387_soft_struct *soft)
34{ 34{
35 struct i387_soft_struct *soft = &tsk->thread.xstate->soft;
36 struct address *oaddr, *iaddr; 35 struct address *oaddr, *iaddr;
36 memset(soft, 0, sizeof(*soft));
37 soft->cwd = 0x037f; 37 soft->cwd = 0x037f;
38 soft->swd = 0; 38 soft->swd = 0;
39 soft->ftop = 0; /* We don't keep top in the status word internally. */ 39 soft->ftop = 0; /* We don't keep top in the status word internally. */
@@ -52,7 +52,7 @@ void finit_task(struct task_struct *tsk)
52 52
53void finit(void) 53void finit(void)
54{ 54{
55 finit_task(current); 55 finit_soft_fpu(&current->thread.fpu.state->soft);
56} 56}
57 57
58/* 58/*
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index 5d87f586f8d7..7718541541d4 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/arch/x86/math-emu/fpu_entry.c
@@ -681,7 +681,7 @@ int fpregs_soft_set(struct task_struct *target,
681 unsigned int pos, unsigned int count, 681 unsigned int pos, unsigned int count,
682 const void *kbuf, const void __user *ubuf) 682 const void *kbuf, const void __user *ubuf)
683{ 683{
684 struct i387_soft_struct *s387 = &target->thread.xstate->soft; 684 struct i387_soft_struct *s387 = &target->thread.fpu.state->soft;
685 void *space = s387->st_space; 685 void *space = s387->st_space;
686 int ret; 686 int ret;
687 int offset, other, i, tags, regnr, tag, newtop; 687 int offset, other, i, tags, regnr, tag, newtop;
@@ -733,7 +733,7 @@ int fpregs_soft_get(struct task_struct *target,
733 unsigned int pos, unsigned int count, 733 unsigned int pos, unsigned int count,
734 void *kbuf, void __user *ubuf) 734 void *kbuf, void __user *ubuf)
735{ 735{
736 struct i387_soft_struct *s387 = &target->thread.xstate->soft; 736 struct i387_soft_struct *s387 = &target->thread.fpu.state->soft;
737 const void *space = s387->st_space; 737 const void *space = s387->st_space;
738 int ret; 738 int ret;
739 int offset = (S387->ftop & 7) * 10, other = 80 - offset; 739 int offset = (S387->ftop & 7) * 10, other = 80 - offset;
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h
index 50fa0ec2c8a5..2c614410a5f3 100644
--- a/arch/x86/math-emu/fpu_system.h
+++ b/arch/x86/math-emu/fpu_system.h
@@ -31,7 +31,7 @@
31#define SEG_EXPAND_DOWN(s) (((s).b & ((1 << 11) | (1 << 10))) \ 31#define SEG_EXPAND_DOWN(s) (((s).b & ((1 << 11) | (1 << 10))) \
32 == (1 << 10)) 32 == (1 << 10))
33 33
34#define I387 (current->thread.xstate) 34#define I387 (current->thread.fpu.state)
35#define FPU_info (I387->soft.info) 35#define FPU_info (I387->soft.info)
36 36
37#define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs)) 37#define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs))
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index 06630d26e56d..a4c768397baa 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -6,6 +6,7 @@ nostackp := $(call cc-option, -fno-stack-protector)
6CFLAGS_physaddr.o := $(nostackp) 6CFLAGS_physaddr.o := $(nostackp)
7CFLAGS_setup_nx.o := $(nostackp) 7CFLAGS_setup_nx.o := $(nostackp)
8 8
9obj-$(CONFIG_X86_PAT) += pat_rbtree.o
9obj-$(CONFIG_SMP) += tlb.o 10obj-$(CONFIG_SMP) += tlb.o
10 11
11obj-$(CONFIG_X86_32) += pgtable_32.o iomap_32.o 12obj-$(CONFIG_X86_32) += pgtable_32.o iomap_32.o
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index edc8b95afc1a..bbe5502ee1cb 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -30,6 +30,8 @@
30#include <asm/pat.h> 30#include <asm/pat.h>
31#include <asm/io.h> 31#include <asm/io.h>
32 32
33#include "pat_internal.h"
34
33#ifdef CONFIG_X86_PAT 35#ifdef CONFIG_X86_PAT
34int __read_mostly pat_enabled = 1; 36int __read_mostly pat_enabled = 1;
35 37
@@ -53,19 +55,15 @@ static inline void pat_disable(const char *reason)
53#endif 55#endif
54 56
55 57
56static int debug_enable; 58int pat_debug_enable;
57 59
58static int __init pat_debug_setup(char *str) 60static int __init pat_debug_setup(char *str)
59{ 61{
60 debug_enable = 1; 62 pat_debug_enable = 1;
61 return 0; 63 return 0;
62} 64}
63__setup("debugpat", pat_debug_setup); 65__setup("debugpat", pat_debug_setup);
64 66
65#define dprintk(fmt, arg...) \
66 do { if (debug_enable) printk(KERN_INFO fmt, ##arg); } while (0)
67
68
69static u64 __read_mostly boot_pat_state; 67static u64 __read_mostly boot_pat_state;
70 68
71enum { 69enum {
@@ -132,84 +130,7 @@ void pat_init(void)
132 130
133#undef PAT 131#undef PAT
134 132
135static char *cattr_name(unsigned long flags) 133static DEFINE_SPINLOCK(memtype_lock); /* protects memtype accesses */
136{
137 switch (flags & _PAGE_CACHE_MASK) {
138 case _PAGE_CACHE_UC: return "uncached";
139 case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
140 case _PAGE_CACHE_WB: return "write-back";
141 case _PAGE_CACHE_WC: return "write-combining";
142 default: return "broken";
143 }
144}
145
146/*
147 * The global memtype list keeps track of memory type for specific
148 * physical memory areas. Conflicting memory types in different
149 * mappings can cause CPU cache corruption. To avoid this we keep track.
150 *
151 * The list is sorted based on starting address and can contain multiple
152 * entries for each address (this allows reference counting for overlapping
153 * areas). All the aliases have the same cache attributes of course.
154 * Zero attributes are represented as holes.
155 *
156 * The data structure is a list that is also organized as an rbtree
157 * sorted on the start address of memtype range.
158 *
159 * memtype_lock protects both the linear list and rbtree.
160 */
161
162struct memtype {
163 u64 start;
164 u64 end;
165 unsigned long type;
166 struct list_head nd;
167 struct rb_node rb;
168};
169
170static struct rb_root memtype_rbroot = RB_ROOT;
171static LIST_HEAD(memtype_list);
172static DEFINE_SPINLOCK(memtype_lock); /* protects memtype list */
173
174static struct memtype *memtype_rb_search(struct rb_root *root, u64 start)
175{
176 struct rb_node *node = root->rb_node;
177 struct memtype *last_lower = NULL;
178
179 while (node) {
180 struct memtype *data = container_of(node, struct memtype, rb);
181
182 if (data->start < start) {
183 last_lower = data;
184 node = node->rb_right;
185 } else if (data->start > start) {
186 node = node->rb_left;
187 } else
188 return data;
189 }
190
191 /* Will return NULL if there is no entry with its start <= start */
192 return last_lower;
193}
194
195static void memtype_rb_insert(struct rb_root *root, struct memtype *data)
196{
197 struct rb_node **new = &(root->rb_node);
198 struct rb_node *parent = NULL;
199
200 while (*new) {
201 struct memtype *this = container_of(*new, struct memtype, rb);
202
203 parent = *new;
204 if (data->start <= this->start)
205 new = &((*new)->rb_left);
206 else if (data->start > this->start)
207 new = &((*new)->rb_right);
208 }
209
210 rb_link_node(&data->rb, parent, new);
211 rb_insert_color(&data->rb, root);
212}
213 134
214/* 135/*
215 * Does intersection of PAT memory type and MTRR memory type and returns 136 * Does intersection of PAT memory type and MTRR memory type and returns
@@ -237,33 +158,6 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type)
237 return req_type; 158 return req_type;
238} 159}
239 160
240static int
241chk_conflict(struct memtype *new, struct memtype *entry, unsigned long *type)
242{
243 if (new->type != entry->type) {
244 if (type) {
245 new->type = entry->type;
246 *type = entry->type;
247 } else
248 goto conflict;
249 }
250
251 /* check overlaps with more than one entry in the list */
252 list_for_each_entry_continue(entry, &memtype_list, nd) {
253 if (new->end <= entry->start)
254 break;
255 else if (new->type != entry->type)
256 goto conflict;
257 }
258 return 0;
259
260 conflict:
261 printk(KERN_INFO "%s:%d conflicting memory types "
262 "%Lx-%Lx %s<->%s\n", current->comm, current->pid, new->start,
263 new->end, cattr_name(new->type), cattr_name(entry->type));
264 return -EBUSY;
265}
266
267static int pat_pagerange_is_ram(unsigned long start, unsigned long end) 161static int pat_pagerange_is_ram(unsigned long start, unsigned long end)
268{ 162{
269 int ram_page = 0, not_rampage = 0; 163 int ram_page = 0, not_rampage = 0;
@@ -296,8 +190,6 @@ static int pat_pagerange_is_ram(unsigned long start, unsigned long end)
296 * Here we do two pass: 190 * Here we do two pass:
297 * - Find the memtype of all the pages in the range, look for any conflicts 191 * - Find the memtype of all the pages in the range, look for any conflicts
298 * - In case of no conflicts, set the new memtype for pages in the range 192 * - In case of no conflicts, set the new memtype for pages in the range
299 *
300 * Caller must hold memtype_lock for atomicity.
