aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arc/kernel/ptrace.c2
-rw-r--r--arch/arc/kernel/signal.c25
-rw-r--r--arch/arm/Makefile9
-rw-r--r--arch/arm/boot/Makefile16
-rw-r--r--arch/arm/boot/dts/Makefile2
-rw-r--r--arch/arm/boot/dts/armada-370-netgear-rn102.dts49
-rw-r--r--arch/arm/boot/dts/armada-xp.dtsi11
-rw-r--r--arch/arm/boot/dts/at91sam9x5.dtsi6
-rw-r--r--arch/arm/boot/dts/atlas6.dtsi12
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi5
-rw-r--r--arch/arm/boot/dts/kirkwood.dtsi3
-rw-r--r--arch/arm/boot/dts/omap3-beagle-xm.dts2
-rw-r--r--arch/arm/boot/dts/omap3.dtsi4
-rw-r--r--arch/arm/boot/dts/prima2.dtsi27
-rw-r--r--arch/arm/boot/dts/r8a73a4.dtsi6
-rw-r--r--arch/arm/boot/dts/r8a7778.dtsi1
-rw-r--r--arch/arm/boot/dts/r8a7779.dtsi1
-rw-r--r--arch/arm/boot/dts/r8a7790.dtsi9
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi6
-rw-r--r--arch/arm/boot/install.sh14
-rw-r--r--arch/arm/common/edma.c38
-rw-r--r--arch/arm/common/mcpm_entry.c6
-rw-r--r--arch/arm/common/sharpsl_param.c5
-rw-r--r--arch/arm/configs/multi_v7_defconfig1
-rw-r--r--arch/arm/include/asm/Kbuild1
-rw-r--r--arch/arm/include/asm/jump_label.h2
-rw-r--r--arch/arm/include/asm/mcpm.h14
-rw-r--r--arch/arm/include/asm/syscall.h6
-rw-r--r--arch/arm/kernel/head.S21
-rw-r--r--arch/arm/mach-at91/at91rm9200_time.c2
-rw-r--r--arch/arm/mach-at91/at91sam926x_time.c2
-rw-r--r--arch/arm/mach-at91/at91sam9g45_reset.S8
-rw-r--r--arch/arm/mach-at91/at91x40_time.c2
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c2
-rw-r--r--arch/arm/mach-davinci/include/mach/serial.h4
-rw-r--r--arch/arm/mach-integrator/pci_v3.h7
-rw-r--r--arch/arm/mach-mvebu/coherency.c8
-rw-r--r--arch/arm/mach-mvebu/pmsu.c1
-rw-r--r--arch/arm/mach-mvebu/system-controller.c1
-rw-r--r--arch/arm/mach-omap2/board-generic.c18
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c9
-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.c12
-rw-r--r--arch/arm/mach-omap2/mux.h4
-rw-r--r--arch/arm/mach-omap2/timer.c4
-rw-r--r--arch/arm/mach-shmobile/board-armadillo800eva.c4
-rw-r--r--arch/arm/mach-shmobile/board-lager.c27
-rw-r--r--arch/arm/mach-vexpress/tc2_pm.c11
-rw-r--r--arch/arm/mm/dma-mapping.c43
-rw-r--r--arch/arm/mm/init.c3
-rw-r--r--arch/arm64/Kconfig.debug7
-rw-r--r--arch/arm64/configs/defconfig5
-rw-r--r--arch/arm64/include/asm/uaccess.h10
-rw-r--r--arch/arm64/kernel/fpsimd.c2
-rw-r--r--arch/arm64/mm/tlb.S2
-rw-r--r--arch/mips/alchemy/board-mtx1.c2
-rw-r--r--arch/mips/include/asm/jump_label.h2
-rw-r--r--arch/mips/kernel/octeon_switch.S2
-rw-r--r--arch/mips/kernel/r2300_switch.S2
-rw-r--r--arch/mips/kernel/r4k_switch.S2
-rw-r--r--arch/mips/mm/c-r4k.c2
-rw-r--r--arch/parisc/configs/712_defconfig2
-rw-r--r--arch/parisc/configs/a500_defconfig2
-rw-r--r--arch/parisc/configs/b180_defconfig3
-rw-r--r--arch/parisc/configs/c3000_defconfig3
-rw-r--r--arch/parisc/configs/c8000_defconfig2
-rw-r--r--arch/parisc/configs/default_defconfig2
-rw-r--r--arch/parisc/include/asm/traps.h2
-rw-r--r--arch/parisc/kernel/smp.c8
-rw-r--r--arch/parisc/kernel/traps.c11
-rw-r--r--arch/parisc/lib/memcpy.c15
-rw-r--r--arch/parisc/mm/fault.c15
-rw-r--r--arch/powerpc/include/asm/jump_label.h2
-rw-r--r--arch/powerpc/kernel/iommu.c2
-rw-r--r--arch/powerpc/kernel/irq.c5
-rw-r--r--arch/powerpc/kernel/sysfs.c18
-rw-r--r--arch/powerpc/kernel/tm.S95
-rw-r--r--arch/powerpc/kernel/vio.c12
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S2
-rw-r--r--arch/powerpc/kvm/e500_mmu_host.c18
-rw-r--r--arch/powerpc/lib/checksum_64.S58
-rw-r--r--arch/powerpc/mm/init_64.c4
-rw-r--r--arch/powerpc/mm/mem.c9
-rw-r--r--arch/powerpc/perf/power8-pmu.c5
-rw-r--r--arch/s390/include/asm/jump_label.h2
-rw-r--r--arch/s390/include/asm/pgtable.h4
-rw-r--r--arch/s390/include/asm/timex.h28
-rw-r--r--arch/s390/kernel/compat_signal.c4
-rw-r--r--arch/s390/kernel/crash_dump.c42
-rw-r--r--arch/s390/kernel/debug.c2
-rw-r--r--arch/s390/kernel/entry.S1
-rw-r--r--arch/s390/kernel/entry64.S1
-rw-r--r--arch/s390/kernel/kprobes.c6
-rw-r--r--arch/s390/kvm/interrupt.c6
-rw-r--r--arch/s390/lib/delay.c14
-rw-r--r--arch/sparc/Kconfig7
-rw-r--r--arch/sparc/include/asm/floppy_64.h2
-rw-r--r--arch/sparc/include/asm/jump_label.h2
-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/ds.c5
-rw-r--r--arch/sparc/kernel/ldc.c4
-rw-r--r--arch/tile/include/asm/atomic.h5
-rw-r--r--arch/tile/include/asm/atomic_32.h27
-rw-r--r--arch/tile/include/asm/cmpxchg.h28
-rw-r--r--arch/tile/include/asm/percpu.h34
-rw-r--r--arch/tile/kernel/hardwall.c6
-rw-r--r--arch/tile/kernel/intvec_32.S3
-rw-r--r--arch/tile/kernel/intvec_64.S3
-rw-r--r--arch/tile/kernel/stack.c12
-rw-r--r--arch/tile/lib/atomic_32.c8
-rw-r--r--arch/x86/Kconfig7
-rw-r--r--arch/x86/include/asm/cpufeature.h6
-rw-r--r--arch/x86/include/asm/jump_label.h2
-rw-r--r--arch/x86/include/asm/mutex_64.h4
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event.c11
-rw-r--r--arch/x86/kernel/kvm.c17
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/kernel/sysfb_simplefb.c4
-rw-r--r--arch/x86/kvm/vmx.c24
-rw-r--r--arch/x86/pci/mmconfig-shared.c7
-rw-r--r--arch/x86/xen/smp.c9
121 files changed, 814 insertions, 355 deletions
diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
index 333238564b67..5d76706139dd 100644
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -102,7 +102,7 @@ static int genregs_set(struct task_struct *target,
102 REG_IGNORE_ONE(pad2); 102 REG_IGNORE_ONE(pad2);
103 REG_IN_CHUNK(callee, efa, cregs); /* callee_regs[r25..r13] */ 103 REG_IN_CHUNK(callee, efa, cregs); /* callee_regs[r25..r13] */
104 REG_IGNORE_ONE(efa); /* efa update invalid */ 104 REG_IGNORE_ONE(efa); /* efa update invalid */
105 REG_IN_ONE(stop_pc, &ptregs->ret); /* stop_pc: PC update */ 105 REG_IGNORE_ONE(stop_pc); /* PC updated via @ret */
106 106
107 return ret; 107 return ret;
108} 108}
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index ee6ef2f60a28..7e95e1a86510 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -101,7 +101,6 @@ SYSCALL_DEFINE0(rt_sigreturn)
101{ 101{
102 struct rt_sigframe __user *sf; 102 struct rt_sigframe __user *sf;
103 unsigned int magic; 103 unsigned int magic;
104 int err;
105 struct pt_regs *regs = current_pt_regs(); 104 struct pt_regs *regs = current_pt_regs();
106 105
107 /* Always make any pending restarted system calls return -EINTR */ 106 /* Always make any pending restarted system calls return -EINTR */
@@ -119,15 +118,16 @@ SYSCALL_DEFINE0(rt_sigreturn)
119 if (!access_ok(VERIFY_READ, sf, sizeof(*sf))) 118 if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))
120 goto badframe; 119 goto badframe;
121 120
122 err = restore_usr_regs(regs, sf); 121 if (__get_user(magic, &sf->sigret_magic))
123 err |= __get_user(magic, &sf->sigret_magic);
124 if (err)
125 goto badframe; 122 goto badframe;
126 123
127 if (unlikely(is_do_ss_needed(magic))) 124 if (unlikely(is_do_ss_needed(magic)))
128 if (restore_altstack(&sf->uc.uc_stack)) 125 if (restore_altstack(&sf->uc.uc_stack))
129 goto badframe; 126 goto badframe;
130 127
128 if (restore_usr_regs(regs, sf))
129 goto badframe;
130
131 /* Don't restart from sigreturn */ 131 /* Don't restart from sigreturn */
132 syscall_wont_restart(regs); 132 syscall_wont_restart(regs);
133 133
@@ -191,6 +191,15 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info,
191 return 1; 191 return 1;
192 192
193 /* 193 /*
194 * w/o SA_SIGINFO, struct ucontext is partially populated (only
195 * uc_mcontext/uc_sigmask) for kernel's normal user state preservation
196 * during signal handler execution. This works for SA_SIGINFO as well
197 * although the semantics are now overloaded (the same reg state can be
198 * inspected by userland: but are they allowed to fiddle with it ?
199 */
200 err |= stash_usr_regs(sf, regs, set);
201
202 /*
194 * SA_SIGINFO requires 3 args to signal handler: 203 * SA_SIGINFO requires 3 args to signal handler:
195 * #1: sig-no (common to any handler) 204 * #1: sig-no (common to any handler)
196 * #2: struct siginfo 205 * #2: struct siginfo
@@ -213,14 +222,6 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info,
213 magic = MAGIC_SIGALTSTK; 222 magic = MAGIC_SIGALTSTK;
214 } 223 }
215 224
216 /*
217 * w/o SA_SIGINFO, struct ucontext is partially populated (only
218 * uc_mcontext/uc_sigmask) for kernel's normal user state preservation
219 * during signal handler execution. This works for SA_SIGINFO as well
220 * although the semantics are now overloaded (the same reg state can be
221 * inspected by userland: but are they allowed to fiddle with it ?
