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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 18:28:59 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 18:28:59 -0400
commit067e18133f01ee0136bcec2633eb93f7320721a2 (patch)
treeeb948a629b8b5c59a0fd15e7659e6252349738f2 /arch/x86
parent3f5760b90eb3bacfaa4d4c3e584152468ed327ca (diff)
parentdc731fbbadf5d65c98fcd6c86472aa286c16458a (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Work around compilation warning in arch/x86/kernel/apm_32.c x86, UV: Complete IRQ interrupt migration in arch_enable_uv_irq() x86, 32-bit: Fix double accounting in reserve_top_address() x86: Don't use current_cpu_data in x2apic phys_pkg_id x86, UV: Fix UV apic mode x86, UV: Fix macros for accessing large node numbers x86, UV: Delete mapping of MMR rangs mapped by BIOS x86, UV: Handle missing blade-local memory correctly x86: fix assembly constraints in native_save_fl() x86, msr: execute on the correct CPU subset x86: Fix assert syntax in vmlinux.lds.S x86: Make 64-bit efi_ioremap use ioremap on MMIO regions x86: Add quirk to make Apple MacBook5,2 use reboot=pci x86: Fix CPA memtype reserving in the set_pages_array*() cases x86, pat: Fix set_memory_wc related corruption x86: fix section mismatch for i386 init code
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/efi.h5
-rw-r--r--arch/x86/include/asm/irqflags.h8
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h9
-rw-r--r--arch/x86/kernel/apic/io_apic.c3
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c2
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c2
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c38
-rw-r--r--arch/x86/kernel/apm_32.c2
-rw-r--r--arch/x86/kernel/efi.c2
-rw-r--r--arch/x86/kernel/efi_64.c6
-rw-r--r--arch/x86/kernel/head_32.S6
-rw-r--r--arch/x86/kernel/reboot.c34
-rw-r--r--arch/x86/kernel/vmlinux.lds.S16
-rw-r--r--arch/x86/lib/msr.c26
-rw-r--r--arch/x86/mm/pageattr.c39
-rw-r--r--arch/x86/mm/pgtable.c1
16 files changed, 120 insertions, 79 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index edc90f23e708..8406ed7f9926 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -33,7 +33,7 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
33#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \ 33#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
34 efi_call_virt(f, a1, a2, a3, a4, a5, a6) 34 efi_call_virt(f, a1, a2, a3, a4, a5, a6)
35 35
36#define efi_ioremap(addr, size) ioremap_cache(addr, size) 36#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
37 37
38#else /* !CONFIG_X86_32 */ 38#else /* !CONFIG_X86_32 */
39 39
@@ -84,7 +84,8 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
84 efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \ 84 efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
85 (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6)) 85 (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
86 86
87extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size); 87extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
88 u32 type);
88 89
89#endif /* CONFIG_X86_32 */ 90#endif /* CONFIG_X86_32 */
90 91
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 2bdab21f0898..c6ccbe7e81ad 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -12,9 +12,15 @@ static inline unsigned long native_save_fl(void)
12{ 12{
13 unsigned long flags; 13 unsigned long flags;
14 14
15 /*
16 * Note: this needs to be "=r" not "=rm", because we have the
17 * stack offset from what gcc expects at the time the "pop" is
18 * executed, and so a memory reference with respect to the stack
19 * would end up using the wrong address.