301 */ 193 */
302static int reserve_ram_pages_type(u64 start, u64 end, unsigned long req_type, 194static int reserve_ram_pages_type(u64 start, u64 end, unsigned long req_type,
303 unsigned long *new_type) 195 unsigned long *new_type)
@@ -364,9 +256,8 @@ static int free_ram_pages_type(u64 start, u64 end)
364int reserve_memtype(u64 start, u64 end, unsigned long req_type, 256int reserve_memtype(u64 start, u64 end, unsigned long req_type,
365 unsigned long *new_type) 257 unsigned long *new_type)
366{ 258{
367 struct memtype *new, *entry; 259 struct memtype *new;
368 unsigned long actual_type; 260 unsigned long actual_type;
369 struct list_head *where;
370 int is_range_ram; 261 int is_range_ram;
371 int err = 0; 262 int err = 0;
372 263
@@ -404,9 +295,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
404 is_range_ram = pat_pagerange_is_ram(start, end); 295 is_range_ram = pat_pagerange_is_ram(start, end);
405 if (is_range_ram == 1) { 296 if (is_range_ram == 1) {
406 297
407 spin_lock(&memtype_lock);
408 err = reserve_ram_pages_type(start, end, req_type, new_type); 298 err = reserve_ram_pages_type(start, end, req_type, new_type);
409 spin_unlock(&memtype_lock);
410 299
411 return err; 300 return err;
412 } else if (is_range_ram < 0) { 301 } else if (is_range_ram < 0) {
@@ -423,42 +312,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
423 312
424 spin_lock(&memtype_lock); 313 spin_lock(&memtype_lock);
425 314
426 /* Search for existing mapping that overlaps the current range */ 315 err = rbt_memtype_check_insert(new, new_type);
427 where = NULL;
428 list_for_each_entry(entry, &memtype_list, nd) {
429 if (end <= entry->start) {
430 where = entry->nd.prev;
431 break;
432 } else if (start <= entry->start) { /* end > entry->start */
433 err = chk_conflict(new, entry, new_type);
434 if (!err) {
435 dprintk("Overlap at 0x%Lx-0x%Lx\n",
436 entry->start, entry->end);
437 where = entry->nd.prev;
438 }
439 break;
440 } else if (start < entry->end) { /* start > entry->start */
441 err = chk_conflict(new, entry, new_type);
442 if (!err) {
443 dprintk("Overlap at 0x%Lx-0x%Lx\n",
444 entry->start, entry->end);
445
446 /*
447 * Move to right position in the linked
448 * list to add this new entry
449 */
450 list_for_each_entry_continue(entry,
451 &memtype_list, nd) {
452 if (start <= entry->start) {
453 where = entry->nd.prev;
454 break;
455 }
456 }
457 }
458 break;
459 }
460 }
461
462 if (err) { 316 if (err) {
463 printk(KERN_INFO "reserve_memtype failed 0x%Lx-0x%Lx, " 317 printk(KERN_INFO "reserve_memtype failed 0x%Lx-0x%Lx, "
464 "track %s, req %s\n", 318 "track %s, req %s\n",
@@ -469,13 +323,6 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
469 return err; 323 return err;
470 } 324 }
471 325
472 if (where)
473 list_add(&new->nd, where);
474 else
475 list_add_tail(&new->nd, &memtype_list);
476
477 memtype_rb_insert(&memtype_rbroot, new);
478
479 spin_unlock(&memtype_lock); 326 spin_unlock(&memtype_lock);
480 327
481 dprintk("reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n", 328 dprintk("reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n",
@@ -487,7 +334,6 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
487 334
488int free_memtype(u64 start, u64 end) 335int free_memtype(u64 start, u64 end)
489{ 336{
490 struct memtype *entry, *saved_entry;
491 int err = -EINVAL; 337 int err = -EINVAL;
492 int is_range_ram; 338 int is_range_ram;
493 339
@@ -501,9 +347,7 @@ int free_memtype(u64 start, u64 end)
501 is_range_ram = pat_pagerange_is_ram(start, end); 347 is_range_ram = pat_pagerange_is_ram(start, end);
502 if (is_range_ram == 1) { 348 if (is_range_ram == 1) {
503 349
504 spin_lock(&memtype_lock);
505 err = free_ram_pages_type(start, end); 350 err = free_ram_pages_type(start, end);
506 spin_unlock(&memtype_lock);
507 351
508 return err; 352 return err;
509 } else if (is_range_ram < 0) { 353 } else if (is_range_ram < 0) {
@@ -511,46 +355,7 @@ int free_memtype(u64 start, u64 end)
511 } 355 }
512 356
513 spin_lock(&memtype_lock); 357 spin_lock(&memtype_lock);
514 358 err = rbt_memtype_erase(start, end);
515 entry = memtype_rb_search(&memtype_rbroot, start);
516 if (unlikely(entry == NULL))
517 goto unlock_ret;
518
519 /*
520 * Saved entry points to an entry with start same or less than what
521 * we searched for. Now go through the list in both directions to look
522 * for the entry that matches with both start and end, with list stored
523 * in sorted start address
524 */
525 saved_entry = entry;
526 list_for_each_entry_from(entry, &memtype_list, nd) {
527 if (entry->start == start && entry->end == end) {
528 rb_erase(&entry->rb, &memtype_rbroot);
529 list_del(&entry->nd);
530 kfree(entry);
531 err = 0;
532 break;
533 } else if (entry->start > start) {
534 break;
535 }
536 }
537
538 if (!err)
539 goto unlock_ret;
540
541 entry = saved_entry;
542 list_for_each_entry_reverse(entry, &memtype_list, nd) {
543 if (entry->start == start && entry->end == end) {
544 rb_erase(&entry->rb, &memtype_rbroot);
545 list_del(&entry->nd);
546 kfree(entry);
547 err = 0;
548 break;
549 } else if (entry->start < start) {
550 break;
551 }
552 }
553unlock_ret:
554 spin_unlock(&memtype_lock); 359 spin_unlock(&memtype_lock);
555 360
556 if (err) { 361 if (err) {
@@ -583,10 +388,8 @@ static unsigned long lookup_memtype(u64 paddr)
583 388
584 if (pat_pagerange_is_ram(paddr, paddr + PAGE_SIZE)) { 389 if (pat_pagerange_is_ram(paddr, paddr + PAGE_SIZE)) {
585 struct page *page; 390 struct page *page;
586 spin_lock(&memtype_lock);
587 page = pfn_to_page(paddr >> PAGE_SHIFT); 391 page = pfn_to_page(paddr >> PAGE_SHIFT);
588 rettype = get_page_memtype(page); 392 rettype = get_page_memtype(page);
589 spin_unlock(&memtype_lock);
590 /* 393 /*
591 * -1 from get_page_memtype() implies RAM page is in its 394 * -1 from get_page_memtype() implies RAM page is in its
592 * default state and not reserved, and hence of type WB 395 * default state and not reserved, and hence of type WB
@@ -599,7 +402,7 @@ static unsigned long lookup_memtype(u64 paddr)
599 402
600 spin_lock(&memtype_lock); 403 spin_lock(&memtype_lock);
601 404
602 entry = memtype_rb_search(&memtype_rbroot, paddr); 405 entry = rbt_memtype_lookup(paddr);
603 if (entry != NULL) 406 if (entry != NULL)
604 rettype = entry->type; 407 rettype = entry->type;
605 else 408 else
@@ -936,29 +739,25 @@ EXPORT_SYMBOL_GPL(pgprot_writecombine);
936 739
937#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT) 740#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT)
938 741
939/* get Nth element of the linked list */
940static struct memtype *memtype_get_idx(loff_t pos) 742static struct memtype *memtype_get_idx(loff_t pos)
941{ 743{
942 struct memtype *list_node, *print_entry; 744 struct memtype *print_entry;
943 int i = 1; 745 int ret;
944 746
945 print_entry = kmalloc(sizeof(struct memtype), GFP_KERNEL); 747 print_entry = kzalloc(sizeof(struct memtype), GFP_KERNEL);