222 */
223 err |= stash_usr_regs(sf, regs, set);
224 err |= __put_user(magic, &sf->sigret_magic); 225 err |= __put_user(magic, &sf->sigret_magic);
225 if (err) 226 if (err)
226 return err; 227 return err;
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index a37a50f575a2..db50b626be98 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -296,10 +296,15 @@ archprepare:
296# Convert bzImage to zImage 296# Convert bzImage to zImage
297bzImage: zImage 297bzImage: zImage
298 298
299zImage Image xipImage bootpImage uImage: vmlinux 299BOOT_TARGETS = zImage Image xipImage bootpImage uImage
300INSTALL_TARGETS = zinstall uinstall install
301
302PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
303
304$(BOOT_TARGETS): vmlinux
300 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ 305 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
301 306
302zinstall uinstall install: vmlinux 307$(INSTALL_TARGETS):
303 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 308 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
304 309
305%.dtb: | scripts 310%.dtb: | scripts
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 84aa2caf07ed..ec2f8065f955 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -95,24 +95,24 @@ initrd:
95 @test "$(INITRD)" != "" || \ 95 @test "$(INITRD)" != "" || \
96 (echo You must specify INITRD; exit -1) 96 (echo You must specify INITRD; exit -1)
97 97
98install: $(obj)/Image 98install:
99 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 99 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
100 $(obj)/Image System.map "$(INSTALL_PATH)" 100 $(obj)/Image System.map "$(INSTALL_PATH)"
101 101
102zinstall: $(obj)/zImage 102zinstall:
103 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 103 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
104 $(obj)/zImage System.map "$(INSTALL_PATH)" 104 $(obj)/zImage System.map "$(INSTALL_PATH)"
105 105
106uinstall: $(obj)/uImage 106uinstall:
107 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 107 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
108 $(obj)/uImage System.map "$(INSTALL_PATH)" 108 $(obj)/uImage System.map "$(INSTALL_PATH)"
109 109
110zi: 110zi:
111 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 111 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
112 $(obj)/zImage System.map "$(INSTALL_PATH)" 112 $(obj)/zImage System.map "$(INSTALL_PATH)"
113 113
114i: 114i:
115 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 115 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
116 $(obj)/Image System.map "$(INSTALL_PATH)" 116 $(obj)/Image System.map "$(INSTALL_PATH)"
117 117
118subdir- := bootp compressed dts 118subdir- := bootp compressed dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index e95af3f5433b..802720e3e8fd 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -41,6 +41,8 @@ dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb
41dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb 41dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb
42dtb-$(CONFIG_ARCH_AT91) += sama5d35ek.dtb 42dtb-$(CONFIG_ARCH_AT91) += sama5d35ek.dtb
43 43
44dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
45
44dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb 46dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
45dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \ 47dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \
46 bcm28155-ap.dtb 48 bcm28155-ap.dtb
diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts
index 05e4485a8225..8ac2ac1f69cc 100644
--- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts
+++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts
@@ -27,6 +27,25 @@
27 }; 27 };
28 28
29 soc { 29 soc {
30 ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
31 MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
32
33 pcie-controller {
34 status = "okay";
35
36 /* Connected to Marvell SATA controller */
37 pcie@1,0 {
38 /* Port 0, Lane 0 */
39 status = "okay";
40 };
41
42 /* Connected to FL1009 USB 3.0 controller */
43 pcie@2,0 {
44 /* Port 1, Lane 0 */
45 status = "okay";
46 };
47 };
48
30 internal-regs { 49 internal-regs {
31 serial@12000 { 50 serial@12000 {
32 clock-frequency = <200000000>; 51 clock-frequency = <200000000>;
@@ -57,6 +76,11 @@
57 marvell,pins = "mpp56"; 76 marvell,pins = "mpp56";
58 marvell,function = "gpio"; 77 marvell,function = "gpio";
59 }; 78 };
79
80 poweroff: poweroff {
81 marvell,pins = "mpp8";
82 marvell,function = "gpio";
83 };
60 }; 84 };
61 85
62 mdio { 86 mdio {
@@ -89,22 +113,6 @@
89 pwm_polarity = <0>; 113 pwm_polarity = <0>;
90 }; 114 };
91 }; 115 };
92
93 pcie-controller {
94 status = "okay";
95
96 /* Connected to Marvell SATA controller */
97 pcie@1,0 {
98 /* Port 0, Lane 0 */
99 status = "okay";
100 };
101
102 /* Connected to FL1009 USB 3.0 controller */
103 pcie@2,0 {
104 /* Port 1, Lane 0 */
105 status = "okay";
106 };
107 };
108 }; 116 };
109 }; 117 };
110 118
@@ -160,7 +168,7 @@
160 button@1 { 168 button@1 {
161 label = "Power Button"; 169 label = "Power Button";
162 linux,code = <116>; /* KEY_POWER */ 170 linux,code = <116>; /* KEY_POWER */
163 gpios = <&gpio1 30 1>; 171 gpios = <&gpio1 30 0>;
164 }; 172 };
165 173
166 button@2 { 174 button@2 {
@@ -176,4 +184,11 @@
176 }; 184 };
177 }; 185 };
178 186
187 gpio_poweroff {
188 compatible = "gpio-poweroff";
189 pinctrl-0 = <&poweroff>;
190 pinctrl-names = "default";
191 gpios = <&gpio0 8 1>;
192 };
193
179}; 194};
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index def125c0eeaa..3058522f5aad 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -70,6 +70,8 @@
70 70
71 timer@20300 { 71 timer@20300 {
72 compatible = "marvell,armada-xp-timer"; 72 compatible = "marvell,armada-xp-timer";
73 clocks = <&coreclk 2>, <&refclk>;
74 clock-names = "nbclk", "fixed";
73 }; 75 };
74 76
75 coreclk: mvebu-sar@18230 { 77 coreclk: mvebu-sar@18230 {
@@ -169,4 +171,13 @@
169 }; 171 };
170 }; 172 };
171 }; 173 };
174
175 clocks {
176 /* 25 MHz reference crystal */
177 refclk: oscillator {
178 compatible = "fixed-clock";
179 #clock-cells = <0>;
180 clock-frequency = <25000000>;
181 };
182 };
172}; 183};
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index cf78ac0b04b1..e74dc15efa9d 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -190,12 +190,12 @@
190 AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA8 periph A */ 190 AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA8 periph A */
191 }; 191 };
192 192
193 pinctrl_uart2_rts: uart2_rts-0 { 193 pinctrl_usart2_rts: usart2_rts-0 {
194 atmel,pins = 194 atmel,pins =
195 <AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */ 195 <AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */
196 }; 196 };
197 197
198 pinctrl_uart2_cts: uart2_cts-0 { 198 pinctrl_usart2_cts: usart2_cts-0 {
199 atmel,pins = 199 atmel,pins =
200 <AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */ 200 <AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */
201 }; 201 };
@@ -556,6 +556,7 @@
556 interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>; 556 interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>;
557 dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>; 557 dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>;
558 dma-names = "rxtx"; 558 dma-names = "rxtx";
559 pinctrl-names = "default";
559 #address-cells = <1>; 560 #address-cells = <1>;
560 #size-cells = <0>; 561 #size-cells = <0>;
561 status = "disabled"; 562 status = "disabled";
@@ -567,6 +568,7 @@
567 interrupts = <26 IRQ_TYPE_LEVEL_HIGH 0>; 568 interrupts = <26 IRQ_TYPE_LEVEL_HIGH 0>;
568 dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>; 569 dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>;
569 dma-names = "rxtx"; 570 dma-names = "rxtx";
571 pinctrl-names = "default";
570 #address-cells = <1>; 572 #address-cells = <1>;
571 #size-cells = <0>; 573 #size-cells = <0>;
572 status = "disabled"; 574 status = "disabled";
diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi
index 8678e0c11119..6db4f81d4795 100644
--- a/arch/arm/boot/dts/atlas6.dtsi
+++ b/arch/arm/boot/dts/atlas6.dtsi
@@ -181,6 +181,8 @@
181 interrupts = <17>; 181 interrupts = <17>;
182 fifosize = <128>; 182 fifosize = <128>;
183 clocks = <&clks 13>; 183 clocks = <&clks 13>;
184 sirf,uart-dma-rx-channel = <21>;
185 sirf,uart-dma-tx-channel = <2>;
184 }; 186 };
185 187
186 uart1: uart@b0060000 { 188 uart1: uart@b0060000 {
@@ -199,6 +201,8 @@
199 interrupts = <19>; 201 interrupts = <19>;
200 fifosize = <128>; 202 fifosize = <128>;
201 clocks = <&clks 15>; 203 clocks = <&clks 15>;
204 sirf,uart-dma-rx-channel = <6>;
205 sirf,uart-dma-tx-channel = <7>;
202 }; 206 };
203 207
204 usp0: usp@b0080000 { 208 usp0: usp@b0080000 {
@@ -206,7 +210,10 @@
206 compatible = "sirf,prima2-usp"; 210 compatible = "sirf,prima2-usp";
207 reg = <0xb0080000 0x10000>; 211 reg = <0xb0080000 0x10000>;
208 interrupts = <20>; 212 interrupts = <20>;
213 fifosize = <128>;
209 clocks = <&clks 28>; 214 clocks = <&clks 28>;
215 sirf,usp-dma-rx-channel = <17>;
216 sirf,usp-dma-tx-channel = <18>;
210 }; 217 };
211 218
212 usp1: usp@b0090000 { 219 usp1: usp@b0090000 {
@@ -214,7 +221,10 @@
214 compatible = "sirf,prima2-usp"; 221 compatible = "sirf,prima2-usp";
215 reg = <0xb0090000 0x10000>; 222 reg = <0xb0090000 0x10000>;
216 interrupts = <21>; 223 interrupts = <21>;
224 fifosize = <128>;
217 clocks = <&clks 29>; 225 clocks = <&clks 29>;
226 sirf,usp-dma-rx-channel = <14>;
227 sirf,usp-dma-tx-channel = <15>;
218 }; 228 };
219 229
220 dmac0: dma-controller@b00b0000 { 230 dmac0: dma-controller@b00b0000 {
@@ -237,6 +247,8 @@
237 compatible = "sirf,prima2-vip"; 247 compatible = "sirf,prima2-vip";
238 reg = <0xb00C0000 0x10000>; 248 reg = <0xb00C0000 0x10000>;
239 clocks = <&clks 31>; 249 clocks = <&clks 31>;
250 interrupts = <14>;
251 sirf,vip-dma-rx-channel = <16>;
240 }; 252 };
241 253
242 spi0: spi@b00d0000 { 254 spi0: spi@b00d0000 {
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 7d7cc777ff7b..bbac42a78ce5 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -96,6 +96,11 @@
96 <1 14 0xf08>, 96 <1 14 0xf08>,
97 <1 11 0xf08>, 97 <1 11 0xf08>,
98 <1 10 0xf08>; 98 <1 10 0xf08>;
99 /* Unfortunately we need this since some versions of U-Boot
100 * on Exynos don't set the CNTFRQ register, so we need the
101 * value from DT.
102 */
103 clock-frequency = <24000000>;
99 }; 104 };
100 105
101 mct@101C0000 { 106 mct@101C0000 {
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index cf7aeaf89e9c..1335b2e1bed4 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -13,6 +13,7 @@
13 cpu@0 { 13 cpu@0 {
14 device_type = "cpu"; 14 device_type = "cpu";
15 compatible = "marvell,feroceon"; 15 compatible = "marvell,feroceon";
16 reg = <0>;
16 clocks = <&core_clk 1>, <&core_clk 3>, <&gate_clk 11>; 17 clocks = <&core_clk 1>, <&core_clk 3>, <&gate_clk 11>;