20 */
15 asm volatile("# __raw_save_flags\n\t" 21 asm volatile("# __raw_save_flags\n\t"
16 "pushf ; pop %0" 22 "pushf ; pop %0"
17 : "=g" (flags) 23 : "=r" (flags)
18 : /* no input */ 24 : /* no input */
19 : "memory"); 25 : "memory");
20 26
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 341070f7ad5c..77a68505419a 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -175,7 +175,7 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
175#define UV_GLOBAL_MMR32_PNODE_BITS(p) ((p) << (UV_GLOBAL_MMR32_PNODE_SHIFT)) 175#define UV_GLOBAL_MMR32_PNODE_BITS(p) ((p) << (UV_GLOBAL_MMR32_PNODE_SHIFT))
176 176
177#define UV_GLOBAL_MMR64_PNODE_BITS(p) \ 177#define UV_GLOBAL_MMR64_PNODE_BITS(p) \
178 ((unsigned long)(UV_PNODE_TO_GNODE(p)) << UV_GLOBAL_MMR64_PNODE_SHIFT) 178 (((unsigned long)(p)) << UV_GLOBAL_MMR64_PNODE_SHIFT)
179 179
180#define UV_APIC_PNODE_SHIFT 6 180#define UV_APIC_PNODE_SHIFT 6
181 181
@@ -327,6 +327,7 @@ struct uv_blade_info {
327 unsigned short nr_possible_cpus; 327 unsigned short nr_possible_cpus;
328 unsigned short nr_online_cpus; 328 unsigned short nr_online_cpus;
329 unsigned short pnode; 329 unsigned short pnode;
330 short memory_nid;
330}; 331};
331extern struct uv_blade_info *uv_blade_info; 332extern struct uv_blade_info *uv_blade_info;
332extern short *uv_node_to_blade; 333extern short *uv_node_to_blade;
@@ -363,6 +364,12 @@ static inline int uv_blade_to_pnode(int bid)
363 return uv_blade_info[bid].pnode; 364 return uv_blade_info[bid].pnode;
364} 365}
365 366
367/* Nid of memory node on blade. -1 if no blade-local memory */
368static inline int uv_blade_to_memory_nid(int bid)
369{
370 return uv_blade_info[bid].memory_nid;
371}
372
366/* Determine the number of possible cpus on a blade */ 373/* Determine the number of possible cpus on a blade */
367static inline int uv_blade_nr_possible_cpus(int bid) 374static inline int uv_blade_nr_possible_cpus(int bid)
368{ 375{
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 2284a4812b68..d2ed6c5ddc80 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3793,6 +3793,9 @@ int arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade,
3793 mmr_pnode = uv_blade_to_pnode(mmr_blade); 3793 mmr_pnode = uv_blade_to_pnode(mmr_blade);
3794 uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value); 3794 uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value);
3795 3795
3796 if (cfg->move_in_progress)
3797 send_cleanup_vector(cfg);
3798
3796 return irq; 3799 return irq;
3797} 3800}
3798 3801
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index 8e4cbb255c38..2ed4e2bb3b32 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -170,7 +170,7 @@ static unsigned long set_apic_id(unsigned int id)
170 170
171static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb) 171static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb)
172{ 172{
173 return current_cpu_data.initial_apicid >> index_msb; 173 return initial_apicid >> index_msb;
174} 174}
175 175
176static void x2apic_send_IPI_self(int vector) 176static void x2apic_send_IPI_self(int vector)
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index a284359627e7..0b631c6a2e00 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -162,7 +162,7 @@ static unsigned long set_apic_id(unsigned int id)
162 162
163static int x2apic_phys_pkg_id(int initial_apicid, int index_msb) 163static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