946 if (!print_entry) 748 if (!print_entry)
947 return NULL; 749 return NULL;
948 750
949 spin_lock(&memtype_lock); 751 spin_lock(&memtype_lock);
950 list_for_each_entry(list_node, &memtype_list, nd) { 752 ret = rbt_memtype_copy_nth_element(print_entry, pos);
951 if (pos == i) {
952 *print_entry = *list_node;
953 spin_unlock(&memtype_lock);
954 return print_entry;
955 }
956 ++i;
957 }
958 spin_unlock(&memtype_lock); 753 spin_unlock(&memtype_lock);
959 kfree(print_entry);
960 754
961 return NULL; 755 if (!ret) {
756 return print_entry;
757 } else {
758 kfree(print_entry);
759 return NULL;
760 }
962} 761}
963 762
964static void *memtype_seq_start(struct seq_file *seq, loff_t *pos) 763static void *memtype_seq_start(struct seq_file *seq, loff_t *pos)
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h
new file mode 100644
index 000000000000..4f39eefa3e61
--- /dev/null
+++ b/arch/x86/mm/pat_internal.h
@@ -0,0 +1,46 @@
1#ifndef __PAT_INTERNAL_H_
2#define __PAT_INTERNAL_H_
3
4extern int pat_debug_enable;
5
6#define dprintk(fmt, arg...) \
7 do { if (pat_debug_enable) printk(KERN_INFO fmt, ##arg); } while (0)
8
9struct memtype {
10 u64 start;
11 u64 end;
12 u64 subtree_max_end;
13 unsigned long type;
14 struct rb_node rb;
15};
16
17static inline char *cattr_name(unsigned long flags)
18{
19 switch (flags & _PAGE_CACHE_MASK) {
20 case _PAGE_CACHE_UC: return "uncached";
21 case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
22 case _PAGE_CACHE_WB: return "write-back";
23 case _PAGE_CACHE_WC: return "write-combining";
24 default: return "broken";
25 }
26}
27
28#ifdef CONFIG_X86_PAT
29extern int rbt_memtype_check_insert(struct memtype *new,
30 unsigned long *new_type);
31extern int rbt_memtype_erase(u64 start, u64 end);
32extern struct memtype *rbt_memtype_lookup(u64 addr);
33extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos);
34#else
35static inline int rbt_memtype_check_insert(struct memtype *new,
36 unsigned long *new_type)
37{ return 0; }
38static inline int rbt_memtype_erase(u64 start, u64 end)
39{ return 0; }
40static inline struct memtype *rbt_memtype_lookup(u64 addr)
41{ return NULL; }
42static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos)
43{ return 0; }
44#endif
45
46#endif /* __PAT_INTERNAL_H_ */
diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c
new file mode 100644
index 000000000000..07de4cb8cc30
--- /dev/null
+++ b/arch/x86/mm/pat_rbtree.c
@@ -0,0 +1,273 @@
1/*
2 * Handle caching attributes in page tables (PAT)
3 *
4 * Authors: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
5 * Suresh B Siddha <suresh.b.siddha@intel.com>
6 *
7 * Interval tree (augmented rbtree) used to store the PAT memory type
8 * reservations.
9 */
10
11#include <linux/seq_file.h>
12#include <linux/debugfs.h>
13#include <linux/kernel.h>
14#include <linux/module.h>
15#include <linux/rbtree.h>
16#include <linux/sched.h>
17#include <linux/gfp.h>
18
19#include <asm/pgtable.h>
20#include <asm/pat.h>
21
22#include "pat_internal.h"
23
24/*
25 * The memtype tree keeps track of memory type for specific
26 * physical memory areas. Without proper tracking, conflicting memory
27 * types in different mappings can cause CPU cache corruption.
28 *
29 * The tree is an interval tree (augmented rbtree) with tree ordered
30 * on starting address. Tree can contain multiple entries for
31 * different regions which overlap. All the aliases have the same
32 * cache attributes of course.
33 *
34 * memtype_lock protects the rbtree.
35 */
36
37static void memtype_rb_augment_cb(struct rb_node *node);
38static struct rb_root memtype_rbroot = RB_AUGMENT_ROOT(&memtype_rb_augment_cb);
39
40static int is_node_overlap(struct memtype *node, u64 start, u64 end)
41{
42 if (node->start >= end || node->end <= start)
43 return 0;
44
45 return 1;
46}
47
48static u64 get_subtree_max_end(struct rb_node *node)
49{
50 u64 ret = 0;
51 if (node) {
52 struct memtype *data = container_of(node, struct memtype, rb);
53 ret = data->subtree_max_end;
54 }
55 return ret;
56}
57
58/* Update 'subtree_max_end' for a node, based on node and its children */
59static void update_node_max_end(struct rb_node *node)
60{
61 struct memtype *data;
62 u64 max_end, child_max_end;
63
64 if (!node)
65 return;
66
67 data = container_of(node, struct memtype, rb);
68 max_end = data->end;
69
70 child_max_end = get_subtree_max_end(node->rb_right);
71 if (child_max_end > max_end)
72 max_end = child_max_end;
73
74 child_max_end = get_subtree_max_end(node->rb_left);
75 if (child_max_end > max_end)
76 max_end = child_max_end;
77
78 data->subtree_max_end = max_end;
79}
80
81/* Update 'subtree_max_end' for a node and all its ancestors */
82static void update_path_max_end(struct rb_node *node)
83{
84 u64 old_max_end, new_max_end;
85
86 while (node) {
87 struct memtype *data = container_of(node, struct memtype, rb);
88
89 old_max_end = data->subtree_max_end;
90 update_node_max_end(node);
91 new_max_end = data->subtree_max_end;
92
93 if (new_max_end == old_max_end)
94 break;
95
96 node = rb_parent(node);
97 }
98}
99
100/* Find the first (lowest start addr) overlapping range from rb tree */
101static struct memtype *memtype_rb_lowest_match(struct rb_root *root,
102 u64 start, u64 end)
103{
104 struct rb_node *node = root->rb_node;
105 struct memtype *last_lower = NULL;
106
107 while (node) {
108 struct memtype *data = container_of(node, struct memtype, rb);
109
110 if (get_subtree_max_end(node->rb_left) > start) {
111 /* Lowest overlap if any must be on left side */
112 node = node->rb_left;
113 } else if (is_node_overlap(data, start, end)) {
114 last_lower = data;
115 break;
116 } else if (start >= data->start) {
117 /* Lowest overlap if any must be on right side */
118 node = node->rb_right;
119 } else {
120 break;
121 }
122 }
123 return last_lower; /* Returns NULL if there is no overlap */
124}
125
126static struct memtype *memtype_rb_exact_match(struct rb_root *root,
127 u64 start, u64 end)
128{
129 struct memtype *match;
130
131 match = memtype_rb_lowest_match(root, start, end);
132 while (match != NULL && match->start < end) {
133 struct rb_node *node;
134
135 if (match->start == start && match->end == end)
136 return match;
137
138 node = rb_next(&match->rb);
139 if (node)
140 match = container_of(node, struct memtype, rb);
141 else
142 match = NULL;
143 }
144
145 return NULL; /* Returns NULL if there is no exact match */
146}
147
148static int memtype_rb_check_conflict(struct rb_root *root,
149 u64 start, u64 end,
150 unsigned long reqtype, unsigned long *newtype)
151{
152 struct rb_node *node;
153 struct memtype *match;
154 int found_type = reqtype;
155
156 match = memtype_rb_lowest_match(&memtype_rbroot, start, end);
157 if (match == NULL)
158 goto success;
159
160 if (match->type != found_type && newtype == NULL)
161 goto failure;
162
163 dprintk("Overlap at 0x%Lx-0x%Lx\n", match->start, match->end);
164 found_type = match->type;
165
166 node = rb_next(&match->rb);