17 clock-names = "cpu_clk", "ddrclk", "powersave"; 18 clock-names = "cpu_clk", "ddrclk", "powersave";
18 }; 19 };
@@ -167,7 +168,7 @@
167 xor@60900 { 168 xor@60900 {
168 compatible = "marvell,orion-xor"; 169 compatible = "marvell,orion-xor";
169 reg = <0x60900 0x100 170 reg = <0x60900 0x100
170 0xd0B00 0x100>; 171 0x60B00 0x100>;
171 status = "okay"; 172 status = "okay";
172 clocks = <&gate_clk 16>; 173 clocks = <&gate_clk 16>;
173 174
diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts
index 0c514dc8460c..2816bf612672 100644
--- a/arch/arm/boot/dts/omap3-beagle-xm.dts
+++ b/arch/arm/boot/dts/omap3-beagle-xm.dts
@@ -11,7 +11,7 @@
11 11
12/ { 12/ {
13 model = "TI OMAP3 BeagleBoard xM"; 13 model = "TI OMAP3 BeagleBoard xM";
14 compatible = "ti,omap3-beagle-xm", "ti,omap3-beagle", "ti,omap3"; 14 compatible = "ti,omap3-beagle-xm", "ti,omap36xx", "ti,omap3";
15 15
16 cpus { 16 cpus {
17 cpu@0 { 17 cpu@0 {
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 7d95cda1fae4..b41bd57f4328 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -108,7 +108,7 @@
108 #address-cells = <1>; 108 #address-cells = <1>;
109 #size-cells = <0>; 109 #size-cells = <0>;
110 pinctrl-single,register-width = <16>; 110 pinctrl-single,register-width = <16>;
111 pinctrl-single,function-mask = <0x7f1f>; 111 pinctrl-single,function-mask = <0xff1f>;
112 }; 112 };
113 113
114 omap3_pmx_wkup: pinmux@0x48002a00 { 114 omap3_pmx_wkup: pinmux@0x48002a00 {
@@ -117,7 +117,7 @@
117 #address-cells = <1>; 117 #address-cells = <1>;
118 #size-cells = <0>; 118 #size-cells = <0>;
119 pinctrl-single,register-width = <16>; 119 pinctrl-single,register-width = <16>;
120 pinctrl-single,function-mask = <0x7f1f>; 120 pinctrl-single,function-mask = <0xff1f>;
121 }; 121 };
122 122
123 gpio1: gpio@48310000 { 123 gpio1: gpio@48310000 {
diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi
index bbeb623fc2c6..27ed9f5144bc 100644
--- a/arch/arm/boot/dts/prima2.dtsi
+++ b/arch/arm/boot/dts/prima2.dtsi
@@ -171,7 +171,8 @@
171 compatible = "simple-bus"; 171 compatible = "simple-bus";
172 #address-cells = <1>; 172 #address-cells = <1>;
173 #size-cells = <1>; 173 #size-cells = <1>;
174 ranges = <0xb0000000 0xb0000000 0x180000>; 174 ranges = <0xb0000000 0xb0000000 0x180000>,
175 <0x56000000 0x56000000 0x1b00000>;
175 176
176 timer@b0020000 { 177 timer@b0020000 {
177 compatible = "sirf,prima2-tick"; 178 compatible = "sirf,prima2-tick";
@@ -196,25 +197,32 @@
196 uart0: uart@b0050000 { 197 uart0: uart@b0050000 {
197 cell-index = <0>; 198 cell-index = <0>;
198 compatible = "sirf,prima2-uart"; 199 compatible = "sirf,prima2-uart";
199 reg = <0xb0050000 0x10000>; 200 reg = <0xb0050000 0x1000>;
200 interrupts = <17>; 201 interrupts = <17>;
202 fifosize = <128>;
201 clocks = <&clks 13>; 203 clocks = <&clks 13>;
204 sirf,uart-dma-rx-channel = <21>;
205 sirf,uart-dma-tx-channel = <2>;
202 }; 206 };
203 207
204 uart1: uart@b0060000 { 208 uart1: uart@b0060000 {
205 cell-index = <1>; 209 cell-index = <1>;
206 compatible = "sirf,prima2-uart"; 210 compatible = "sirf,prima2-uart";
207 reg = <0xb0060000 0x10000>; 211 reg = <0xb0060000 0x1000>;
208 interrupts = <18>; 212 interrupts = <18>;
213 fifosize = <32>;
209 clocks = <&clks 14>; 214 clocks = <&clks 14>;
210 }; 215 };
211 216
212 uart2: uart@b0070000 { 217 uart2: uart@b0070000 {
213 cell-index = <2>; 218 cell-index = <2>;
214 compatible = "sirf,prima2-uart"; 219 compatible = "sirf,prima2-uart";
215 reg = <0xb0070000 0x10000>; 220 reg = <0xb0070000 0x1000>;
216 interrupts = <19>; 221 interrupts = <19>;
222 fifosize = <128>;
217 clocks = <&clks 15>; 223 clocks = <&clks 15>;
224 sirf,uart-dma-rx-channel = <6>;
225 sirf,uart-dma-tx-channel = <7>;
218 }; 226 };
219 227
220 usp0: usp@b0080000 { 228 usp0: usp@b0080000 {
@@ -222,7 +230,10 @@
222 compatible = "sirf,prima2-usp"; 230 compatible = "sirf,prima2-usp";
223 reg = <0xb0080000 0x10000>; 231 reg = <0xb0080000 0x10000>;
224 interrupts = <20>; 232 interrupts = <20>;
233 fifosize = <128>;
225 clocks = <&clks 28>; 234 clocks = <&clks 28>;
235 sirf,usp-dma-rx-channel = <17>;
236 sirf,usp-dma-tx-channel = <18>;
226 }; 237 };
227 238
228 usp1: usp@b0090000 { 239 usp1: usp@b0090000 {
@@ -230,7 +241,10 @@
230 compatible = "sirf,prima2-usp"; 241 compatible = "sirf,prima2-usp";
231 reg = <0xb0090000 0x10000>; 242 reg = <0xb0090000 0x10000>;
232 interrupts = <21>; 243 interrupts = <21>;
244 fifosize = <128>;
233 clocks = <&clks 29>; 245 clocks = <&clks 29>;
246 sirf,usp-dma-rx-channel = <14>;
247 sirf,usp-dma-tx-channel = <15>;
234 }; 248 };
235 249
236 usp2: usp@b00a0000 { 250 usp2: usp@b00a0000 {
@@ -238,7 +252,10 @@
238 compatible = "sirf,prima2-usp"; 252 compatible = "sirf,prima2-usp";
239 reg = <0xb00a0000 0x10000>; 253 reg = <0xb00a0000 0x10000>;
240 interrupts = <22>; 254 interrupts = <22>;
255 fifosize = <128>;
241 clocks = <&clks 30>; 256 clocks = <&clks 30>;
257 sirf,usp-dma-rx-channel = <10>;
258 sirf,usp-dma-tx-channel = <11>;
242 }; 259 };
243 260
244 dmac0: dma-controller@b00b0000 { 261 dmac0: dma-controller@b00b0000 {
@@ -261,6 +278,8 @@
261 compatible = "sirf,prima2-vip"; 278 compatible = "sirf,prima2-vip";
262 reg = <0xb00C0000 0x10000>; 279 reg = <0xb00C0000 0x10000>;
263 clocks = <&clks 31>; 280 clocks = <&clks 31>;
281 interrupts = <14>;
282 sirf,vip-dma-rx-channel = <16>;
264 }; 283 };
265 284
266 spi0: spi@b00d0000 { 285 spi0: spi@b00d0000 {
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index 6c26caa880f2..658fcc537576 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -193,7 +193,7 @@
193 }; 193 };
194 194
195 sdhi0: sdhi@ee100000 { 195 sdhi0: sdhi@ee100000 {
196 compatible = "renesas,r8a73a4-sdhi"; 196 compatible = "renesas,sdhi-r8a73a4";
197 reg = <0 0xee100000 0 0x100>; 197 reg = <0 0xee100000 0 0x100>;
198 interrupt-parent = <&gic>; 198 interrupt-parent = <&gic>;
199 interrupts = <0 165 4>; 199 interrupts = <0 165 4>;
@@ -202,7 +202,7 @@
202 }; 202 };
203 203
204 sdhi1: sdhi@ee120000 { 204 sdhi1: sdhi@ee120000 {
205 compatible = "renesas,r8a73a4-sdhi"; 205 compatible = "renesas,sdhi-r8a73a4";
206 reg = <0 0xee120000 0 0x100>; 206 reg = <0 0xee120000 0 0x100>;
207 interrupt-parent = <&gic>; 207 interrupt-parent = <&gic>;
208 interrupts = <0 166 4>; 208 interrupts = <0 166 4>;
@@ -211,7 +211,7 @@
211 }; 211 };
212 212
213 sdhi2: sdhi@ee140000 { 213 sdhi2: sdhi@ee140000 {
214 compatible = "renesas,r8a73a4-sdhi"; 214 compatible = "renesas,sdhi-r8a73a4";
215 reg = <0 0xee140000 0 0x100>; 215 reg = <0 0xee140000 0 0x100>;
216 interrupt-parent = <&gic>; 216 interrupt-parent = <&gic>;
217 interrupts = <0 167 4>; 217 interrupts = <0 167 4>;
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 45ac404ab6d8..3577aba82583 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -96,6 +96,5 @@
96 pfc: pfc@fffc0000 { 96 pfc: pfc@fffc0000 {
97 compatible = "renesas,pfc-r8a7778"; 97 compatible = "renesas,pfc-r8a7778";
98 reg = <0xfffc000 0x118>; 98 reg = <0xfffc000 0x118>;
99 #gpio-range-cells = <3>;
100 }; 99 };
101}; 100};
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 23a62447359c..ebbe507fcbfa 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -188,7 +188,6 @@
188 pfc: pfc@fffc0000 { 188 pfc: pfc@fffc0000 {
189 compatible = "renesas,pfc-r8a7779"; 189 compatible = "renesas,pfc-r8a7779";
190 reg = <0xfffc0000 0x23c>; 190 reg = <0xfffc0000 0x23c>;
191 #gpio-range-cells = <3>;
192 }; 191 };
193 192
194 thermal@ffc48000 { 193 thermal@ffc48000 {
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 3b879e7c697c..413b4c29e782 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -148,11 +148,10 @@
148 pfc: pfc@e6060000 { 148 pfc: pfc@e6060000 {
149 compatible = "renesas,pfc-r8a7790"; 149 compatible = "renesas,pfc-r8a7790";
150 reg = <0 0xe6060000 0 0x250>; 150 reg = <0 0xe6060000 0 0x250>;
151 #gpio-range-cells = <3>;
152 }; 151 };
153 152
154 sdhi0: sdhi@ee100000 { 153 sdhi0: sdhi@ee100000 {
155 compatible = "renesas,r8a7790-sdhi"; 154 compatible = "renesas,sdhi-r8a7790";
156 reg = <0 0xee100000 0 0x100>; 155 reg = <0 0xee100000 0 0x100>;
157 interrupt-parent = <&gic>; 156 interrupt-parent = <&gic>;
158 interrupts = <0 165 4>; 157 interrupts = <0 165 4>;
@@ -161,7 +160,7 @@
161 }; 160 };
162 161
163 sdhi1: sdhi@ee120000 { 162 sdhi1: sdhi@ee120000 {
164 compatible = "renesas,r8a7790-sdhi"; 163 compatible = "renesas,sdhi-r8a7790";
165 reg = <0 0xee120000 0 0x100>; 164 reg = <0 0xee120000 0 0x100>;
166 interrupt-parent = <&gic>; 165 interrupt-parent = <&gic>;
167 interrupts = <0 166 4>; 166 interrupts = <0 166 4>;
@@ -170,7 +169,7 @@
170 }; 169 };
171 170
172 sdhi2: sdhi@ee140000 { 171 sdhi2: sdhi@ee140000 {
173 compatible = "renesas,r8a7790-sdhi"; 172 compatible = "renesas,sdhi-r8a7790";
174 reg = <0 0xee140000 0 0x100>; 173 reg = <0 0xee140000 0 0x100>;
175 interrupt-parent = <&gic>; 174 interrupt-parent = <&gic>;
176 interrupts = <0 167 4>; 175 interrupts = <0 167 4>;
@@ -179,7 +178,7 @@
179 }; 178 };
180 179
181 sdhi3: sdhi@ee160000 { 180 sdhi3: sdhi@ee160000 {
182 compatible = "renesas,r8a7790-sdhi"; 181 compatible = "renesas,sdhi-r8a7790";
183 reg = <0 0xee160000 0 0x100>; 182 reg = <0 0xee160000 0 0x100>;
184 interrupt-parent = <&gic>; 183 interrupt-parent = <&gic>;
185 interrupts = <0 168 4>; 184 interrupts = <0 168 4>;
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index ba59a5875a10..3955c7606a6f 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -196,7 +196,7 @@
196 }; 196 };
197 197
198 sdhi0: sdhi@ee100000 { 198 sdhi0: sdhi@ee100000 {
199 compatible = "renesas,r8a7740-sdhi"; 199 compatible = "renesas,sdhi-r8a7740";
200 reg = <0xee100000 0x100>; 200 reg = <0xee100000 0x100>;
201 interrupt-parent = <&gic>; 201 interrupt-parent = <&gic>;
202 interrupts = <0 83 4 202 interrupts = <0 83 4
@@ -208,7 +208,7 @@
208 208
209 /* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */ 209 /* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */
210 sdhi1: sdhi@ee120000 { 210 sdhi1: sdhi@ee120000 {
211 compatible = "renesas,r8a7740-sdhi"; 211 compatible = "renesas,sdhi-r8a7740";
212 reg = <0xee120000 0x100>; 212 reg = <0xee120000 0x100>;
213 interrupt-parent = <&gic>; 213 interrupt-parent = <&gic>;
214 interrupts = <0 88 4 214 interrupts = <0 88 4
@@ -219,7 +219,7 @@
219 }; 219 };
220 220
221 sdhi2: sdhi@ee140000 { 221 sdhi2: sdhi@ee140000 {
222 compatible = "renesas,r8a7740-sdhi"; 222 compatible = "renesas,sdhi-r8a7740";
223 reg = <0xee140000 0x100>; 223 reg = <0xee140000 0x100>;
224 interrupt-parent = <&gic>; 224 interrupt-parent = <&gic>;
225 interrupts = <0 104 4 225 interrupts = <0 104 4
diff --git a/arch/arm/boot/install.sh b/arch/arm/boot/install.sh
index 06ea7d42ce8e..2a45092a40e3 100644
--- a/arch/arm/boot/install.sh
+++ b/arch/arm/boot/install.sh
@@ -20,6 +20,20 @@
20# $4 - default install path (blank if root directory) 20# $4 - default install path (blank if root directory)
21# 21#
22 22
23verify () {
24 if [ ! -f "$1" ]; then