164{ 164{
165 return current_cpu_data.initial_apicid >> index_msb; 165 return initial_apicid >> index_msb;
166} 166}
167 167
168static void x2apic_send_IPI_self(int vector) 168static void x2apic_send_IPI_self(int vector)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 096d19aea2f7..832e908adcb5 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -261,7 +261,7 @@ struct apic apic_x2apic_uv_x = {
261 .apic_id_registered = uv_apic_id_registered, 261 .apic_id_registered = uv_apic_id_registered,
262 262
263 .irq_delivery_mode = dest_Fixed, 263 .irq_delivery_mode = dest_Fixed,
264 .irq_dest_mode = 1, /* logical */ 264 .irq_dest_mode = 0, /* physical */
265 265
266 .target_cpus = uv_target_cpus, 266 .target_cpus = uv_target_cpus,
267 .disable_esr = 0, 267 .disable_esr = 0,
@@ -362,12 +362,6 @@ static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size)
362 BUG(); 362 BUG();
363} 363}
364 364
365static __init void map_low_mmrs(void)
366{
367 init_extra_mapping_uc(UV_GLOBAL_MMR32_BASE, UV_GLOBAL_MMR32_SIZE);
368 init_extra_mapping_uc(UV_LOCAL_MMR_BASE, UV_LOCAL_MMR_SIZE);
369}
370
371enum map_type {map_wb, map_uc}; 365enum map_type {map_wb, map_uc};
372 366
373static __init void map_high(char *id, unsigned long base, int shift, 367static __init void map_high(char *id, unsigned long base, int shift,
@@ -395,26 +389,6 @@ static __init void map_gru_high(int max_pnode)
395 map_high("GRU", gru.s.base, shift, max_pnode, map_wb); 389 map_high("GRU", gru.s.base, shift, max_pnode, map_wb);
396} 390}
397 391
398static __init void map_config_high(int max_pnode)
399{
400 union uvh_rh_gam_cfg_overlay_config_mmr_u cfg;
401 int shift = UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_BASE_SHFT;
402
403 cfg.v = uv_read_local_mmr(UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR);
404 if (cfg.s.enable)
405 map_high("CONFIG", cfg.s.base, shift, max_pnode, map_uc);
406}
407
408static __init void map_mmr_high(int max_pnode)
409{
410 union uvh_rh_gam_mmr_overlay_config_mmr_u mmr;
411 int shift = UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_BASE_SHFT;
412
413 mmr.v = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR);
414 if (mmr.s.enable)
415 map_high("MMR", mmr.s.base, shift, max_pnode, map_uc);
416}
417
418static __init void map_mmioh_high(int max_pnode) 392static __init void map_mmioh_high(int max_pnode)
419{ 393{
420 union uvh_rh_gam_mmioh_overlay_config_mmr_u mmioh; 394 union uvh_rh_gam_mmioh_overlay_config_mmr_u mmioh;
@@ -566,8 +540,6 @@ void __init uv_system_init(void)
566 unsigned long mmr_base, present, paddr; 540 unsigned long mmr_base, present, paddr;
567 unsigned short pnode_mask; 541 unsigned short pnode_mask;
568 542
569 map_low_mmrs();
570
571 m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG); 543 m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG);
572 m_val = m_n_config.s.m_skt; 544 m_val = m_n_config.s.m_skt;
573 n_val = m_n_config.s.n_skt; 545 n_val = m_n_config.s.n_skt;
@@ -591,6 +563,8 @@ void __init uv_system_init(void)
591 bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades(); 563 bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades();
592 uv_blade_info = kmalloc(bytes, GFP_KERNEL); 564 uv_blade_info = kmalloc(bytes, GFP_KERNEL);
593 BUG_ON(!uv_blade_info); 565 BUG_ON(!uv_blade_info);
566 for (blade = 0; blade < uv_num_possible_blades(); blade++)
567 uv_blade_info[blade].memory_nid = -1;