167 while (node) {
168 match = container_of(node, struct memtype, rb);
169
170 if (match->start >= end) /* Checked all possible matches */
171 goto success;
172
173 if (is_node_overlap(match, start, end) &&
174 match->type != found_type) {
175 goto failure;
176 }
177
178 node = rb_next(&match->rb);
179 }
180success:
181 if (newtype)
182 *newtype = found_type;
183
184 return 0;
185
186failure:
187 printk(KERN_INFO "%s:%d conflicting memory types "
188 "%Lx-%Lx %s<->%s\n", current->comm, current->pid, start,
189 end, cattr_name(found_type), cattr_name(match->type));
190 return -EBUSY;
191}
192
193static void memtype_rb_augment_cb(struct rb_node *node)
194{
195 if (node)
196 update_path_max_end(node);
197}
198
199static void memtype_rb_insert(struct rb_root *root, struct memtype *newdata)
200{
201 struct rb_node **node = &(root->rb_node);
202 struct rb_node *parent = NULL;
203
204 while (*node) {
205 struct memtype *data = container_of(*node, struct memtype, rb);
206
207 parent = *node;
208 if (newdata->start <= data->start)
209 node = &((*node)->rb_left);
210 else if (newdata->start > data->start)
211 node = &((*node)->rb_right);
212 }
213
214 rb_link_node(&newdata->rb, parent, node);
215 rb_insert_color(&newdata->rb, root);
216}
217
218int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type)
219{
220 int err = 0;
221
222 err = memtype_rb_check_conflict(&memtype_rbroot, new->start, new->end,
223 new->type, ret_type);
224
225 if (!err) {
226 if (ret_type)
227 new->type = *ret_type;
228
229 memtype_rb_insert(&memtype_rbroot, new);
230 }
231 return err;
232}
233
234int rbt_memtype_erase(u64 start, u64 end)
235{
236 struct memtype *data;
237
238 data = memtype_rb_exact_match(&memtype_rbroot, start, end);
239 if (!data)
240 return -EINVAL;
241
242 rb_erase(&data->rb, &memtype_rbroot);
243 return 0;
244}
245
246struct memtype *rbt_memtype_lookup(u64 addr)
247{
248 struct memtype *data;
249 data = memtype_rb_lowest_match(&memtype_rbroot, addr, addr + PAGE_SIZE);
250 return data;
251}
252
253#if defined(CONFIG_DEBUG_FS)
254int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos)
255{
256 struct rb_node *node;
257 int i = 1;
258
259 node = rb_first(&memtype_rbroot);
260 while (node && pos != i) {
261 node = rb_next(node);
262 i++;
263 }
264
265 if (node) { /* pos == i */
266 struct memtype *this = container_of(node, struct memtype, rb);
267 *out = *this;
268 return 0;
269 } else {
270 return 1;
271 }
272}
273#endif
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 28c68762648f..f9897f7a9ef1 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -363,6 +363,54 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
363 for (i = 0; i < MAX_NUMNODES; i++) 363 for (i = 0; i < MAX_NUMNODES; i++)
364 cutoff_node(i, start, end); 364 cutoff_node(i, start, end);
365 365
366 /*
367 * Join together blocks on the same node, holes between
368 * which don't overlap with memory on other nodes.
369 */
370 for (i = 0; i < num_node_memblks; ++i) {
371 int j, k;
372
373 for (j = i + 1; j < num_node_memblks; ++j) {
374 unsigned long start, end;
375
376 if (memblk_nodeid[i] != memblk_nodeid[j])
377 continue;
378 start = min(node_memblk_range[i].end,
379 node_memblk_range[j].end);
380 end = max(node_memblk_range[i].start,
381 node_memblk_range[j].start);
382 for (k = 0; k < num_node_memblks; ++k) {
383 if (memblk_nodeid[i] == memblk_nodeid[k])
384 continue;
385 if (start < node_memblk_range[k].end &&
386 end > node_memblk_range[k].start)
387 break;
388 }
389 if (k < num_node_memblks)
390 continue;
391 start = min(node_memblk_range[i].start,
392 node_memblk_range[j].start);
393 end = max(node_memblk_range[i].end,
394 node_memblk_range[j].end);
395 printk(KERN_INFO "SRAT: Node %d "
396 "[%Lx,%Lx) + [%Lx,%Lx) -> [%lx,%lx)\n",
397 memblk_nodeid[i],
398 node_memblk_range[i].start,
399 node_memblk_range[i].end,
400 node_memblk_range[j].start,
401 node_memblk_range[j].end,
402 start, end);
403 node_memblk_range[i].start = start;
404 node_memblk_range[i].end = end;
405 k = --num_node_memblks - j;
406 memmove(memblk_nodeid + j, memblk_nodeid + j+1,
407 k * sizeof(*memblk_nodeid));
408 memmove(node_memblk_range + j, node_memblk_range + j+1,
409 k * sizeof(*node_memblk_range));
410 --j;
411 }
412 }
413
366 memnode_shift = compute_hash_shift(node_memblk_range, num_node_memblks, 414 memnode_shift = compute_hash_shift(node_memblk_range, num_node_memblks,
367 memblk_nodeid); 415 memblk_nodeid);
368 if (memnode_shift < 0) { 416 if (memnode_shift < 0) {
@@ -461,7 +509,8 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes)
461 * node, it must now point to the fake node ID. 509 * node, it must now point to the fake node ID.
462 */ 510 */
463 for (j = 0; j < MAX_LOCAL_APIC; j++) 511 for (j = 0; j < MAX_LOCAL_APIC; j++)
464 if (apicid_to_node[j] == nid) 512 if (apicid_to_node[j] == nid &&
513 fake_apicid_to_node[j] == NUMA_NO_NODE)
465 fake_apicid_to_node[j] = i; 514 fake_apicid_to_node[j] = i;
466 } 515 }
467 for (i = 0; i < num_nodes; i++) 516 for (i = 0; i < num_nodes; i++)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 2c505ee71014..b28d2f1253bb 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -31,8 +31,9 @@ static struct op_x86_model_spec *model;
31static DEFINE_PER_CPU(struct op_msrs, cpu_msrs); 31static DEFINE_PER_CPU(struct op_msrs, cpu_msrs);
32static DEFINE_PER_CPU(unsigned long, saved_lvtpc); 32static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
33 33
34/* 0 == registered but off, 1 == registered and on */ 34/* must be protected with get_online_cpus()/put_online_cpus(): */
35static int nmi_enabled = 0; 35static int nmi_enabled;
36static int ctr_running;
36 37
37struct op_counter_config counter_config[OP_MAX_COUNTER]; 38struct op_counter_config counter_config[OP_MAX_COUNTER];
38 39
@@ -61,12 +62,16 @@ static int profile_exceptions_notify(struct notifier_block *self,
61{ 62{
62 struct die_args *args = (struct die_args *)data; 63 struct die_args *args = (struct die_args *)data;
63 int ret = NOTIFY_DONE; 64 int ret = NOTIFY_DONE;
64 int cpu = smp_processor_id();
65 65
66 switch (val) { 66 switch (val) {
67 case DIE_NMI: 67 case DIE_NMI:
68 case DIE_NMI_IPI: 68 case DIE_NMI_IPI:
69 model->check_ctrs(args->regs, &per_cpu(cpu_msrs, cpu)); 69 if (ctr_running)
70 model->check_ctrs(args->regs, &__get_cpu_var(cpu_msrs));
71 else if (!nmi_enabled)
72 break;
73 else
74 model->stop(&__get_cpu_var(cpu_msrs));
70 ret = NOTIFY_STOP; 75 ret = NOTIFY_STOP;
71 break; 76 break;
72 default: 77 default:
@@ -95,24 +100,36 @@ static void nmi_cpu_save_registers(struct op_msrs *msrs)
95static void nmi_cpu_start(void *dummy) 100static void nmi_cpu_start(void *dummy)
96{ 101{
97 struct op_msrs const *msrs = &__get_cpu_var(cpu_msrs); 102 struct op_msrs const *msrs = &__get_cpu_var(cpu_msrs);
98 model->start(msrs); 103 if (!msrs->controls)
104 WARN_ON_ONCE(1);
105 else
106 model->start(msrs);
99} 107}
100 108
101static int nmi_start(void) 109static int nmi_start(void)