25 echo "" 1>&2
26 echo " *** Missing file: $1" 1>&2
27 echo ' *** You need to run "make" before "make install".' 1>&2
28 echo "" 1>&2
29 exit 1
30 fi
31}
32
33# Make sure the files actually exist
34verify "$2"
35verify "$3"
36
23# User may have a custom install script 37# User may have a custom install script
24if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi 38if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
25if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi 39if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 117f955a2a06..8e1a0245907f 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -269,6 +269,11 @@ static const struct edmacc_param dummy_paramset = {
269 .ccnt = 1, 269 .ccnt = 1,
270}; 270};
271 271
272static const struct of_device_id edma_of_ids[] = {
273 { .compatible = "ti,edma3", },
274 {}
275};
276
272/*****************************************************************************/ 277/*****************************************************************************/
273 278
274static void map_dmach_queue(unsigned ctlr, unsigned ch_no, 279static void map_dmach_queue(unsigned ctlr, unsigned ch_no,
@@ -560,14 +565,38 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id,
560static int prepare_unused_channel_list(struct device *dev, void *data) 565static int prepare_unused_channel_list(struct device *dev, void *data)
561{ 566{
562 struct platform_device *pdev = to_platform_device(dev); 567 struct platform_device *pdev = to_platform_device(dev);
563 int i, ctlr; 568 int i, count, ctlr;
569 struct of_phandle_args dma_spec;
564 570
571 if (dev->of_node) {
572 count = of_property_count_strings(dev->of_node, "dma-names");
573 if (count < 0)
574 return 0;
575 for (i = 0; i < count; i++) {
576 if (of_parse_phandle_with_args(dev->of_node, "dmas",
577 "#dma-cells", i,
578 &dma_spec))
579 continue;
580
581 if (!of_match_node(edma_of_ids, dma_spec.np)) {
582 of_node_put(dma_spec.np);
583 continue;
584 }
585
586 clear_bit(EDMA_CHAN_SLOT(dma_spec.args[0]),
587 edma_cc[0]->edma_unused);
588 of_node_put(dma_spec.np);
589 }
590 return 0;
591 }
592
593 /* For non-OF case */
565 for (i = 0; i < pdev->num_resources; i++) { 594 for (i = 0; i < pdev->num_resources; i++) {
566 if ((pdev->resource[i].flags & IORESOURCE_DMA) && 595 if ((pdev->resource[i].flags & IORESOURCE_DMA) &&
567 (int)pdev->resource[i].start >= 0) { 596 (int)pdev->resource[i].start >= 0) {
568 ctlr = EDMA_CTLR(pdev->resource[i].start); 597 ctlr = EDMA_CTLR(pdev->resource[i].start);
569 clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start), 598 clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start),
570 edma_cc[ctlr]->edma_unused); 599 edma_cc[ctlr]->edma_unused);
571 } 600 }
572 } 601 }
573 602
@@ -1762,11 +1791,6 @@ static int edma_probe(struct platform_device *pdev)
1762 return 0; 1791 return 0;
1763} 1792}
1764 1793
1765static const struct of_device_id edma_of_ids[] = {
1766 { .compatible = "ti,edma3", },
1767 {}
1768};
1769
1770static struct platform_driver edma_driver = { 1794static struct platform_driver edma_driver = {
1771 .driver = { 1795 .driver = {
1772 .name = "edma", 1796 .name = "edma",
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index 370236dd1a03..990250965f2c 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -51,7 +51,8 @@ void mcpm_cpu_power_down(void)
51{ 51{
52 phys_reset_t phys_reset; 52 phys_reset_t phys_reset;
53 53
54 BUG_ON(!platform_ops); 54 if (WARN_ON_ONCE(!platform_ops || !platform_ops->power_down))
55 return;
55 BUG_ON(!irqs_disabled()); 56 BUG_ON(!irqs_disabled());
56 57
57 /* 58 /*
@@ -93,7 +94,8 @@ void mcpm_cpu_suspend(u64 expected_residency)
93{ 94{
94 phys_reset_t phys_reset; 95 phys_reset_t phys_reset;
95 96
96 BUG_ON(!platform_ops); 97 if (WARN_ON_ONCE(!platform_ops || !platform_ops->suspend))
98 return;
97 BUG_ON(!irqs_disabled()); 99 BUG_ON(!irqs_disabled());
98 100
99 /* Very similar to mcpm_cpu_power_down() */ 101 /* Very similar to mcpm_cpu_power_down() */
diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c
index d56c932580eb..025f6ce38596 100644
--- a/arch/arm/common/sharpsl_param.c
+++ b/arch/arm/common/sharpsl_param.c
@@ -15,6 +15,7 @@
15#include <linux/module.h> 15#include <linux/module.h>
16#include <linux/string.h> 16#include <linux/string.h>
17#include <asm/mach/sharpsl_param.h> 17#include <asm/mach/sharpsl_param.h>
18#include <asm/memory.h>
18 19
19/* 20/*
20 * Certain hardware parameters determined at the time of device manufacture, 21 * Certain hardware parameters determined at the time of device manufacture,
@@ -25,8 +26,10 @@
25 */ 26 */
26#ifdef CONFIG_ARCH_SA1100 27#ifdef CONFIG_ARCH_SA1100
27#define PARAM_BASE 0xe8ffc000 28#define PARAM_BASE 0xe8ffc000
29#define param_start(x) (void *)(x)
28#else 30#else
29#define PARAM_BASE 0xa0000a00 31#define PARAM_BASE 0xa0000a00
32#define param_start(x) __va(x)
30#endif 33#endif
31#define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a ) 34#define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a )
32 35
@@ -41,7 +44,7 @@ EXPORT_SYMBOL(sharpsl_param);
41 44
42void sharpsl_save_param(void) 45void sharpsl_save_param(void)
43{ 46{
44 memcpy(&sharpsl_param, (void *)PARAM_BASE, sizeof(struct sharpsl_param_info)); 47 memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info));
45 48
46 if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) 49 if (sharpsl_param.comadj_keyword != COMADJ_MAGIC)
47 sharpsl_param.comadj=-1; 50 sharpsl_param.comadj=-1;
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index f3935b46df29..119fc378fc52 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -135,6 +135,7 @@ CONFIG_MMC=y
135CONFIG_MMC_ARMMMCI=y 135CONFIG_MMC_ARMMMCI=y
136CONFIG_MMC_SDHCI=y 136CONFIG_MMC_SDHCI=y
137CONFIG_MMC_SDHCI_PLTFM=y 137CONFIG_MMC_SDHCI_PLTFM=y
138CONFIG_MMC_SDHCI_ESDHC_IMX=y
138CONFIG_MMC_SDHCI_TEGRA=y 139CONFIG_MMC_SDHCI_TEGRA=y
139CONFIG_MMC_SDHCI_SPEAR=y 140CONFIG_MMC_SDHCI_SPEAR=y
140CONFIG_MMC_OMAP=y 141CONFIG_MMC_OMAP=y
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index d3db39860b9c..59ceae8f3c95 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -31,5 +31,4 @@ generic-y += termbits.h
31generic-y += termios.h 31generic-y += termios.h
32generic-y += timex.h 32generic-y += timex.h
33generic-y += trace_clock.h 33generic-y += trace_clock.h
34generic-y += types.h
35generic-y += unaligned.h 34generic-y += unaligned.h
diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h
index bfc198c75913..863c892b4aaa 100644
--- a/arch/arm/include/asm/jump_label.h
+++ b/arch/arm/include/asm/jump_label.h
@@ -16,7 +16,7 @@
16 16
17static __always_inline bool arch_static_branch(struct static_key *key) 17static __always_inline bool arch_static_branch(struct static_key *key)
18{ 18{
19 asm goto("1:\n\t" 19 asm_volatile_goto("1:\n\t"
20 JUMP_LABEL_NOP "\n\t" 20 JUMP_LABEL_NOP "\n\t"
21 ".pushsection __jump_table, \"aw\"\n\t" 21 ".pushsection __jump_table, \"aw\"\n\t"
22 ".word 1b, %l[l_yes], %c0\n\t" 22 ".word 1b, %l[l_yes], %c0\n\t"
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 0f7b7620e9a5..fc82a88f5b69 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -76,8 +76,11 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster);
76 * 76 *
77 * This must be called with interrupts disabled. 77 * This must be called with interrupts disabled.
78 * 78 *
79 * This does not return. Re-entry in the kernel is expected via 79 * On success this does not return. Re-entry in the kernel is expected
80 * mcpm_entry_point. 80 * via mcpm_entry_point.
81 *
82 * This will return if mcpm_platform_register() has not been called
83 * previously in which case the caller should take appropriate action.
81 */ 84 */
82void mcpm_cpu_power_down(void); 85void mcpm_cpu_power_down(void);
83 86
@@ -98,8 +101,11 @@ void mcpm_cpu_power_down(void);
98 * 101 *
99 * This must be called with interrupts disabled. 102 * This must be called with interrupts disabled.
100 * 103 *
101 * This does not return. Re-entry in the kernel is expected via 104 * On success this does not return. Re-entry in the kernel is expected
102 * mcpm_entry_point. 105 * via mcpm_entry_point.
106 *
107 * This will return if mcpm_platform_register() has not been called
108 * previously in which case the caller should take appropriate action.
103 */ 109 */
104void mcpm_cpu_suspend(u64 expected_residency); 110void mcpm_cpu_suspend(u64 expected_residency);
105 111
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index f1d96d4e8092..73ddd7239b33 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -57,6 +57,9 @@ static inline void syscall_get_arguments(struct task_struct *task,
57 unsigned int i, unsigned int n, 57 unsigned int i, unsigned int n,
58 unsigned long *args) 58 unsigned long *args)
59{ 59{
60 if (n == 0)
61 return;
62
60 if (i + n > SYSCALL_MAX_ARGS) { 63 if (i + n > SYSCALL_MAX_ARGS) {
61 unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i; 64 unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i;
62 unsigned int n_bad = n + i - SYSCALL_MAX_ARGS; 65 unsigned int n_bad = n + i - SYSCALL_MAX_ARGS;
@@ -81,6 +84,9 @@ static inline void syscall_set_arguments(struct task_struct *task,
81 unsigned int i, unsigned int n, 84 unsigned int i, unsigned int n,
82 const unsigned long *args) 85 const unsigned long *args)
83{ 86{
87 if (n == 0)
88 return;
89
84 if (i + n > SYSCALL_MAX_ARGS) { 90 if (i + n > SYSCALL_MAX_ARGS) {
85 pr_warning("%s called with max args %d, handling only %d\n", 91 pr_warning("%s called with max args %d, handling only %d\n",
86 __func__, i + n, SYSCALL_MAX_ARGS); 92 __func__, i + n, SYSCALL_MAX_ARGS);
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 2c7cc1e03473..476de57dcef2 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -487,7 +487,26 @@ __fixup_smp:
487 mrc p15, 0, r0, c0, c0, 5 @ read MPIDR 487 mrc p15, 0, r0, c0, c0, 5 @ read MPIDR
488 and r0, r0, #0xc0000000 @ multiprocessing extensions and 488 and r0, r0, #0xc0000000 @ multiprocessing extensions and
489 teq r0, #0x80000000 @ not part of a uniprocessor system? 489 teq r0, #0x80000000 @ not part of a uniprocessor system?
490 moveq pc, lr @ yes, assume SMP 490 bne __fixup_smp_on_up @ no, assume UP
491
492 @ Core indicates it is SMP. Check for Aegis SOC where a single
493 @ Cortex-A9 CPU is present but SMP operations fault.
494 mov r4, #0x41000000
495 orr r4, r4, #0x0000c000
496 orr r4, r4, #0x00000090
497 teq r3, r4 @ Check for ARM Cortex-A9
498 movne pc, lr @ Not ARM Cortex-A9,
499
500 @ If a future SoC *does* use 0x0 as the PERIPH_BASE, then the
501 @ below address check will need to be #ifdef'd or equivalent
502 @ for the Aegis platform.
503 mrc p15, 4, r0, c15, c0 @ get SCU base address
504 teq r0, #0x0 @ '0' on actual UP A9 hardware
505 beq __fixup_smp_on_up @ So its an A9 UP
506 ldr r0, [r0, #4] @ read SCU Config
507 and r0, r0, #0x3 @ number of CPUs
508 teq r0, #0x0 @ is 1?