594 568
595 get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size); 569 get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
596 570
@@ -629,6 +603,9 @@ void __init uv_system_init(void)
629 lcpu = uv_blade_info[blade].nr_possible_cpus; 603 lcpu = uv_blade_info[blade].nr_possible_cpus;
630 uv_blade_info[blade].nr_possible_cpus++; 604 uv_blade_info[blade].nr_possible_cpus++;
631 605
606 /* Any node on the blade, else will contain -1. */
607 uv_blade_info[blade].memory_nid = nid;
608
632 uv_cpu_hub_info(cpu)->lowmem_remap_base = lowmem_redir_base; 609 uv_cpu_hub_info(cpu)->lowmem_remap_base = lowmem_redir_base;
633 uv_cpu_hub_info(cpu)->lowmem_remap_top = lowmem_redir_size; 610 uv_cpu_hub_info(cpu)->lowmem_remap_top = lowmem_redir_size;
634 uv_cpu_hub_info(cpu)->m_val = m_val; 611 uv_cpu_hub_info(cpu)->m_val = m_val;
@@ -662,11 +639,10 @@ void __init uv_system_init(void)
662 pnode = (paddr >> m_val) & pnode_mask; 639 pnode = (paddr >> m_val) & pnode_mask;
663 blade = boot_pnode_to_blade(pnode); 640 blade = boot_pnode_to_blade(pnode);
664 uv_node_to_blade[nid] = blade; 641 uv_node_to_blade[nid] = blade;
642 max_pnode = max(pnode, max_pnode);
665 } 643 }
666 644
667 map_gru_high(max_pnode); 645 map_gru_high(max_pnode);
668 map_mmr_high(max_pnode);
669 map_config_high(max_pnode);
670 map_mmioh_high(max_pnode); 646 map_mmioh_high(max_pnode);
671 647
672 uv_cpu_init(); 648 uv_cpu_init();
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 79302e9a33a4..442b5508893f 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -811,7 +811,7 @@ static int apm_do_idle(void)
811 u8 ret = 0; 811 u8 ret = 0;
812 int idled = 0; 812 int idled = 0;
813 int polling; 813 int polling;
814 int err; 814 int err = 0;
815 815
816 polling = !!(current_thread_info()->status & TS_POLLING); 816 polling = !!(current_thread_info()->status & TS_POLLING);
817 if (polling) { 817 if (polling) {
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 96f7ac0bbf01..19ccf6d0dccf 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -512,7 +512,7 @@ void __init efi_enter_virtual_mode(void)
512 && end_pfn <= max_pfn_mapped)) 512 && end_pfn <= max_pfn_mapped))
513 va = __va(md->phys_addr); 513 va = __va(md->phys_addr);
514 else 514 else
515 va = efi_ioremap(md->phys_addr, size); 515 va = efi_ioremap(md->phys_addr, size, md->type);
516 516
517 md->virt_addr = (u64) (unsigned long) va; 517 md->virt_addr = (u64) (unsigned long) va;
518 518
diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
index 22c3b7828c50..ac0621a7ac3d 100644
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -98,10 +98,14 @@ void __init efi_call_phys_epilog(void)
98 early_runtime_code_mapping_set_exec(0); 98 early_runtime_code_mapping_set_exec(0);
99} 99}
100 100
101void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size) 101void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
102 u32 type)
102{ 103{
103 unsigned long last_map_pfn; 104 unsigned long last_map_pfn;
104 105
106 if (type == EFI_MEMORY_MAPPED_IO)
107 return ioremap(phys_addr, size);
108
105 last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size); 109 last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size);
106 if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) 110 if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size)
107 return NULL; 111 return NULL;