102{ 110{
111 get_online_cpus();
103 on_each_cpu(nmi_cpu_start, NULL, 1); 112 on_each_cpu(nmi_cpu_start, NULL, 1);
113 ctr_running = 1;
114 put_online_cpus();
104 return 0; 115 return 0;
105} 116}
106 117
107static void nmi_cpu_stop(void *dummy) 118static void nmi_cpu_stop(void *dummy)
108{ 119{
109 struct op_msrs const *msrs = &__get_cpu_var(cpu_msrs); 120 struct op_msrs const *msrs = &__get_cpu_var(cpu_msrs);
110 model->stop(msrs); 121 if (!msrs->controls)
122 WARN_ON_ONCE(1);
123 else
124 model->stop(msrs);
111} 125}
112 126
113static void nmi_stop(void) 127static void nmi_stop(void)
114{ 128{
129 get_online_cpus();
115 on_each_cpu(nmi_cpu_stop, NULL, 1); 130 on_each_cpu(nmi_cpu_stop, NULL, 1);
131 ctr_running = 0;
132 put_online_cpus();
116} 133}
117 134
118#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX 135#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
@@ -252,7 +269,10 @@ static int nmi_switch_event(void)
252 if (nmi_multiplex_on() < 0) 269 if (nmi_multiplex_on() < 0)
253 return -EINVAL; /* not necessary */ 270 return -EINVAL; /* not necessary */
254 271
255 on_each_cpu(nmi_cpu_switch, NULL, 1); 272 get_online_cpus();
273 if (ctr_running)
274 on_each_cpu(nmi_cpu_switch, NULL, 1);
275 put_online_cpus();
256 276
257 return 0; 277 return 0;
258} 278}
@@ -295,6 +315,7 @@ static void free_msrs(void)
295 kfree(per_cpu(cpu_msrs, i).controls); 315 kfree(per_cpu(cpu_msrs, i).controls);
296 per_cpu(cpu_msrs, i).controls = NULL; 316 per_cpu(cpu_msrs, i).controls = NULL;
297 } 317 }
318 nmi_shutdown_mux();
298} 319}
299 320
300static int allocate_msrs(void) 321static int allocate_msrs(void)
@@ -307,14 +328,21 @@ static int allocate_msrs(void)
307 per_cpu(cpu_msrs, i).counters = kzalloc(counters_size, 328 per_cpu(cpu_msrs, i).counters = kzalloc(counters_size,
308 GFP_KERNEL); 329 GFP_KERNEL);
309 if (!per_cpu(cpu_msrs, i).counters) 330 if (!per_cpu(cpu_msrs, i).counters)
310 return 0; 331 goto fail;
311 per_cpu(cpu_msrs, i).controls = kzalloc(controls_size, 332 per_cpu(cpu_msrs, i).controls = kzalloc(controls_size,
312 GFP_KERNEL); 333 GFP_KERNEL);
313 if (!per_cpu(cpu_msrs, i).controls) 334 if (!per_cpu(cpu_msrs, i).controls)
314 return 0; 335 goto fail;
315 } 336 }
316 337
338 if (!nmi_setup_mux())
339 goto fail;
340
317 return 1; 341 return 1;
342
343fail:
344 free_msrs();
345 return 0;
318} 346}
319 347
320static void nmi_cpu_setup(void *dummy) 348static void nmi_cpu_setup(void *dummy)
@@ -336,49 +364,6 @@ static struct notifier_block profile_exceptions_nb = {
336 .priority = 2 364 .priority = 2
337}; 365};
338 366
339static int nmi_setup(void)
340{
341 int err = 0;
342 int cpu;
343
344 if (!allocate_msrs())
345 err = -ENOMEM;
346 else if (!nmi_setup_mux())
347 err = -ENOMEM;
348 else
349 err = register_die_notifier(&profile_exceptions_nb);
350
351 if (err) {
352 free_msrs();
353 nmi_shutdown_mux();
354 return err;
355 }
356
357 /* We need to serialize save and setup for HT because the subset
358 * of msrs are distinct for save and setup operations
359 */
360
361 /* Assume saved/restored counters are the same on all CPUs */
362 model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
363 for_each_possible_cpu(cpu) {
364 if (!cpu)
365 continue;
366
367 memcpy(per_cpu(cpu_msrs, cpu).counters,
368 per_cpu(cpu_msrs, 0).counters,
369 sizeof(struct op_msr) * model->num_counters);
370
371 memcpy(per_cpu(cpu_msrs, cpu).controls,
372 per_cpu(cpu_msrs, 0).controls,
373 sizeof(struct op_msr) * model->num_controls);
374
375 mux_clone(cpu);
376 }
377 on_each_cpu(nmi_cpu_setup, NULL, 1);
378 nmi_enabled = 1;
379 return 0;
380}
381
382static void nmi_cpu_restore_registers(struct op_msrs *msrs) 367static void nmi_cpu_restore_registers(struct op_msrs *msrs)
383{ 368{
384 struct op_msr *counters = msrs->counters; 369 struct op_msr *counters = msrs->counters;
@@ -412,20 +397,24 @@ static void nmi_cpu_shutdown(void *dummy)
412 apic_write(APIC_LVTPC, per_cpu(saved_lvtpc, cpu)); 397 apic_write(APIC_LVTPC, per_cpu(saved_lvtpc, cpu));
413 apic_write(APIC_LVTERR, v); 398 apic_write(APIC_LVTERR, v);
414 nmi_cpu_restore_registers(msrs); 399 nmi_cpu_restore_registers(msrs);
400 if (model->cpu_down)
401 model->cpu_down();
415} 402}
416 403
417static void nmi_shutdown(void) 404static void nmi_cpu_up(void *dummy)
418{ 405{
419 struct op_msrs *msrs; 406 if (nmi_enabled)
407 nmi_cpu_setup(dummy);
408 if (ctr_running)
409 nmi_cpu_start(dummy);
410}
420 411
421 nmi_enabled = 0; 412static void nmi_cpu_down(void *dummy)
422 on_each_cpu(nmi_cpu_shutdown, NULL, 1); 413{
423 unregister_die_notifier(&profile_exceptions_nb); 414 if (ctr_running)
424 nmi_shutdown_mux(); 415 nmi_cpu_stop(dummy);
425 msrs = &get_cpu_var(cpu_msrs); 416 if (nmi_enabled)
426 model->shutdown(msrs); 417 nmi_cpu_shutdown(dummy);
427 free_msrs();
428 put_cpu_var(cpu_msrs);
429} 418}
430 419
431static int nmi_create_files(struct super_block *sb, struct dentry *root) 420static int nmi_create_files(struct super_block *sb, struct dentry *root)
@@ -457,7 +446,6 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root)
457 return 0; 446 return 0;
458} 447}
459 448
460#ifdef CONFIG_SMP
461static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action, 449static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
462 void *data) 450 void *data)
463{ 451{
@@ -465,10 +453,10 @@ static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
465 switch (action) { 453 switch (action) {
466 case CPU_DOWN_FAILED: 454 case CPU_DOWN_FAILED:
467 case CPU_ONLINE: 455 case CPU_ONLINE:
468 smp_call_function_single(cpu, nmi_cpu_start, NULL, 0); 456 smp_call_function_single(cpu, nmi_cpu_up, NULL, 0);
469 break; 457 break;
470 case CPU_DOWN_PREPARE: 458 case CPU_DOWN_PREPARE:
471 smp_call_function_single(cpu, nmi_cpu_stop, NULL, 1); 459 smp_call_function_single(cpu, nmi_cpu_down, NULL, 1);
472 break; 460 break;
473 } 461 }
474 return NOTIFY_DONE; 462 return NOTIFY_DONE;
@@ -477,7 +465,75 @@ static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
477static struct notifier_block oprofile_cpu_nb = { 465static struct notifier_block oprofile_cpu_nb = {
478 .notifier_call = oprofile_cpu_notifier 466 .notifier_call = oprofile_cpu_notifier
479}; 467};
480#endif 468
469static int nmi_setup(void)
470{
471 int err = 0;
472 int cpu;
473
474 if (!allocate_msrs())
475 return -ENOMEM;
476
477 /* We need to serialize save and setup for HT because the subset
478 * of msrs are distinct for save and setup operations
479 */
480
481 /* Assume saved/restored counters are the same on all CPUs */
482 err = model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
483 if (err)
484 goto fail;
485
486 for_each_possible_cpu(cpu) {
487 if (!cpu)
488 continue;
489
490 memcpy(per_cpu(cpu_msrs, cpu).counters,
491 per_cpu(cpu_msrs, 0).counters,
492 sizeof(struct op_msr) * model->num_counters);
493
494 memcpy(per_cpu(cpu_msrs, cpu).controls,
495 per_cpu(cpu_msrs, 0).controls,