509 movne pc, lr
491 510
492__fixup_smp_on_up: 511__fixup_smp_on_up:
493 adr r0, 1f 512 adr r0, 1f
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 180b3024bec3..f607deb40f4d 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -93,7 +93,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
93 93
94static struct irqaction at91rm9200_timer_irq = { 94static struct irqaction at91rm9200_timer_irq = {
95 .name = "at91_tick", 95 .name = "at91_tick",
96 .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, 96 .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
97 .handler = at91rm9200_timer_interrupt, 97 .handler = at91rm9200_timer_interrupt,
98 .irq = NR_IRQS_LEGACY + AT91_ID_SYS, 98 .irq = NR_IRQS_LEGACY + AT91_ID_SYS,
99}; 99};
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index 3a4bc2e1a65e..bb392320a0dd 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -171,7 +171,7 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
171 171
172static struct irqaction at91sam926x_pit_irq = { 172static struct irqaction at91sam926x_pit_irq = {
173 .name = "at91_tick", 173 .name = "at91_tick",
174 .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, 174 .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
175 .handler = at91sam926x_pit_interrupt, 175 .handler = at91sam926x_pit_interrupt,
176 .irq = NR_IRQS_LEGACY + AT91_ID_SYS, 176 .irq = NR_IRQS_LEGACY + AT91_ID_SYS,
177}; 177};
diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S
index 721a1a34dd1d..c40c1e2ef80f 100644
--- a/arch/arm/mach-at91/at91sam9g45_reset.S
+++ b/arch/arm/mach-at91/at91sam9g45_reset.S
@@ -16,11 +16,17 @@
16#include "at91_rstc.h" 16#include "at91_rstc.h"
17 .arm 17 .arm
18 18
19/*
20 * at91_ramc_base is an array void*
21 * init at NULL if only one DDR controler is present in or DT
22 */
19 .globl at91sam9g45_restart 23 .globl at91sam9g45_restart
20 24
21at91sam9g45_restart: 25at91sam9g45_restart:
22 ldr r5, =at91_ramc_base @ preload constants 26 ldr r5, =at91_ramc_base @ preload constants
23 ldr r0, [r5] 27 ldr r0, [r5]
28 ldr r5, [r5, #4] @ ddr1
29 cmp r5, #0
24 ldr r4, =at91_rstc_base 30 ldr r4, =at91_rstc_base
25 ldr r1, [r4] 31 ldr r1, [r4]
26 32
@@ -30,6 +36,8 @@ at91sam9g45_restart:
30 36
31 .balign 32 @ align to cache line 37 .balign 32 @ align to cache line
32 38
39 strne r2, [r5, #AT91_DDRSDRC_RTR] @ disable DDR1 access
40 strne r3, [r5, #AT91_DDRSDRC_LPR] @ power down DDR1
33 str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access 41 str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access
34 str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0 42 str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0
35 str r4, [r1, #AT91_RSTC_CR] @ reset processor 43 str r4, [r1, #AT91_RSTC_CR] @ reset processor
diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c
index 2919eba41ff4..c0e637adf65d 100644
--- a/arch/arm/mach-at91/at91x40_time.c
+++ b/arch/arm/mach-at91/at91x40_time.c
@@ -57,7 +57,7 @@ static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id)
57 57
58static struct irqaction at91x40_timer_irq = { 58static struct irqaction at91x40_timer_irq = {
59 .name = "at91_tick", 59 .name = "at91_tick",
60 .flags = IRQF_DISABLED | IRQF_TIMER, 60 .flags = IRQF_TIMER,
61 .handler = at91x40_timer_interrupt 61 .handler = at91x40_timer_interrupt
62}; 62};
63 63
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 92b7f770615a..4078ba93776b 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -176,7 +176,7 @@ static struct at24_platform_data eeprom_info = {
176 .context = (void *)0x7f00, 176 .context = (void *)0x7f00,
177}; 177};
178 178
179static struct snd_platform_data dm365_evm_snd_data = { 179static struct snd_platform_data dm365_evm_snd_data __maybe_unused = {
180 .asp_chan_q = EVENTQ_3, 180 .asp_chan_q = EVENTQ_3,
181}; 181};
182 182
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 52b8571b2e70..ce402cd21fa0 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -15,8 +15,6 @@
15 15
16#include <mach/hardware.h> 16#include <mach/hardware.h>
17 17
18#include <linux/platform_device.h>
19
20#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) 18#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000)
21#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) 19#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400)
22#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) 20#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800)
@@ -39,6 +37,8 @@
39#define UART_DM646X_SCR_TX_WATERMARK 0x08 37#define UART_DM646X_SCR_TX_WATERMARK 0x08
40 38
41#ifndef __ASSEMBLY__ 39#ifndef __ASSEMBLY__
40#include <linux/platform_device.h>
41
42extern int davinci_serial_init(struct platform_device *); 42extern int davinci_serial_init(struct platform_device *);
43#endif 43#endif
44 44
diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h
index 755fd29fed4a..06a9e2e7d007 100644
--- a/arch/arm/mach-integrator/pci_v3.h
+++ b/arch/arm/mach-integrator/pci_v3.h
@@ -1,2 +1,9 @@
1/* Simple oneliner include to the PCIv3 early init */ 1/* Simple oneliner include to the PCIv3 early init */
2#ifdef CONFIG_PCI
2extern int pci_v3_early_init(void); 3extern int pci_v3_early_init(void);
4#else
5static inline int pci_v3_early_init(void)
6{
7 return 0;
8}
9#endif
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 4c24303ec481..58adf2fd9cfc 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -140,6 +140,7 @@ int __init coherency_init(void)
140 coherency_base = of_iomap(np, 0); 140 coherency_base = of_iomap(np, 0);
141 coherency_cpu_base = of_iomap(np, 1); 141 coherency_cpu_base = of_iomap(np, 1);
142 set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0); 142 set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0);
143 of_node_put(np);
143 } 144 }
144 145
145 return 0; 146 return 0;
@@ -147,9 +148,14 @@ int __init coherency_init(void)
147 148
148static int __init coherency_late_init(void) 149static int __init coherency_late_init(void)
149{ 150{
150 if (of_find_matching_node(NULL, of_coherency_table)) 151 struct device_node *np;
152
153 np = of_find_matching_node(NULL, of_coherency_table);
154 if (np) {
151 bus_register_notifier(&platform_bus_type, 155 bus_register_notifier(&platform_bus_type,
152 &mvebu_hwcc_platform_nb); 156 &mvebu_hwcc_platform_nb);
157 of_node_put(np);
158 }
153 return 0; 159 return 0;
154} 160}
155 161
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 3cc4bef6401c..27fc4f049474 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void)
67 pr_info("Initializing Power Management Service Unit\n"); 67 pr_info("Initializing Power Management Service Unit\n");
68 pmsu_mp_base = of_iomap(np, 0); 68 pmsu_mp_base = of_iomap(np, 0);
69 pmsu_reset_base = of_iomap(np, 1); 69 pmsu_reset_base = of_iomap(np, 1);
70 of_node_put(np);
70 } 71 }
71 72
72 return 0; 73 return 0;
diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
index f875124ff4f9..5175083cdb34 100644
--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void)
98 BUG_ON(!match); 98 BUG_ON(!match);
99 system_controller_base = of_iomap(np, 0); 99 system_controller_base = of_iomap(np, 0);
100 mvebu_sc = (struct mvebu_system_controller *)match->data; 100 mvebu_sc = (struct mvebu_system_controller *)match->data;
101 of_node_put(np);
101 } 102 }
102 103
103 return 0; 104 return 0;
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 39c78387ddec..87162e1b94a5 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -129,6 +129,24 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
129 .restart = omap3xxx_restart, 129 .restart = omap3xxx_restart,
130MACHINE_END 130MACHINE_END
131 131
132static const char *omap36xx_boards_compat[] __initdata = {
133 "ti,omap36xx",
134 NULL,
135};
136
137DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
138 .reserve = omap_reserve,
139 .map_io = omap3_map_io,
140 .init_early = omap3630_init_early,
141 .init_irq = omap_intc_of_init,
142 .handle_irq = omap3_intc_handle_irq,
143 .init_machine = omap_generic_init,
144 .init_late = omap3_init_late,
145 .init_time = omap3_sync32k_timer_init,
146 .dt_compat = omap36xx_boards_compat,
147 .restart = omap3xxx_restart,
148MACHINE_END
149
132static const char *omap3_gp_boards_compat[] __initdata = { 150static const char *omap3_gp_boards_compat[] __initdata = {
133 "ti,omap3-beagle", 151 "ti,omap3-beagle",
134 "timll,omap3-devkit8000", 152 "timll,omap3-devkit8000",
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index c3270c0f1fce..f6fe388af989 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -167,38 +167,47 @@ static struct lp55xx_led_config rx51_lp5523_led_config[] = {
167 .name = "lp5523:kb1", 167 .name = "lp5523:kb1",
168 .chan_nr = 0, 168 .chan_nr = 0,
169 .led_current = 50, 169 .led_current = 50,
170 .max_current = 100,
170 }, { 171 }, {
171 .name = "lp5523:kb2", 172 .name = "lp5523:kb2",
172 .chan_nr = 1, 173 .chan_nr = 1,
173 .led_current = 50, 174 .led_current = 50,
175 .max_current = 100,
174 }, { 176 }, {
175 .name = "lp5523:kb3", 177 .name = "lp5523:kb3",
176 .chan_nr = 2, 178 .chan_nr = 2,
177 .led_current = 50, 179 .led_current = 50,
180 .max_current = 100,
178 }, { 181 }, {
179 .name = "lp5523:kb4", 182 .name = "lp5523:kb4",
180 .chan_nr = 3, 183 .chan_nr = 3,
181 .led_current = 50, 184 .led_current = 50,
185 .max_current = 100,
182 }, { 186 }, {
183 .name = "lp5523:b", 187 .name = "lp5523:b",
184 .chan_nr = 4, 188 .chan_nr = 4,
185 .led_current = 50, 189 .led_current = 50,
190 .max_current = 100,
186 }, { 191 }, {
187 .name = "lp5523:g", 192 .name = "lp5523:g",
188 .chan_nr = 5, 193 .chan_nr = 5,
189 .led_current = 50, 194 .led_current = 50,
195 .max_current = 100,
190 }, { 196 }, {
191 .name = "lp5523:r", 197 .name = "lp5523:r",
192 .chan_nr = 6, 198 .chan_nr = 6,
193 .led_current = 50, 199 .led_current = 50,
200 .max_current = 100,
194 }, { 201 }, {
195 .name = "lp5523:kb5", 202 .name = "lp5523:kb5",
196 .chan_nr = 7, 203 .chan_nr = 7,
197 .led_current = 50, 204 .led_current = 50,
205 .max_current = 100,
198 }, { 206 }, {
199 .name = "lp5523:kb6", 207 .name = "lp5523:kb6",
200 .chan_nr = 8, 208 .chan_nr = 8,
201 .led_current = 50, 209 .led_current = 50,
210 .max_current = 100,
202 } 211 }
203}; 212};
204 213
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 64b5a8346982..8b6876c98ce1 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -272,9 +272,19 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base)
272 struct gpmc_timings t; 272 struct gpmc_timings t;
273 int ret; 273 int ret;
274 274
275 if (gpmc_onenand_data->of_node) 275 if (gpmc_onenand_data->of_node) {
276 gpmc_read_settings_dt(gpmc_onenand_data->of_node, 276 gpmc_read_settings_dt(gpmc_onenand_data->of_node,
277 &onenand_async); 277 &onenand_async);
278 if (onenand_async.sync_read || onenand_async.sync_write) {
279 if (onenand_async.sync_write)
280 gpmc_onenand_data->flags |=
281 ONENAND_SYNC_READWRITE;
282 else
283 gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
284 onenand_async.sync_read = false;
285 onenand_async.sync_write = false;
286 }
287 }
278 288
279 omap2_onenand_set_async_mode(onenand_base); 289 omap2_onenand_set_async_mode(onenand_base);
280 290
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index 5d2080ef7923..16f78a990d04 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -28,7 +28,7 @@
28#define OMAP_PULL_UP (1 << 4) 28#define OMAP_PULL_UP (1 << 4)
29#define OMAP_ALTELECTRICALSEL (1 << 5) 29#define OMAP_ALTELECTRICALSEL (1 << 5)
30 30
31/* 34xx specific mux bit defines */ 31/* omap3/4/5 specific mux bit defines */
32#define OMAP_INPUT_EN (1 << 8) 32#define OMAP_INPUT_EN (1 << 8)
33#define OMAP_OFF_EN (1 << 9) 33#define OMAP_OFF_EN (1 << 9)
34#define OMAP_OFFOUT_EN (1 << 10) 34#define OMAP_OFFOUT_EN (1 << 10)
@@ -36,8 +36,6 @@
36#define OMAP_OFF_PULL_EN (1 << 12) 36#define OMAP_OFF_PULL_EN (1 << 12)
37#define OMAP_OFF_PULL_UP (1 << 13) 37#define OMAP_OFF_PULL_UP (1 << 13)
38#define OMAP_WAKEUP_EN (1 << 14) 38#define OMAP_WAKEUP_EN (1 << 14)
39
40/* 44xx specific mux bit defines */
41#define OMAP_WAKEUP_EVENT (1 << 15) 39#define OMAP_WAKEUP_EVENT (1 << 15)
42 40
43/* Active pin states */ 41/* Active pin states */
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index fa74a0625da1..ead48fa5715e 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -628,7 +628,7 @@ void __init omap4_local_timer_init(void)
628#endif /* CONFIG_HAVE_ARM_TWD */ 628#endif /* CONFIG_HAVE_ARM_TWD */
629#endif /* CONFIG_ARCH_OMAP4 */ 629#endif /* CONFIG_ARCH_OMAP4 */
630 630
631#ifdef CONFIG_SOC_OMAP5 631#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
632void __init omap5_realtime_timer_init(void) 632void __init omap5_realtime_timer_init(void)
633{ 633{
634 omap4_sync32k_timer_init(); 634 omap4_sync32k_timer_init();
@@ -636,7 +636,7 @@ void __init omap5_realtime_timer_init(void)
636 636
637 clocksource_of_init(); 637 clocksource_of_init();
638} 638}
639#endif /* CONFIG_SOC_OMAP5 */ 639#endif /* CONFIG_SOC_OMAP5 || CONFIG_SOC_DRA7XX */
640 640
641/** 641/**
642 * omap_timer_init - build and register timer device with an 642 * omap_timer_init - build and register timer device with an
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 5bd1479d3deb..7f8f6076d360 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1108,9 +1108,9 @@ static const struct pinctrl_map eva_pinctrl_map[] = {
1108 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740", 1108 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
1109 "fsib_mclk_in", "fsib"), 1109 "fsib_mclk_in", "fsib"),
1110 /* GETHER */ 1110 /* GETHER */
1111 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", 1111 PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
1112 "gether_mii", "gether"), 1112 "gether_mii", "gether"),
1113 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", 1113 PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
1114 "gether_int", "gether"), 1114 "gether_int", "gether"),
1115 /* HDMI */ 1115 /* HDMI */
1116 PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740", 1116 PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index ffb6f0ac7606..5930af8d434f 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -29,6 +29,7 @@
29#include <linux/pinctrl/machine.h> 29#include <linux/pinctrl/machine.h>
30#include <linux/platform_data/gpio-rcar.h> 30#include <linux/platform_data/gpio-rcar.h>
31#include <linux/platform_device.h> 31#include <linux/platform_device.h>
32#include <linux/phy.h>
32#include <linux/regulator/fixed.h> 33#include <linux/regulator/fixed.h>
33#include <linux/regulator/machine.h> 34#include <linux/regulator/machine.h>
34#include <linux/sh_eth.h> 35#include <linux/sh_eth.h>
@@ -155,6 +156,30 @@ static void __init lager_add_standard_devices(void)
155 &ether_pdata, sizeof(ether_pdata)); 156 &ether_pdata, sizeof(ether_pdata));
156} 157}
157 158
159/*
160 * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds
161 * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits
162 * 14-15. We have to set them back to 01 from the default 00 value each time
163 * the PHY is reset. It's also important because the PHY's LED0 signal is
164 * connected to SoC's ETH_LINK signal and in the PHY's default mode it will
165 * bounce on and off after each packet, which we apparently want to avoid.