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 8663afb56535..0d98a01cbdb2 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -602,7 +602,11 @@ ignore_int:
602#endif 602#endif
603 iret 603 iret
604 604
605.section .cpuinit.data,"wa" 605#ifndef CONFIG_HOTPLUG_CPU
606 __CPUINITDATA
607#else
608 __REFDATA
609#endif
606.align 4 610.align 4
607ENTRY(initial_code) 611ENTRY(initial_code)
608 .long i386_start_kernel 612 .long i386_start_kernel
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 508e982dd072..834c9da8bf9d 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -3,6 +3,7 @@
3#include <linux/init.h> 3#include <linux/init.h>
4#include <linux/pm.h> 4#include <linux/pm.h>
5#include <linux/efi.h> 5#include <linux/efi.h>
6#include <linux/dmi.h>
6#include <acpi/reboot.h> 7#include <acpi/reboot.h>
7#include <asm/io.h> 8#include <asm/io.h>
8#include <asm/apic.h> 9#include <asm/apic.h>
@@ -17,7 +18,6 @@
17#include <asm/cpu.h> 18#include <asm/cpu.h>
18 19
19#ifdef CONFIG_X86_32 20#ifdef CONFIG_X86_32
20# include <linux/dmi.h>
21# include <linux/ctype.h> 21# include <linux/ctype.h>
22# include <linux/mc146818rtc.h> 22# include <linux/mc146818rtc.h>
23#else 23#else
@@ -404,6 +404,38 @@ EXPORT_SYMBOL(machine_real_restart);
404 404
405#endif /* CONFIG_X86_32 */ 405#endif /* CONFIG_X86_32 */
406 406
407/*
408 * Apple MacBook5,2 (2009 MacBook) needs reboot=p
409 */
410static int __init set_pci_reboot(const struct dmi_system_id *d)
411{
412 if (reboot_type != BOOT_CF9) {
413 reboot_type = BOOT_CF9;
414 printk(KERN_INFO "%s series board detected. "
415 "Selecting PCI-method for reboots.\n", d->ident);
416 }
417 return 0;
418}
419
420static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
421 { /* Handle problems with rebooting on Apple MacBook5,2 */
422 .callback = set_pci_reboot,
423 .ident = "Apple MacBook",
424 .matches = {
425 DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
426 DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5,2"),
427 },
428 },
429 { }
430};
431
432static int __init pci_reboot_init(void)
433{
434 dmi_check_system(pci_reboot_dmi_table);
435 return 0;
436}
437core_initcall(pci_reboot_init);
438
407static inline void kb_wait(void) 439static inline void kb_wait(void)
408{ 440{
409 int i; 441 int i;
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 59f31d2dd435..78d185d797de 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -393,8 +393,8 @@ SECTIONS
393 393
394 394
395#ifdef CONFIG_X86_32 395#ifdef CONFIG_X86_32
396ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE_SIZE), 396. = ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE_SIZE),
397 "kernel image bigger than KERNEL_IMAGE_SIZE") 397 "kernel image bigger than KERNEL_IMAGE_SIZE");
398#else 398#else
399/* 399/*
400 * Per-cpu symbols which need to be offset from __per_cpu_load 400 * Per-cpu symbols which need to be offset from __per_cpu_load
@@ -407,12 +407,12 @@ INIT_PER_CPU(irq_stack_union);
407/* 407/*
408 * Build-time check on the image size: 408 * Build-time check on the image size:
409 */ 409 */
410ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), 410. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE),
411 "kernel image bigger than KERNEL_IMAGE_SIZE") 411 "kernel image bigger than KERNEL_IMAGE_SIZE");
412 412
413#ifdef CONFIG_SMP 413#ifdef CONFIG_SMP
414ASSERT((per_cpu__irq_stack_union == 0), 414. = ASSERT((per_cpu__irq_stack_union == 0),