496 sizeof(struct op_msr) * model->num_controls);
497
498 mux_clone(cpu);
499 }
500
501 nmi_enabled = 0;
502 ctr_running = 0;
503 barrier();
504 err = register_die_notifier(&profile_exceptions_nb);
505 if (err)
506 goto fail;
507
508 get_online_cpus();
509 register_cpu_notifier(&oprofile_cpu_nb);
510 on_each_cpu(nmi_cpu_setup, NULL, 1);
511 nmi_enabled = 1;
512 put_online_cpus();
513
514 return 0;
515fail:
516 free_msrs();
517 return err;
518}
519
520static void nmi_shutdown(void)
521{
522 struct op_msrs *msrs;
523
524 get_online_cpus();
525 unregister_cpu_notifier(&oprofile_cpu_nb);
526 on_each_cpu(nmi_cpu_shutdown, NULL, 1);
527 nmi_enabled = 0;
528 ctr_running = 0;
529 put_online_cpus();
530 barrier();
531 unregister_die_notifier(&profile_exceptions_nb);
532 msrs = &get_cpu_var(cpu_msrs);
533 model->shutdown(msrs);
534 free_msrs();
535 put_cpu_var(cpu_msrs);
536}
481 537
482#ifdef CONFIG_PM 538#ifdef CONFIG_PM
483 539
@@ -687,9 +743,6 @@ int __init op_nmi_init(struct oprofile_operations *ops)
687 return -ENODEV; 743 return -ENODEV;
688 } 744 }
689 745
690#ifdef CONFIG_SMP
691 register_cpu_notifier(&oprofile_cpu_nb);
692#endif
693 /* default values, can be overwritten by model */ 746 /* default values, can be overwritten by model */
694 ops->create_files = nmi_create_files; 747 ops->create_files = nmi_create_files;
695 ops->setup = nmi_setup; 748 ops->setup = nmi_setup;
@@ -716,12 +769,6 @@ int __init op_nmi_init(struct oprofile_operations *ops)
716 769
717void op_nmi_exit(void) 770void op_nmi_exit(void)
718{ 771{
719 if (using_nmi) { 772 if (using_nmi)
720 exit_sysfs(); 773 exit_sysfs();
721#ifdef CONFIG_SMP
722 unregister_cpu_notifier(&oprofile_cpu_nb);
723#endif
724 }
725 if (model->exit)
726 model->exit();
727} 774}
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 090cbbec7dbd..b67a6b5aa8d4 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -30,13 +30,10 @@
30#include "op_counter.h" 30#include "op_counter.h"
31 31
32#define NUM_COUNTERS 4 32#define NUM_COUNTERS 4
33#define NUM_CONTROLS 4
34#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX 33#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
35#define NUM_VIRT_COUNTERS 32 34#define NUM_VIRT_COUNTERS 32
36#define NUM_VIRT_CONTROLS 32
37#else 35#else
38#define NUM_VIRT_COUNTERS NUM_COUNTERS 36#define NUM_VIRT_COUNTERS NUM_COUNTERS
39#define NUM_VIRT_CONTROLS NUM_CONTROLS
40#endif 37#endif
41 38
42#define OP_EVENT_MASK 0x0FFF 39#define OP_EVENT_MASK 0x0FFF
@@ -105,102 +102,6 @@ static u32 get_ibs_caps(void)
105 return ibs_caps; 102 return ibs_caps;
106} 103}
107 104
108#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
109
110static void op_mux_switch_ctrl(struct op_x86_model_spec const *model,
111 struct op_msrs const * const msrs)
112{
113 u64 val;
114 int i;
115
116 /* enable active counters */
117 for (i = 0; i < NUM_COUNTERS; ++i) {
118 int virt = op_x86_phys_to_virt(i);
119 if (!reset_value[virt])
120 continue;
121 rdmsrl(msrs->controls[i].addr, val);
122 val &= model->reserved;
123 val |= op_x86_get_ctrl(model, &counter_config[virt]);
124 wrmsrl(msrs->controls[i].addr, val);
125 }
126}
127
128#endif
129
130/* functions for op_amd_spec */
131
132static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
133{
134 int i;
135
136 for (i = 0; i < NUM_COUNTERS; i++) {
137 if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
138 msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
139 }
140
141 for (i = 0; i < NUM_CONTROLS; i++) {
142 if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
143 msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
144 }
145}
146
147static void op_amd_setup_ctrs(struct op_x86_model_spec const *model,
148 struct op_msrs const * const msrs)
149{
150 u64 val;
151 int i;
152
153 /* setup reset_value */
154 for (i = 0; i < NUM_VIRT_COUNTERS; ++i) {
155 if (counter_config[i].enabled
156 && msrs->counters[op_x86_virt_to_phys(i)].addr)
157 reset_value[i] = counter_config[i].count;
158 else
159 reset_value[i] = 0;
160 }
161
162 /* clear all counters */
163 for (i = 0; i < NUM_CONTROLS; ++i) {
164 if (unlikely(!msrs->controls[i].addr)) {
165 if (counter_config[i].enabled && !smp_processor_id())
166 /*
167 * counter is reserved, this is on all
168 * cpus, so report only for cpu #0
169 */
170 op_x86_warn_reserved(i);
171 continue;
172 }
173 rdmsrl(msrs->controls[i].addr, val);
174 if (val & ARCH_PERFMON_EVENTSEL_ENABLE)
175 op_x86_warn_in_use(i);
176 val &= model->reserved;
177 wrmsrl(msrs->controls[i].addr, val);
178 }
179
180 /* avoid a false detection of ctr overflows in NMI handler */
181 for (i = 0; i < NUM_COUNTERS; ++i) {
182 if (unlikely(!msrs->counters[i].addr))
183 continue;
184 wrmsrl(msrs->counters[i].addr, -1LL);
185 }
186
187 /* enable active counters */
188 for (i = 0; i < NUM_COUNTERS; ++i) {
189 int virt = op_x86_phys_to_virt(i);
190 if (!reset_value[virt])
191 continue;
192
193 /* setup counter registers */
194 wrmsrl(msrs->counters[i].addr, -(u64)reset_value[virt]);
195
196 /* setup control registers */
197 rdmsrl(msrs->controls[i].addr, val);
198 val &= model->reserved;
199 val |= op_x86_get_ctrl(model, &counter_config[virt]);
200 wrmsrl(msrs->controls[i].addr, val);
201 }
202}
203
204/* 105/*
205 * 16-bit Linear Feedback Shift Register (LFSR) 106 * 16-bit Linear Feedback Shift Register (LFSR)
206 * 107 *
@@ -365,6 +266,125 @@ static void op_amd_stop_ibs(void)
365 wrmsrl(MSR_AMD64_IBSOPCTL, 0); 266 wrmsrl(MSR_AMD64_IBSOPCTL, 0);
366} 267}
367 268
269#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
270
271static void op_mux_switch_ctrl(struct op_x86_model_spec const *model,
272 struct op_msrs const * const msrs)
273{
274 u64 val;
275 int i;
276
277 /* enable active counters */
278 for (i = 0; i < NUM_COUNTERS; ++i) {
279 int virt = op_x86_phys_to_virt(i);
280 if (!reset_value[virt])
281 continue;
282 rdmsrl(msrs->controls[i].addr, val);
283 val &= model->reserved;
284 val |= op_x86_get_ctrl(model, &counter_config[virt]);
285 wrmsrl(msrs->controls[i].addr, val);
286 }
287}
288
289#endif
290
291/* functions for op_amd_spec */
292
293static void op_amd_shutdown(struct op_msrs const * const msrs)
294{
295 int i;
296
297 for (i = 0; i < NUM_COUNTERS; ++i) {
298 if (!msrs->counters[i].addr)
299 continue;
300 release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
301 release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
302 }
303}
304
305static int op_amd_fill_in_addresses(struct op_msrs * const msrs)
306{
307 int i;
308
309 for (i = 0; i < NUM_COUNTERS; i++) {
310 if (!reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
311 goto fail;
312 if (!reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i)) {
313 release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
314 goto fail;
315 }
316 /* both registers must be reserved */
317 msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
318 msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