166 */
167static int lager_ksz8041_fixup(struct phy_device *phydev)
168{
169 u16 phyctrl1 = phy_read(phydev, 0x1e);
170
171 phyctrl1 &= ~0xc000;
172 phyctrl1 |= 0x4000;
173 return phy_write(phydev, 0x1e, phyctrl1);
174}
175
176static void __init lager_init(void)
177{
178 lager_add_standard_devices();
179
180 phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup);
181}
182
158static const char *lager_boards_compat_dt[] __initdata = { 183static const char *lager_boards_compat_dt[] __initdata = {
159 "renesas,lager", 184 "renesas,lager",
160 NULL, 185 NULL,
@@ -163,6 +188,6 @@ static const char *lager_boards_compat_dt[] __initdata = {
163DT_MACHINE_START(LAGER_DT, "lager") 188DT_MACHINE_START(LAGER_DT, "lager")
164 .init_early = r8a7790_init_delay, 189 .init_early = r8a7790_init_delay,
165 .init_time = r8a7790_timer_init, 190 .init_time = r8a7790_timer_init,
166 .init_machine = lager_add_standard_devices, 191 .init_machine = lager_init,
167 .dt_compat = lager_boards_compat_dt, 192 .dt_compat = lager_boards_compat_dt,
168MACHINE_END 193MACHINE_END
diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c
index 7aeb5d60e484..e6eb48192912 100644
--- a/arch/arm/mach-vexpress/tc2_pm.c
+++ b/arch/arm/mach-vexpress/tc2_pm.c
@@ -131,6 +131,16 @@ static void tc2_pm_down(u64 residency)
131 } else 131 } else
132 BUG(); 132 BUG();
133 133
134 /*
135 * If the CPU is committed to power down, make sure
136 * the power controller will be in charge of waking it
137 * up upon IRQ, ie IRQ lines are cut from GIC CPU IF
138 * to the CPU by disabling the GIC CPU IF to prevent wfi
139 * from completing execution behind power controller back
140 */
141 if (!skip_wfi)
142 gic_cpu_if_down();
143
134 if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) { 144 if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) {
135 arch_spin_unlock(&tc2_pm_lock); 145 arch_spin_unlock(&tc2_pm_lock);
136 146
@@ -231,7 +241,6 @@ static void tc2_pm_suspend(u64 residency)
231 cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); 241 cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
232 cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); 242 cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
233 ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point)); 243 ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point));
234 gic_cpu_if_down();
235 tc2_pm_down(residency); 244 tc2_pm_down(residency);
236} 245}
237 246
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f5e1a8471714..1272ed202dde 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1232,7 +1232,8 @@ __iommu_create_mapping(struct device *dev, struct page **pages, size_t size)
1232 break; 1232 break;
1233 1233
1234 len = (j - i) << PAGE_SHIFT; 1234 len = (j - i) << PAGE_SHIFT;
1235 ret = iommu_map(mapping->domain, iova, phys, len, 0); 1235 ret = iommu_map(mapping->domain, iova, phys, len,
1236 IOMMU_READ|IOMMU_WRITE);
1236 if (ret < 0) 1237 if (ret < 0)
1237 goto fail; 1238 goto fail;
1238 iova += len; 1239 iova += len;
@@ -1431,6 +1432,27 @@ static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt,
1431 GFP_KERNEL); 1432 GFP_KERNEL);
1432} 1433}
1433 1434
1435static int __dma_direction_to_prot(enum dma_data_direction dir)
1436{
1437 int prot;
1438
1439 switch (dir) {
1440 case DMA_BIDIRECTIONAL:
1441 prot = IOMMU_READ | IOMMU_WRITE;
1442 break;
1443 case DMA_TO_DEVICE:
1444 prot = IOMMU_READ;
1445 break;
1446 case DMA_FROM_DEVICE:
1447 prot = IOMMU_WRITE;
1448 break;
1449 default:
1450 prot = 0;
1451 }
1452
1453 return prot;
1454}
1455
1434/* 1456/*
1435 * Map a part of the scatter-gather list into contiguous io address space 1457 * Map a part of the scatter-gather list into contiguous io address space
1436 */ 1458 */
@@ -1444,6 +1466,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
1444 int ret = 0; 1466 int ret = 0;
1445 unsigned int count; 1467 unsigned int count;
1446 struct scatterlist *s; 1468 struct scatterlist *s;
1469 int prot;
1447 1470
1448 size = PAGE_ALIGN(size); 1471 size = PAGE_ALIGN(size);
1449 *handle = DMA_ERROR_CODE; 1472 *handle = DMA_ERROR_CODE;
@@ -1460,7 +1483,9 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
1460 !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) 1483 !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
1461 __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); 1484 __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir);
1462 1485
1463 ret = iommu_map(mapping->domain, iova, phys, len, 0); 1486 prot = __dma_direction_to_prot(dir);
1487
1488 ret = iommu_map(mapping->domain, iova, phys, len, prot);
1464 if (ret < 0) 1489 if (ret < 0)
1465 goto fail; 1490 goto fail;
1466 count += len >> PAGE_SHIFT; 1491 count += len >> PAGE_SHIFT;
@@ -1665,19 +1690,7 @@ static dma_addr_t arm_coherent_iommu_map_page(struct device *dev, struct page *p
1665 if (dma_addr == DMA_ERROR_CODE) 1690 if (dma_addr == DMA_ERROR_CODE)
1666 return dma_addr; 1691 return dma_addr;
1667 1692
1668 switch (dir) { 1693 prot = __dma_direction_to_prot(dir);
1669 case DMA_BIDIRECTIONAL:
1670 prot = IOMMU_READ | IOMMU_WRITE;
1671 break;
1672 case DMA_TO_DEVICE:
1673 prot = IOMMU_READ;
1674 break;
1675 case DMA_FROM_DEVICE:
1676 prot = IOMMU_WRITE;
1677 break;
1678 default:
1679 prot = 0;
1680 }
1681 1694
1682 ret = iommu_map(mapping->domain, dma_addr, page_to_phys(page), len, prot); 1695 ret = iommu_map(mapping->domain, dma_addr, page_to_phys(page), len, prot);
1683 if (ret < 0) 1696 if (ret < 0)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index febaee7ca57b..18ec4c504abf 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -17,7 +17,6 @@
17#include <linux/nodemask.h> 17#include <linux/nodemask.h>
18#include <linux/initrd.h> 18#include <linux/initrd.h>
19#include <linux/of_fdt.h> 19#include <linux/of_fdt.h>
20#include <linux/of_reserved_mem.h>
21#include <linux/highmem.h> 20#include <linux/highmem.h>
22#include <linux/gfp.h> 21#include <linux/gfp.h>
23#include <linux/memblock.h> 22#include <linux/memblock.h>
@@ -379,8 +378,6 @@ void __init arm_memblock_init(struct meminfo *mi,
379 if (mdesc->reserve) 378 if (mdesc->reserve)
380 mdesc->reserve(); 379 mdesc->reserve();
381 380
382 early_init_dt_scan_reserved_mem();
383
384 /* 381 /*
385 * reserve memory for DMA contigouos allocations, 382 * reserve memory for DMA contigouos allocations,
386 * must come from DMA area inside low memory 383 * must come from DMA area inside low memory
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index 1a6bfe954d49..835c559786bd 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -6,13 +6,6 @@ config FRAME_POINTER
6 bool 6 bool
7 default y 7 default y
8 8
9config DEBUG_STACK_USAGE
10 bool "Enable stack utilization instrumentation"
11 depends on DEBUG_KERNEL
12 help
13 Enables the display of the minimum amount of free stack which each
14 task has ever had available in the sysrq-T output.
15
16config EARLY_PRINTK 9config EARLY_PRINTK
17 bool "Early printk support" 10 bool "Early printk support"
18 default y 11 default y
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 5b3e83217b03..31c81e9b792e 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -42,7 +42,7 @@ CONFIG_IP_PNP_BOOTP=y
42# CONFIG_WIRELESS is not set 42# CONFIG_WIRELESS is not set
43CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 43CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
44CONFIG_DEVTMPFS=y 44CONFIG_DEVTMPFS=y
45# CONFIG_BLK_DEV is not set 45CONFIG_BLK_DEV=y
46CONFIG_SCSI=y 46CONFIG_SCSI=y
47# CONFIG_SCSI_PROC_FS is not set 47# CONFIG_SCSI_PROC_FS is not set
48CONFIG_BLK_DEV_SD=y 48CONFIG_BLK_DEV_SD=y
@@ -72,6 +72,7 @@ CONFIG_LOGO=y
72# CONFIG_IOMMU_SUPPORT is not set 72# CONFIG_IOMMU_SUPPORT is not set
73CONFIG_EXT2_FS=y 73CONFIG_EXT2_FS=y
74CONFIG_EXT3_FS=y 74CONFIG_EXT3_FS=y
75CONFIG_EXT4_FS=y
75# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set 76# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
76# CONFIG_EXT3_FS_XATTR is not set 77# CONFIG_EXT3_FS_XATTR is not set
77CONFIG_FUSE_FS=y 78CONFIG_FUSE_FS=y
@@ -90,3 +91,5 @@ CONFIG_DEBUG_KERNEL=y
90CONFIG_DEBUG_INFO=y 91CONFIG_DEBUG_INFO=y
91# CONFIG_FTRACE is not set 92# CONFIG_FTRACE is not set
92CONFIG_ATOMIC64_SELFTEST=y 93CONFIG_ATOMIC64_SELFTEST=y
94CONFIG_VIRTIO_MMIO=y
95CONFIG_VIRTIO_BLK=y
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index edb3d5c73a32..7ecc2b23882e 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -166,9 +166,10 @@ do { \
166 166
167#define get_user(x, ptr) \ 167#define get_user(x, ptr) \
168({ \ 168({ \
169 __typeof__(*(ptr)) __user *__p = (ptr); \
169 might_fault(); \ 170 might_fault(); \
170 access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \ 171 access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \
171 __get_user((x), (ptr)) : \ 172 __get_user((x), __p) : \
172 ((x) = 0, -EFAULT); \ 173 ((x) = 0, -EFAULT); \
173}) 174})
174 175
@@ -227,9 +228,10 @@ do { \
227 228
228#define put_user(x, ptr) \ 229#define put_user(x, ptr) \
229({ \ 230({ \
231 __typeof__(*(ptr)) __user *__p = (ptr); \
230 might_fault(); \ 232 might_fault(); \
231 access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \ 233 access_ok(VERIFY_WRITE, __p, sizeof(*__p)) ? \
232 __put_user((x), (ptr)) : \ 234 __put_user((x), __p) : \
233 -EFAULT; \ 235 -EFAULT; \
234}) 236})
235 237
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 1f2e4d5a5c0f..bb785d23dbde 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -80,8 +80,10 @@ void fpsimd_thread_switch(struct task_struct *next)
80 80
81void fpsimd_flush_thread(void) 81void fpsimd_flush_thread(void)
82{ 82{
83 preempt_disable();
83 memset(&current->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); 84 memset(&current->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
84 fpsimd_load_state(&current->thread.fpsimd_state); 85 fpsimd_load_state(&current->thread.fpsimd_state);
86 preempt_enable();
85} 87}
86 88
87#ifdef CONFIG_KERNEL_MODE_NEON 89#ifdef CONFIG_KERNEL_MODE_NEON
diff --git a/arch/arm64/mm/tlb.S b/arch/arm64/mm/tlb.S
index 8ae80a18e8ec..19da91e0cd27 100644
--- a/arch/arm64/mm/tlb.S
+++ b/arch/arm64/mm/tlb.S
@@ -35,7 +35,7 @@
35 */ 35 */
36ENTRY(__cpu_flush_user_tlb_range) 36ENTRY(__cpu_flush_user_tlb_range)
37 vma_vm_mm x3, x2 // get vma->vm_mm 37 vma_vm_mm x3, x2 // get vma->vm_mm
38 mmid x3, x3 // get vm_mm->context.id 38 mmid w3, x3 // get vm_mm->context.id
39 dsb sy 39 dsb sy
40 lsr x0, x0, #12 // align address 40 lsr x0, x0, #12 // align address
41 lsr x1, x1, #12 41 lsr x1, x1, #12
diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c
index 4a9baa9f6330..9969dbab19e3 100644