415 "irq_stack_union is not at start of per-cpu area"); 415 "irq_stack_union is not at start of per-cpu area");
416#endif 416#endif
417 417
418#endif /* CONFIG_X86_32 */ 418#endif /* CONFIG_X86_32 */
@@ -420,7 +420,7 @@ ASSERT((per_cpu__irq_stack_union == 0),
420#ifdef CONFIG_KEXEC 420#ifdef CONFIG_KEXEC
421#include <asm/kexec.h> 421#include <asm/kexec.h>
422 422
423ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE, 423. = ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE,
424 "kexec control code size is too big") 424 "kexec control code size is too big");
425#endif 425#endif
426 426
diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c
index 1440b9c0547e..caa24aca8115 100644
--- a/arch/x86/lib/msr.c
+++ b/arch/x86/lib/msr.c
@@ -89,16 +89,13 @@ void rdmsr_on_cpus(const cpumask_t *mask, u32 msr_no, struct msr *msrs)
89 rv.msrs = msrs; 89 rv.msrs = msrs;
90 rv.msr_no = msr_no; 90 rv.msr_no = msr_no;
91 91
92 preempt_disable(); 92 this_cpu = get_cpu();
93 /* 93
94 * FIXME: handle the CPU we're executing on separately for now until 94 if (cpumask_test_cpu(this_cpu, mask))
95 * smp_call_function_many has been fixed to not skip it. 95 __rdmsr_on_cpu(&rv);
96 */
97 this_cpu = raw_smp_processor_id();
98 smp_call_function_single(this_cpu, __rdmsr_on_cpu, &rv, 1);
99 96
100 smp_call_function_many(mask, __rdmsr_on_cpu, &rv, 1); 97 smp_call_function_many(mask, __rdmsr_on_cpu, &rv, 1);
101 preempt_enable(); 98 put_cpu();
102} 99}
103EXPORT_SYMBOL(rdmsr_on_cpus); 100EXPORT_SYMBOL(rdmsr_on_cpus);
104 101
@@ -121,16 +118,13 @@ void wrmsr_on_cpus(const cpumask_t *mask, u32 msr_no, struct msr *msrs)
121 rv.msrs = msrs; 118 rv.msrs = msrs;
122 rv.msr_no = msr_no; 119 rv.msr_no = msr_no;
123 120
124 preempt_disable(); 121 this_cpu = get_cpu();
125 /* 122
126 * FIXME: handle the CPU we're executing on separately for now until 123 if (cpumask_test_cpu(this_cpu, mask))
127 * smp_call_function_many has been fixed to not skip it. 124 __wrmsr_on_cpu(&rv);
128 */
129 this_cpu = raw_smp_processor_id();
130 smp_call_function_single(this_cpu, __wrmsr_on_cpu, &rv, 1);
131 125
132 smp_call_function_many(mask, __wrmsr_on_cpu, &rv, 1); 126 smp_call_function_many(mask, __wrmsr_on_cpu, &rv, 1);
133 preempt_enable(); 127 put_cpu();
134} 128}
135EXPORT_SYMBOL(wrmsr_on_cpus); 129EXPORT_SYMBOL(wrmsr_on_cpus);
136 130
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 1b734d7a8966..7e600c1962db 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -591,9 +591,12 @@ static int __change_page_attr(struct cpa_data *cpa, int primary)
591 unsigned int level; 591 unsigned int level;
592 pte_t *kpte, old_pte; 592 pte_t *kpte, old_pte;
593 593
594 if (cpa->flags & CPA_PAGES_ARRAY) 594 if (cpa->flags & CPA_PAGES_ARRAY) {
595 address = (unsigned long)page_address(cpa->pages[cpa->curpage]); 595 struct page *page = cpa->pages[cpa->curpage];
596 else if (cpa->flags & CPA_ARRAY) 596 if (unlikely(PageHighMem(page)))
597 return 0;
598 address = (unsigned long)page_address(page);
599 } else if (cpa->flags & CPA_ARRAY)
597 address = cpa->vaddr[cpa->curpage]; 600 address = cpa->vaddr[cpa->curpage];
598 else 601 else
599 address = *cpa->vaddr; 602 address = *cpa->vaddr;
@@ -697,9 +700,12 @@ static int cpa_process_alias(struct cpa_data *cpa)
697 * No need to redo, when the primary call touched the direct 700 * No need to redo, when the primary call touched the direct
698 * mapping already: 701 * mapping already:
699 */ 702 */