319 continue;
320 fail:
321 if (!counter_config[i].enabled)
322 continue;
323 op_x86_warn_reserved(i);
324 op_amd_shutdown(msrs);
325 return -EBUSY;
326 }
327
328 return 0;
329}
330
331static void op_amd_setup_ctrs(struct op_x86_model_spec const *model,
332 struct op_msrs const * const msrs)
333{
334 u64 val;
335 int i;
336
337 /* setup reset_value */
338 for (i = 0; i < NUM_VIRT_COUNTERS; ++i) {
339 if (counter_config[i].enabled
340 && msrs->counters[op_x86_virt_to_phys(i)].addr)
341 reset_value[i] = counter_config[i].count;
342 else
343 reset_value[i] = 0;
344 }
345
346 /* clear all counters */
347 for (i = 0; i < NUM_COUNTERS; ++i) {
348 if (!msrs->controls[i].addr)
349 continue;
350 rdmsrl(msrs->controls[i].addr, val);
351 if (val & ARCH_PERFMON_EVENTSEL_ENABLE)
352 op_x86_warn_in_use(i);
353 val &= model->reserved;
354 wrmsrl(msrs->controls[i].addr, val);
355 /*
356 * avoid a false detection of ctr overflows in NMI
357 * handler
358 */
359 wrmsrl(msrs->counters[i].addr, -1LL);
360 }
361
362 /* enable active counters */
363 for (i = 0; i < NUM_COUNTERS; ++i) {
364 int virt = op_x86_phys_to_virt(i);
365 if (!reset_value[virt])
366 continue;
367
368 /* setup counter registers */
369 wrmsrl(msrs->counters[i].addr, -(u64)reset_value[virt]);
370
371 /* setup control registers */
372 rdmsrl(msrs->controls[i].addr, val);
373 val &= model->reserved;
374 val |= op_x86_get_ctrl(model, &counter_config[virt]);
375 wrmsrl(msrs->controls[i].addr, val);
376 }
377
378 if (ibs_caps)
379 setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0);
380}
381
382static void op_amd_cpu_shutdown(void)
383{
384 if (ibs_caps)
385 setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1);
386}
387
368static int op_amd_check_ctrs(struct pt_regs * const regs, 388static int op_amd_check_ctrs(struct pt_regs * const regs,
369 struct op_msrs const * const msrs) 389 struct op_msrs const * const msrs)
370{ 390{
@@ -425,42 +445,16 @@ static void op_amd_stop(struct op_msrs const * const msrs)
425 op_amd_stop_ibs(); 445 op_amd_stop_ibs();
426} 446}
427 447
428static void op_amd_shutdown(struct op_msrs const * const msrs) 448static int __init_ibs_nmi(void)
429{
430 int i;
431
432 for (i = 0; i < NUM_COUNTERS; ++i) {
433 if (msrs->counters[i].addr)
434 release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
435 }
436 for (i = 0; i < NUM_CONTROLS; ++i) {
437 if (msrs->controls[i].addr)
438 release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
439 }
440}
441
442static u8 ibs_eilvt_off;
443
444static inline void apic_init_ibs_nmi_per_cpu(void *arg)
445{
446 ibs_eilvt_off = setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0);
447}
448
449static inline void apic_clear_ibs_nmi_per_cpu(void *arg)
450{
451 setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1);
452}
453
454static int init_ibs_nmi(void)
455{ 449{
456#define IBSCTL_LVTOFFSETVAL (1 << 8) 450#define IBSCTL_LVTOFFSETVAL (1 << 8)
457#define IBSCTL 0x1cc 451#define IBSCTL 0x1cc
458 struct pci_dev *cpu_cfg; 452 struct pci_dev *cpu_cfg;
459 int nodes; 453 int nodes;
460 u32 value = 0; 454 u32 value = 0;
455 u8 ibs_eilvt_off;
461 456
462 /* per CPU setup */ 457 ibs_eilvt_off = setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1);
463 on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 1);
464 458
465 nodes = 0; 459 nodes = 0;
466 cpu_cfg = NULL; 460 cpu_cfg = NULL;
@@ -490,22 +484,15 @@ static int init_ibs_nmi(void)
490 return 0; 484 return 0;
491} 485}
492 486
493/* uninitialize the APIC for the IBS interrupts if needed */
494static void clear_ibs_nmi(void)
495{
496 if (ibs_caps)
497 on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1);
498}
499
500/* initialize the APIC for the IBS interrupts if available */ 487/* initialize the APIC for the IBS interrupts if available */
501static void ibs_init(void) 488static void init_ibs(void)
502{ 489{
503 ibs_caps = get_ibs_caps(); 490 ibs_caps = get_ibs_caps();
504 491
505 if (!ibs_caps) 492 if (!ibs_caps)
506 return; 493 return;
507 494
508 if (init_ibs_nmi()) { 495 if (__init_ibs_nmi()) {
509 ibs_caps = 0; 496 ibs_caps = 0;
510 return; 497 return;
511 } 498 }
@@ -514,14 +501,6 @@ static void ibs_init(void)
514 (unsigned)ibs_caps); 501 (unsigned)ibs_caps);
515} 502}
516 503
517static void ibs_exit(void)
518{
519 if (!ibs_caps)
520 return;
521
522 clear_ibs_nmi();
523}
524
525static int (*create_arch_files)(struct super_block *sb, struct dentry *root); 504static int (*create_arch_files)(struct super_block *sb, struct dentry *root);
526 505
527static int setup_ibs_files(struct super_block *sb, struct dentry *root) 506static int setup_ibs_files(struct super_block *sb, struct dentry *root)
@@ -570,27 +549,22 @@ static int setup_ibs_files(struct super_block *sb, struct dentry *root)
570 549
571static int op_amd_init(struct oprofile_operations *ops) 550static int op_amd_init(struct oprofile_operations *ops)
572{ 551{
573 ibs_init(); 552 init_ibs();
574 create_arch_files = ops->create_files; 553 create_arch_files = ops->create_files;
575 ops->create_files = setup_ibs_files; 554 ops->create_files = setup_ibs_files;
576 return 0; 555 return 0;
577} 556}
578 557
579static void op_amd_exit(void)
580{
581 ibs_exit();
582}
583
584struct op_x86_model_spec op_amd_spec = { 558struct op_x86_model_spec op_amd_spec = {
585 .num_counters = NUM_COUNTERS, 559 .num_counters = NUM_COUNTERS,
586 .num_controls = NUM_CONTROLS, 560 .num_controls = NUM_COUNTERS,
587 .num_virt_counters = NUM_VIRT_COUNTERS, 561 .num_virt_counters = NUM_VIRT_COUNTERS,
588 .reserved = MSR_AMD_EVENTSEL_RESERVED, 562 .reserved = MSR_AMD_EVENTSEL_RESERVED,
589 .event_mask = OP_EVENT_MASK, 563 .event_mask = OP_EVENT_MASK,
590 .init = op_amd_init, 564 .init = op_amd_init,
591 .exit = op_amd_exit,
592 .fill_in_addresses = &op_amd_fill_in_addresses, 565 .fill_in_addresses = &op_amd_fill_in_addresses,
593 .setup_ctrs = &op_amd_setup_ctrs, 566 .setup_ctrs = &op_amd_setup_ctrs,
567 .cpu_down = &op_amd_cpu_shutdown,
594 .check_ctrs = &op_amd_check_ctrs, 568 .check_ctrs = &op_amd_check_ctrs,
595 .start = &op_amd_start, 569 .start = &op_amd_start,
596 .stop = &op_amd_stop, 570 .stop = &op_amd_stop,
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index e6a160a4684a..182558dd5515 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -385,8 +385,26 @@ static unsigned int get_stagger(void)
385 385
386static unsigned long reset_value[NUM_COUNTERS_NON_HT]; 386static unsigned long reset_value[NUM_COUNTERS_NON_HT];
387 387
388static void p4_shutdown(struct op_msrs const * const msrs)
389{
390 int i;
388 391
389static void p4_fill_in_addresses(struct op_msrs * const msrs) 392 for (i = 0; i < num_counters; ++i) {
393 if (msrs->counters[i].addr)
394 release_perfctr_nmi(msrs->counters[i].addr);
395 }
396 /*
397 * some of the control registers are specially reserved in
398 * conjunction with the counter registers (hence the starting offset).
399 * This saves a few bits.