--- a/arch/mips/alchemy/board-mtx1.c
+++ b/arch/mips/alchemy/board-mtx1.c
@@ -276,7 +276,7 @@ static struct platform_device mtx1_pci_host = {
276 .resource = alchemy_pci_host_res, 276 .resource = alchemy_pci_host_res,
277}; 277};
278 278
279static struct __initdata platform_device * mtx1_devs[] = { 279static struct platform_device *mtx1_devs[] __initdata = {
280 &mtx1_pci_host, 280 &mtx1_pci_host,
281 &mtx1_gpio_leds, 281 &mtx1_gpio_leds,
282 &mtx1_wdt, 282 &mtx1_wdt,
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h
index 4d6d77ed9b9d..e194f957ca8c 100644
--- a/arch/mips/include/asm/jump_label.h
+++ b/arch/mips/include/asm/jump_label.h
@@ -22,7 +22,7 @@
22 22
23static __always_inline bool arch_static_branch(struct static_key *key) 23static __always_inline bool arch_static_branch(struct static_key *key)
24{ 24{
25 asm goto("1:\tnop\n\t" 25 asm_volatile_goto("1:\tnop\n\t"
26 "nop\n\t" 26 "nop\n\t"
27 ".pushsection __jump_table, \"aw\"\n\t" 27 ".pushsection __jump_table, \"aw\"\n\t"
28 WORD_INSN " 1b, %l[l_yes], %0\n\t" 28 WORD_INSN " 1b, %l[l_yes], %0\n\t"
diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S
index 4204d76af854..029e002a4ea0 100644
--- a/arch/mips/kernel/octeon_switch.S
+++ b/arch/mips/kernel/octeon_switch.S
@@ -73,7 +73,7 @@
733: 733:
74 74
75#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) 75#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
76 PTR_L t8, __stack_chk_guard 76 PTR_LA t8, __stack_chk_guard
77 LONG_L t9, TASK_STACK_CANARY(a1) 77 LONG_L t9, TASK_STACK_CANARY(a1)
78 LONG_S t9, 0(t8) 78 LONG_S t9, 0(t8)
79#endif 79#endif
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index 38af83f84c4a..20b7b040e76f 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -67,7 +67,7 @@ LEAF(resume)
671: 671:
68 68
69#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) 69#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
70 PTR_L t8, __stack_chk_guard 70 PTR_LA t8, __stack_chk_guard
71 LONG_L t9, TASK_STACK_CANARY(a1) 71 LONG_L t9, TASK_STACK_CANARY(a1)
72 LONG_S t9, 0(t8) 72 LONG_S t9, 0(t8)
73#endif 73#endif
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index 921238a6bd26..078de5eaca8f 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -69,7 +69,7 @@
691: 691:
70 70
71#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) 71#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
72 PTR_L t8, __stack_chk_guard 72 PTR_LA t8, __stack_chk_guard
73 LONG_L t9, TASK_STACK_CANARY(a1) 73 LONG_L t9, TASK_STACK_CANARY(a1)
74 LONG_S t9, 0(t8) 74 LONG_S t9, 0(t8)
75#endif 75#endif
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 627883bc6d5f..bc6f96fcb529 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -609,6 +609,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
609 r4k_blast_scache(); 609 r4k_blast_scache();
610 else 610 else
611 blast_scache_range(addr, addr + size); 611 blast_scache_range(addr, addr + size);
612 preempt_enable();
612 __sync(); 613 __sync();
613 return; 614 return;
614 } 615 }
@@ -650,6 +651,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
650 */ 651 */
651 blast_inv_scache_range(addr, addr + size); 652 blast_inv_scache_range(addr, addr + size);
652 } 653 }
654 preempt_enable();
653 __sync(); 655 __sync();
654 return; 656 return;
655 } 657 }
diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig
index 0f90569b9d85..9387cc2693f6 100644
--- a/arch/parisc/configs/712_defconfig
+++ b/arch/parisc/configs/712_defconfig
@@ -40,6 +40,8 @@ CONFIG_IP_NF_QUEUE=m
40CONFIG_LLC2=m 40CONFIG_LLC2=m
41CONFIG_NET_PKTGEN=m 41CONFIG_NET_PKTGEN=m
42CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 42CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
43CONFIG_DEVTMPFS=y
44CONFIG_DEVTMPFS_MOUNT=y
43# CONFIG_STANDALONE is not set 45# CONFIG_STANDALONE is not set
44# CONFIG_PREVENT_FIRMWARE_BUILD is not set 46# CONFIG_PREVENT_FIRMWARE_BUILD is not set
45CONFIG_PARPORT=y 47CONFIG_PARPORT=y
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index b647b182dacc..90025322b75e 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -79,6 +79,8 @@ CONFIG_IP_DCCP=m
79CONFIG_LLC2=m 79CONFIG_LLC2=m
80CONFIG_NET_PKTGEN=m 80CONFIG_NET_PKTGEN=m
81CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 81CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
82CONFIG_DEVTMPFS=y
83CONFIG_DEVTMPFS_MOUNT=y
82# CONFIG_STANDALONE is not set 84# CONFIG_STANDALONE is not set
83# CONFIG_PREVENT_FIRMWARE_BUILD is not set 85# CONFIG_PREVENT_FIRMWARE_BUILD is not set
84CONFIG_BLK_DEV_UMEM=m 86CONFIG_BLK_DEV_UMEM=m
diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig
index e289f5bf3148..f1a0c25bef8d 100644
--- a/arch/parisc/configs/b180_defconfig
+++ b/arch/parisc/configs/b180_defconfig
@@ -4,6 +4,7 @@ CONFIG_IKCONFIG=y
4CONFIG_IKCONFIG_PROC=y 4CONFIG_IKCONFIG_PROC=y
5CONFIG_LOG_BUF_SHIFT=16 5CONFIG_LOG_BUF_SHIFT=16
6CONFIG_SYSFS_DEPRECATED_V2=y 6CONFIG_SYSFS_DEPRECATED_V2=y
7CONFIG_BLK_DEV_INITRD=y
7CONFIG_SLAB=y 8CONFIG_SLAB=y
8CONFIG_MODULES=y 9CONFIG_MODULES=y
9CONFIG_MODVERSIONS=y 10CONFIG_MODVERSIONS=y
@@ -27,6 +28,8 @@ CONFIG_IP_PNP_BOOTP=y
27# CONFIG_INET_LRO is not set 28# CONFIG_INET_LRO is not set
28CONFIG_IPV6=y 29CONFIG_IPV6=y
29CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 30CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
31CONFIG_DEVTMPFS=y
32CONFIG_DEVTMPFS_MOUNT=y
30# CONFIG_PREVENT_FIRMWARE_BUILD is not set 33# CONFIG_PREVENT_FIRMWARE_BUILD is not set
31CONFIG_PARPORT=y 34CONFIG_PARPORT=y
32CONFIG_PARPORT_PC=y 35CONFIG_PARPORT_PC=y
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index 311ca367b622..ec1b014952b6 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -5,6 +5,7 @@ CONFIG_IKCONFIG=y
5CONFIG_IKCONFIG_PROC=y 5CONFIG_IKCONFIG_PROC=y
6CONFIG_LOG_BUF_SHIFT=16 6CONFIG_LOG_BUF_SHIFT=16
7CONFIG_SYSFS_DEPRECATED_V2=y 7CONFIG_SYSFS_DEPRECATED_V2=y
8CONFIG_BLK_DEV_INITRD=y
8# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set 9# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
9CONFIG_EXPERT=y 10CONFIG_EXPERT=y
10CONFIG_KALLSYMS_ALL=y 11CONFIG_KALLSYMS_ALL=y
@@ -39,6 +40,8 @@ CONFIG_NETFILTER_DEBUG=y
39CONFIG_IP_NF_QUEUE=m 40CONFIG_IP_NF_QUEUE=m
40CONFIG_NET_PKTGEN=m 41CONFIG_NET_PKTGEN=m
41CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 42CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
43CONFIG_DEVTMPFS=y
44CONFIG_DEVTMPFS_MOUNT=y
42# CONFIG_STANDALONE is not set 45# CONFIG_STANDALONE is not set
43# CONFIG_PREVENT_FIRMWARE_BUILD is not set 46# CONFIG_PREVENT_FIRMWARE_BUILD is not set
44CONFIG_BLK_DEV_UMEM=m 47CONFIG_BLK_DEV_UMEM=m
diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig
index f11006361297..e1c8d2015c89 100644
--- a/arch/parisc/configs/c8000_defconfig
+++ b/arch/parisc/configs/c8000_defconfig
@@ -62,6 +62,8 @@ CONFIG_TIPC=m
62CONFIG_LLC2=m 62CONFIG_LLC2=m
63CONFIG_DNS_RESOLVER=y 63CONFIG_DNS_RESOLVER=y
64CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 64CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
65CONFIG_DEVTMPFS=y
66CONFIG_DEVTMPFS_MOUNT=y
65# CONFIG_STANDALONE is not set 67# CONFIG_STANDALONE is not set
66CONFIG_PARPORT=y 68CONFIG_PARPORT=y
67CONFIG_PARPORT_PC=y 69CONFIG_PARPORT_PC=y
diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig
index dfe88f6c95c4..ba61495e1fa4 100644
--- a/arch/parisc/configs/default_defconfig
+++ b/arch/parisc/configs/default_defconfig
@@ -49,6 +49,8 @@ CONFIG_INET6_ESP=y
49CONFIG_INET6_IPCOMP=y 49CONFIG_INET6_IPCOMP=y
50CONFIG_LLC2=m 50CONFIG_LLC2=m
51CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 51CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
52CONFIG_DEVTMPFS=y
53CONFIG_DEVTMPFS_MOUNT=y
52# CONFIG_STANDALONE is not set 54# CONFIG_STANDALONE is not set
53# CONFIG_PREVENT_FIRMWARE_BUILD is not set 55# CONFIG_PREVENT_FIRMWARE_BUILD is not set
54CONFIG_PARPORT=y 56CONFIG_PARPORT=y
diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h
index 1945f995f2df..4736020ba5ea 100644
--- a/arch/parisc/include/asm/traps.h
+++ b/arch/parisc/include/asm/traps.h
@@ -6,7 +6,7 @@ struct pt_regs;
6 6
7/* traps.c */ 7/* traps.c */
8void parisc_terminate(char *msg, struct pt_regs *regs, 8void parisc_terminate(char *msg, struct pt_regs *regs,
9 int code, unsigned long offset); 9 int code, unsigned long offset) __noreturn __cold;
10 10
11/* mm/fault.c */ 11/* mm/fault.c */
12void do_page_fault(struct pt_regs *regs, unsigned long code, 12void do_page_fault(struct pt_regs *regs, unsigned long code,
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 8a252f2d6c08..2b96602e812f 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -72,7 +72,6 @@ enum ipi_message_type {
72 IPI_NOP=0, 72 IPI_NOP=0,
73 IPI_RESCHEDULE=1, 73 IPI_RESCHEDULE=1,
74 IPI_CALL_FUNC, 74 IPI_CALL_FUNC,
75 IPI_CALL_FUNC_SINGLE,
76 IPI_CPU_START, 75 IPI_CPU_START,
77 IPI_CPU_STOP, 76 IPI_CPU_STOP,
78 IPI_CPU_TEST 77 IPI_CPU_TEST
@@ -164,11 +163,6 @@ ipi_interrupt(int irq, void *dev_id)
164 generic_smp_call_function_interrupt(); 163 generic_smp_call_function_interrupt();
165 break; 164 break;
166 165
167 case IPI_CALL_FUNC_SINGLE:
168 smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu);
169 generic_smp_call_function_single_interrupt();
170 break;
171
172 case IPI_CPU_START: 166 case IPI_CPU_START:
173 smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu); 167 smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu);
174 break; 168 break;
@@ -260,7 +254,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
260 254
261void arch_send_call_function_single_ipi(int cpu) 255void arch_send_call_function_single_ipi(int cpu)
262{ 256{
263 send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE); 257 send_IPI_single(cpu, IPI_CALL_FUNC);
264} 258}
265 259
266/* 260/*
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 04e47c6a4562..1cd1d0c83b6d 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -291,11 +291,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
291 do_exit(SIGSEGV); 291 do_exit(SIGSEGV);
292} 292}
293 293
294int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs)
295{
296 return syscall(regs);
297}
298
299/* gdb uses break 4,8 */ 294/* gdb uses break 4,8 */
300#define GDB_BREAK_INSN 0x10004 295#define GDB_BREAK_INSN 0x10004
301static void handle_gdb_break(struct pt_regs *regs, int wot) 296static void handle_gdb_break(struct pt_regs *regs, int wot)
@@ -805,14 +800,14 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
805 else { 800 else {
806 801
807 /* 802 /*
808 * The kernel should never fault on its own address space. 803 * The kernel should never fault on its own address space,
804 * unless pagefault_disable() was called before.