700 if (cpa->flags & CPA_PAGES_ARRAY) 703 if (cpa->flags & CPA_PAGES_ARRAY) {
701 vaddr = (unsigned long)page_address(cpa->pages[cpa->curpage]); 704 struct page *page = cpa->pages[cpa->curpage];
702 else if (cpa->flags & CPA_ARRAY) 705 if (unlikely(PageHighMem(page)))
706 return 0;
707 vaddr = (unsigned long)page_address(page);
708 } else if (cpa->flags & CPA_ARRAY)
703 vaddr = cpa->vaddr[cpa->curpage]; 709 vaddr = cpa->vaddr[cpa->curpage];
704 else 710 else
705 vaddr = *cpa->vaddr; 711 vaddr = *cpa->vaddr;
@@ -997,12 +1003,15 @@ EXPORT_SYMBOL(set_memory_array_uc);
997int _set_memory_wc(unsigned long addr, int numpages) 1003int _set_memory_wc(unsigned long addr, int numpages)
998{ 1004{
999 int ret; 1005 int ret;
1006 unsigned long addr_copy = addr;
1007
1000 ret = change_page_attr_set(&addr, numpages, 1008 ret = change_page_attr_set(&addr, numpages,
1001 __pgprot(_PAGE_CACHE_UC_MINUS), 0); 1009 __pgprot(_PAGE_CACHE_UC_MINUS), 0);
1002
1003 if (!ret) { 1010 if (!ret) {
1004 ret = change_page_attr_set(&addr, numpages, 1011 ret = change_page_attr_set_clr(&addr_copy, numpages,
1005 __pgprot(_PAGE_CACHE_WC), 0); 1012 __pgprot(_PAGE_CACHE_WC),
1013 __pgprot(_PAGE_CACHE_MASK),
1014 0, 0, NULL);
1006 } 1015 }
1007 return ret; 1016 return ret;
1008} 1017}
@@ -1119,7 +1128,9 @@ int set_pages_array_uc(struct page **pages, int addrinarray)
1119 int free_idx; 1128 int free_idx;
1120 1129
1121 for (i = 0; i < addrinarray; i++) { 1130 for (i = 0; i < addrinarray; i++) {
1122 start = (unsigned long)page_address(pages[i]); 1131 if (PageHighMem(pages[i]))
1132 continue;
1133 start = page_to_pfn(pages[i]) << PAGE_SHIFT;
1123 end = start + PAGE_SIZE; 1134 end = start + PAGE_SIZE;
1124 if (reserve_memtype(start, end, _PAGE_CACHE_UC_MINUS, NULL)) 1135 if (reserve_memtype(start, end, _PAGE_CACHE_UC_MINUS, NULL))
1125 goto err_out; 1136 goto err_out;
@@ -1132,7 +1143,9 @@ int set_pages_array_uc(struct page **pages, int addrinarray)
1132err_out: 1143err_out:
1133 free_idx = i; 1144 free_idx = i;
1134 for (i = 0; i < free_idx; i++) { 1145 for (i = 0; i < free_idx; i++) {
1135 start = (unsigned long)page_address(pages[i]); 1146 if (PageHighMem(pages[i]))
1147 continue;
1148 start = page_to_pfn(pages[i]) << PAGE_SHIFT;
1136 end = start + PAGE_SIZE; 1149 end = start + PAGE_SIZE;
1137 free_memtype(start, end); 1150 free_memtype(start, end);
1138 } 1151 }
@@ -1161,7 +1174,9 @@ int set_pages_array_wb(struct page **pages, int addrinarray)
1161 return retval; 1174 return retval;
1162 1175
1163 for (i = 0; i < addrinarray; i++) { 1176 for (i = 0; i < addrinarray; i++) {
1164 start = (unsigned long)page_address(pages[i]); 1177 if (PageHighMem(pages[i]))
1178 continue;
1179 start = page_to_pfn(pages[i]) << PAGE_SHIFT;
1165 end = start + PAGE_SIZE; 1180 end = start + PAGE_SIZE;
1166 free_memtype(start, end); 1181 free_memtype(start, end);
1167 } 1182 }
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index af8f9650058c..ed34f5e35999 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -329,7 +329,6 @@ void __init reserve_top_address(unsigned long reserve)
329 printk(KERN_INFO "Reserving virtual address space above 0x%08x\n", 329 printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
330 (int)-reserve); 330 (int)-reserve);
331 __FIXADDR_TOP = -reserve - PAGE_SIZE; 331 __FIXADDR_TOP = -reserve - PAGE_SIZE;
332 __VMALLOC_RESERVE += reserve;
333#endif 332#endif
334} 333}
335 334