400 */
401 for (i = num_counters; i < num_controls; ++i) {
402 if (msrs->controls[i].addr)
403 release_evntsel_nmi(msrs->controls[i].addr);
404 }
405}
406
407static int p4_fill_in_addresses(struct op_msrs * const msrs)
390{ 408{
391 unsigned int i; 409 unsigned int i;
392 unsigned int addr, cccraddr, stag; 410 unsigned int addr, cccraddr, stag;
@@ -468,6 +486,18 @@ static void p4_fill_in_addresses(struct op_msrs * const msrs)
468 msrs->controls[i++].addr = MSR_P4_CRU_ESCR5; 486 msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
469 } 487 }
470 } 488 }
489
490 for (i = 0; i < num_counters; ++i) {
491 if (!counter_config[i].enabled)
492 continue;
493 if (msrs->controls[i].addr)
494 continue;
495 op_x86_warn_reserved(i);
496 p4_shutdown(msrs);
497 return -EBUSY;
498 }
499
500 return 0;
471} 501}
472 502
473 503
@@ -668,26 +698,6 @@ static void p4_stop(struct op_msrs const * const msrs)
668 } 698 }
669} 699}
670 700
671static void p4_shutdown(struct op_msrs const * const msrs)
672{
673 int i;
674
675 for (i = 0; i < num_counters; ++i) {
676 if (msrs->counters[i].addr)
677 release_perfctr_nmi(msrs->counters[i].addr);
678 }
679 /*
680 * some of the control registers are specially reserved in
681 * conjunction with the counter registers (hence the starting offset).
682 * This saves a few bits.
683 */
684 for (i = num_counters; i < num_controls; ++i) {
685 if (msrs->controls[i].addr)
686 release_evntsel_nmi(msrs->controls[i].addr);
687 }
688}
689
690
691#ifdef CONFIG_SMP 701#ifdef CONFIG_SMP
692struct op_x86_model_spec op_p4_ht2_spec = { 702struct op_x86_model_spec op_p4_ht2_spec = {
693 .num_counters = NUM_COUNTERS_HT2, 703 .num_counters = NUM_COUNTERS_HT2,
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index c8abc4d1bf35..d769cda54082 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -30,19 +30,46 @@ static int counter_width = 32;
30 30
31static u64 *reset_value; 31static u64 *reset_value;
32 32
33static void ppro_fill_in_addresses(struct op_msrs * const msrs) 33static void ppro_shutdown(struct op_msrs const * const msrs)
34{ 34{
35 int i; 35 int i;
36 36
37 for (i = 0; i < num_counters; i++) { 37 for (i = 0; i < num_counters; ++i) {
38 if (reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i)) 38 if (!msrs->counters[i].addr)
39 msrs->counters[i].addr = MSR_P6_PERFCTR0 + i; 39 continue;
40 release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
41 release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
42 }
43 if (reset_value) {
44 kfree(reset_value);
45 reset_value = NULL;
40 } 46 }
47}
48
49static int ppro_fill_in_addresses(struct op_msrs * const msrs)
50{
51 int i;
41 52
42 for (i = 0; i < num_counters; i++) { 53 for (i = 0; i < num_counters; i++) {
43 if (reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i)) 54 if (!reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))
44 msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i; 55 goto fail;
56 if (!reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i)) {
57 release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
58 goto fail;
59 }
60 /* both registers must be reserved */
61 msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;
62 msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;
63 continue;
64 fail:
65 if (!counter_config[i].enabled)
66 continue;
67 op_x86_warn_reserved(i);
68 ppro_shutdown(msrs);
69 return -EBUSY;
45 } 70 }
71
72 return 0;
46} 73}
47 74
48 75
@@ -78,26 +105,17 @@ static void ppro_setup_ctrs(struct op_x86_model_spec const *model,
78 105
79 /* clear all counters */ 106 /* clear all counters */
80 for (i = 0; i < num_counters; ++i) { 107 for (i = 0; i < num_counters; ++i) {
81 if (unlikely(!msrs->controls[i].addr)) { 108 if (!msrs->controls[i].addr)
82 if (counter_config[i].enabled && !smp_processor_id())
83 /*
84 * counter is reserved, this is on all
85 * cpus, so report only for cpu #0
86 */
87 op_x86_warn_reserved(i);
88 continue; 109 continue;
89 }
90 rdmsrl(msrs->controls[i].addr, val); 110 rdmsrl(msrs->controls[i].addr, val);
91 if (val & ARCH_PERFMON_EVENTSEL_ENABLE) 111 if (val & ARCH_PERFMON_EVENTSEL_ENABLE)
92 op_x86_warn_in_use(i); 112 op_x86_warn_in_use(i);
93 val &= model->reserved; 113 val &= model->reserved;
94 wrmsrl(msrs->controls[i].addr, val); 114 wrmsrl(msrs->controls[i].addr, val);
95 } 115 /*
96 116 * avoid a false detection of ctr overflows in NMI *
97 /* avoid a false detection of ctr overflows in NMI handler */ 117 * handler
98 for (i = 0; i < num_counters; ++i) { 118 */
99 if (unlikely(!msrs->counters[i].addr))
100 continue;
101 wrmsrl(msrs->counters[i].addr, -1LL); 119 wrmsrl(msrs->counters[i].addr, -1LL);
102 } 120 }
103 121
@@ -189,25 +207,6 @@ static void ppro_stop(struct op_msrs const * const msrs)
189 } 207 }
190} 208}
191 209
192static void ppro_shutdown(struct op_msrs const * const msrs)
193{
194 int i;
195
196 for (i = 0; i < num_counters; ++i) {
197 if (msrs->counters[i].addr)
198 release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
199 }
200 for (i = 0; i < num_counters; ++i) {
201 if (msrs->controls[i].addr)
202 release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
203 }
204 if (reset_value) {
205 kfree(reset_value);
206 reset_value = NULL;
207 }
208}
209
210
211struct op_x86_model_spec op_ppro_spec = { 210struct op_x86_model_spec op_ppro_spec = {
212 .num_counters = 2, 211 .num_counters = 2,
213 .num_controls = 2, 212 .num_controls = 2,
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index ff82a755edd4..89017fa1fd63 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -40,10 +40,10 @@ struct op_x86_model_spec {
40 u64 reserved; 40 u64 reserved;
41 u16 event_mask; 41 u16 event_mask;
42 int (*init)(struct oprofile_operations *ops); 42 int (*init)(struct oprofile_operations *ops);
43 void (*exit)(void); 43 int (*fill_in_addresses)(struct op_msrs * const msrs);
44 void (*fill_in_addresses)(struct op_msrs * const msrs);
45 void (*setup_ctrs)(struct op_x86_model_spec const *model, 44 void (*setup_ctrs)(struct op_x86_model_spec const *model,
46 struct op_msrs const * const msrs); 45 struct op_msrs const * const msrs);
46 void (*cpu_down)(void);
47 int (*check_ctrs)(struct pt_regs * const regs, 47 int (*check_ctrs)(struct pt_regs * const regs,
48 struct op_msrs const * const msrs); 48 struct op_msrs const * const msrs);
49 void (*start)(struct op_msrs const * const msrs); 49 void (*start)(struct op_msrs const * const msrs);
diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
index 8bf2fcb88d04..7ef3a2735df3 100644
--- a/arch/x86/pci/mrst.c
+++ b/arch/x86/pci/mrst.c
@@ -109,7 +109,7 @@ static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn,
109 decode++; 109 decode++;
110 decode = ~(decode - 1); 110 decode = ~(decode - 1);
111 } else { 111 } else {
112 decode = ~0; 112 decode = 0;
113 } 113 }
114 114
115 /* 115 /*
@@ -247,6 +247,10 @@ static void __devinit pci_fixed_bar_fixup(struct pci_dev *dev)
247 u32 size; 247 u32 size;
248 int i; 248 int i;
249 249
250 /* Must have extended configuration space */
251 if (dev->cfg_size < PCIE_CAP_OFFSET + 4)
252 return;
253
250 /* Fixup the BAR sizes for fixed BAR devices and make them unmoveable */ 254 /* Fixup the BAR sizes for fixed BAR devices and make them unmoveable */
251 offset = fixed_bar_cap(dev->bus, dev->devfn); 255 offset = fixed_bar_cap(dev->bus, dev->devfn);
252 if (!offset || PCI_DEVFN(2, 0) == dev->devfn || 256 if (!offset || PCI_DEVFN(2, 0) == dev->devfn ||
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 22d6dde42619..a96a0619d0b7 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -46,7 +46,7 @@
46 * 46 *
47 * Atomically reads the value of @v. 47 * Atomically reads the value of @v.
48 */ 48 */
49#define atomic_read(v) ((v)->counter) 49#define atomic_read(v) (*(volatile int *)&(v)->counter)
50 50
51/** 51/**
52 * atomic_set - set atomic variable 52 * atomic_set - set atomic variable
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 20:24:16 -0500