809 */ 805 */
810 806
811 if (fault_space == 0) 807 if (fault_space == 0 && !in_atomic())
812 { 808 {
813 pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC); 809 pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC);
814 parisc_terminate("Kernel Fault", regs, code, fault_address); 810 parisc_terminate("Kernel Fault", regs, code, fault_address);
815
816 } 811 }
817 } 812 }
818 813
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index ac4370b1ca40..b5507ec06b84 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -56,7 +56,7 @@
56#ifdef __KERNEL__ 56#ifdef __KERNEL__
57#include <linux/module.h> 57#include <linux/module.h>
58#include <linux/compiler.h> 58#include <linux/compiler.h>
59#include <asm/uaccess.h> 59#include <linux/uaccess.h>
60#define s_space "%%sr1" 60#define s_space "%%sr1"
61#define d_space "%%sr2" 61#define d_space "%%sr2"
62#else 62#else
@@ -524,4 +524,17 @@ EXPORT_SYMBOL(copy_to_user);
524EXPORT_SYMBOL(copy_from_user); 524EXPORT_SYMBOL(copy_from_user);
525EXPORT_SYMBOL(copy_in_user); 525EXPORT_SYMBOL(copy_in_user);
526EXPORT_SYMBOL(memcpy); 526EXPORT_SYMBOL(memcpy);
527
528long probe_kernel_read(void *dst, const void *src, size_t size)
529{
530 unsigned long addr = (unsigned long)src;
531
532 if (size < 0 || addr < PAGE_SIZE)
533 return -EFAULT;
534
535 /* check for I/O space F_EXTEND(0xfff00000) access as well? */
536
537 return __probe_kernel_read(dst, src, size);
538}
539
527#endif 540#endif
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 00c0ed333a3d..0293588d5b8c 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -171,20 +171,25 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
171 unsigned long address) 171 unsigned long address)
172{ 172{
173 struct vm_area_struct *vma, *prev_vma; 173 struct vm_area_struct *vma, *prev_vma;
174 struct task_struct *tsk = current; 174 struct task_struct *tsk;
175 struct mm_struct *mm = tsk->mm; 175 struct mm_struct *mm;
176 unsigned long acc_type; 176 unsigned long acc_type;
177 int fault; 177 int fault;
178 unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; 178 unsigned int flags;
179 179
180 if (in_atomic() || !mm) 180 if (in_atomic())
181 goto no_context; 181 goto no_context;
182 182
183 tsk = current;
184 mm = tsk->mm;
185 if (!mm)
186 goto no_context;
187
188 flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
183 if (user_mode(regs)) 189 if (user_mode(regs))
184 flags |= FAULT_FLAG_USER; 190 flags |= FAULT_FLAG_USER;
185 191
186 acc_type = parisc_acctyp(code, regs->iir); 192 acc_type = parisc_acctyp(code, regs->iir);
187
188 if (acc_type & VM_WRITE) 193 if (acc_type & VM_WRITE)
189 flags |= FAULT_FLAG_WRITE; 194 flags |= FAULT_FLAG_WRITE;
190retry: 195retry:
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h
index ae098c438f00..f016bb699b5f 100644
--- a/arch/powerpc/include/asm/jump_label.h
+++ b/arch/powerpc/include/asm/jump_label.h
@@ -19,7 +19,7 @@
19 19
20static __always_inline bool arch_static_branch(struct static_key *key) 20static __always_inline bool arch_static_branch(struct static_key *key)
21{ 21{
22 asm goto("1:\n\t" 22 asm_volatile_goto("1:\n\t"
23 "nop\n\t" 23 "nop\n\t"
24 ".pushsection __jump_table, \"aw\"\n\t" 24 ".pushsection __jump_table, \"aw\"\n\t"
25 JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" 25 JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t"
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 0adab06ce5c0..572bb5b95f35 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -661,7 +661,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
661 /* number of bytes needed for the bitmap */ 661 /* number of bytes needed for the bitmap */
662 sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); 662 sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
663 663
664 page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz)); 664 page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz));
665 if (!page) 665 if (!page)
666 panic("iommu_init_table: Can't allocate %ld bytes\n", sz); 666 panic("iommu_init_table: Can't allocate %ld bytes\n", sz);
667 tbl->it_map = page_address(page); 667 tbl->it_map = page_address(page);
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 57d286a78f86..c7cb8c232d2f 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -495,14 +495,15 @@ void __do_irq(struct pt_regs *regs)
495void do_IRQ(struct pt_regs *regs) 495void do_IRQ(struct pt_regs *regs)
496{ 496{
497 struct pt_regs *old_regs = set_irq_regs(regs); 497 struct pt_regs *old_regs = set_irq_regs(regs);
498 struct thread_info *curtp, *irqtp; 498 struct thread_info *curtp, *irqtp, *sirqtp;
499 499
500 /* Switch to the irq stack to handle this */ 500 /* Switch to the irq stack to handle this */
501 curtp = current_thread_info(); 501 curtp = current_thread_info();
502 irqtp = hardirq_ctx[raw_smp_processor_id()]; 502 irqtp = hardirq_ctx[raw_smp_processor_id()];
503 sirqtp = softirq_ctx[raw_smp_processor_id()];
503 504
504 /* Already there ? */ 505 /* Already there ? */
505 if (unlikely(curtp == irqtp)) { 506 if (unlikely(curtp == irqtp || curtp == sirqtp)) {
506 __do_irq(regs); 507 __do_irq(regs);
507 set_irq_regs(old_regs); 508 set_irq_regs(old_regs);
508 return; 509 return;
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 27a90b99ef67..b4e667663d9b 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -17,6 +17,7 @@
17#include <asm/machdep.h> 17#include <asm/machdep.h>
18#include <asm/smp.h> 18#include <asm/smp.h>
19#include <asm/pmc.h> 19#include <asm/pmc.h>
20#include <asm/firmware.h>
20 21
21#include "cacheinfo.h" 22#include "cacheinfo.h"
22 23
@@ -179,15 +180,25 @@ SYSFS_PMCSETUP(spurr, SPRN_SPURR);
179SYSFS_PMCSETUP(dscr, SPRN_DSCR); 180SYSFS_PMCSETUP(dscr, SPRN_DSCR);
180SYSFS_PMCSETUP(pir, SPRN_PIR); 181SYSFS_PMCSETUP(pir, SPRN_PIR);
181 182
183/*
184 Lets only enable read for phyp resources and
185 enable write when needed with a separate function.
186 Lets be conservative and default to pseries.
187*/
182static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra); 188static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
183static DEVICE_ATTR(spurr, 0400, show_spurr, NULL); 189static DEVICE_ATTR(spurr, 0400, show_spurr, NULL);
184static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr); 190static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr);
185static DEVICE_ATTR(purr, 0600, show_purr, store_purr); 191static DEVICE_ATTR(purr, 0400, show_purr, store_purr);
186static DEVICE_ATTR(pir, 0400, show_pir, NULL); 192static DEVICE_ATTR(pir, 0400, show_pir, NULL);
187 193
188unsigned long dscr_default = 0; 194unsigned long dscr_default = 0;
189EXPORT_SYMBOL(dscr_default); 195EXPORT_SYMBOL(dscr_default);
190 196
197static void add_write_permission_dev_attr(struct device_attribute *attr)
198{
199 attr->attr.mode |= 0200;
200}
201
191static ssize_t show_dscr_default(struct device *dev, 202static ssize_t show_dscr_default(struct device *dev,
192 struct device_attribute *attr, char *buf) 203 struct device_attribute *attr, char *buf)
193{ 204{
@@ -394,8 +405,11 @@ static void register_cpu_online(unsigned int cpu)
394 if (cpu_has_feature(CPU_FTR_MMCRA)) 405 if (cpu_has_feature(CPU_FTR_MMCRA))
395 device_create_file(s, &dev_attr_mmcra); 406 device_create_file(s, &dev_attr_mmcra);
396 407
397 if (cpu_has_feature(CPU_FTR_PURR)) 408 if (cpu_has_feature(CPU_FTR_PURR)) {
409 if (!firmware_has_feature(FW_FEATURE_LPAR))
410 add_write_permission_dev_attr(&dev_attr_purr);
398 device_create_file(s, &dev_attr_purr); 411 device_create_file(s, &dev_attr_purr);
412 }
399 413
400 if (cpu_has_feature(CPU_FTR_SPURR)) 414 if (cpu_has_feature(CPU_FTR_SPURR))
401 device_create_file(s, &dev_attr_spurr); 415 device_create_file(s, &dev_attr_spurr);
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 7b60b9851469..cd809eaa8b5c 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -79,6 +79,11 @@ _GLOBAL(tm_abort)
79 TABORT(R3) 79 TABORT(R3)
80 blr 80 blr
81 81
82 .section ".toc","aw"
83DSCR_DEFAULT:
84 .tc dscr_default[TC],dscr_default
85
86 .section ".text"
82 87
83/* void tm_reclaim(struct thread_struct *thread, 88/* void tm_reclaim(struct thread_struct *thread,
84 * unsigned long orig_msr, 89 * unsigned long orig_msr,
@@ -123,6 +128,7 @@ _GLOBAL(tm_reclaim)
123 mr r15, r14 128 mr r15, r14
124 ori r15, r15, MSR_FP 129 ori r15, r15, MSR_FP
125 li r16, MSR_RI 130 li r16, MSR_RI
131 ori r16, r16, MSR_EE /* IRQs hard off */
126 andc r15, r15, r16 132 andc r15, r15, r16
127 oris r15, r15, MSR_VEC@h 133 oris r15, r15, MSR_VEC@h
128#ifdef CONFIG_VSX 134#ifdef CONFIG_VSX
@@ -187,11 +193,18 @@ dont_backup_fp:
187 std r1, PACATMSCRATCH(r13) 193 std r1, PACATMSCRATCH(r13)
188 ld r1, PACAR1(r13) 194 ld r1, PACAR1(r13)
189 195
196 /* Store the PPR in r11 and reset to decent value */
197 std r11, GPR11(r1) /* Temporary stash */
198 mfspr r11, SPRN_PPR
199 HMT_MEDIUM
200
190 /* Now get some more GPRS free */ 201 /* Now get some more GPRS free */
191 std r7, GPR7(r1) /* Temporary stash */ 202 std r7, GPR7(r1) /* Temporary stash */
192 std r12, GPR12(r1) /* '' '' '' */ 203 std r12, GPR12(r1) /* '' '' '' */
193 ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */ 204 ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */
194 205
206 std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */
207
195 addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */ 208 addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */
196 209
197 /* Make r7 look like an exception frame so that we 210 /* Make r7 look like an exception frame so that we
@@ -203,15 +216,19 @@ dont_backup_fp:
203 SAVE_GPR(0, r7) /* user r0 */ 216 SAVE_GPR(0, r7) /* user r0 */
204 SAVE_GPR(2, r7) /* user r2 */ 217 SAVE_GPR(2, r7) /* user r2 */
205 SAVE_4GPRS(3, r7) /* user r3-r6 */ 218 SAVE_4GPRS(3, r7) /* user r3-r6 */
206 SAVE_4GPRS(8, r7) /* user r8-r11 */ 219 SAVE_GPR(8, r7) /* user r8 */
220 SAVE_GPR(9, r7) /* user r9 */
221 SAVE_GPR(10, r7) /* user r10 */
207 ld r3, PACATMSCRATCH(r13) /* user r1 */ 222 ld r3, PACATMSCRATCH(r13) /* user r1 */
208 ld r4, GPR7(r1) /* user r7 */ 223 ld r4, GPR7(r1) /* user r7 */
209 ld r5, GPR12(r1) /* user r12 */ 224 ld r5, GPR11(r1) /* user r11 */
210 GET_SCRATCH0(6) /* user r13 */ 225 ld r6, GPR12(r1) /* user r12 */
226 GET_SCRATCH0(8) /* user r13 */
211 std r3, GPR1(r7) 227 std r3, GPR1(r7)
212 std r4, GPR7(r7) 228 std r4, GPR7(r7)
213 std r5, GPR12(r7) 229 std r5, GPR11(r7)
214 std r6, GPR13(r7) 230 std r6, GPR12(r7)
231 std r8, GPR13(r7)
215 232
216 SAVE_NVGPRS(r7) /* user r14-r31 */ 233 SAVE_NVGPRS(r7) /* user r14-r31 */
217 234
@@ -234,14 +251,12 @@ dont_backup_fp:
234 std r6, _XER(r7) 251 std r6, _XER(r7)
235 252
236 253
237 /* ******************** TAR, PPR, DSCR ********** */ 254 /* ******************** TAR, DSCR ********** */
238 mfspr r3, SPRN_TAR 255 mfspr r3, SPRN_TAR
239 mfspr r4, SPRN_PPR 256 mfspr r4, SPRN_DSCR
240 mfspr r5, SPRN_DSCR
241 257
242 std r3, THREAD_TM_TAR(r12) 258 std r3, THREAD_TM_TAR(r12)
243 std r4, THREAD_TM_PPR(r12) 259 std r4, THREAD_TM_DSCR(r12)
244 std r5, THREAD_TM_DSCR(r12)
245 260
246 /* MSR and flags: We don't change CRs, and we don't need to alter 261 /* MSR and flags: We don't change CRs, and we don't need to alter
247 * MSR. 262 * MSR.
@@ -258,7 +273,7 @@ dont_backup_fp:
258 std r3, THREAD_TM_TFHAR(r12) 273 std r3, THREAD_TM_TFHAR(r12)
259 std r4, THREAD_TM_TFIAR(r12) 274 std r4, THREAD_TM_TFIAR(r12)
260 275
261 /* AMR and PPR are checkpointed too, but are unsupported by Linux. */ 276 /* AMR is checkpointed too, but is unsupported by Linux. */
262 277
263 /* Restore original MSR/IRQ state & clear TM mode */ 278 /* Restore original MSR/IRQ state & clear TM mode */
264 ld r14, TM_FRAME_L0(r1) /* Orig MSR */ 279 ld r14, TM_FRAME_L0(r1) /* Orig MSR */
@@ -274,6 +289,12 @@ dont_backup_fp:
274 mtcr r4 289 mtcr r4
275 mtlr r0 290 mtlr r0
276 ld r2, 40(r1) 291 ld r2, 40(r1)
292
293 /* Load system default DSCR */
294 ld r4, DSCR_DEFAULT@toc(r2)
295 ld r0, 0(r4)
296 mtspr SPRN_DSCR, r0
297
277 blr 298 blr
278 299
279 300
@@ -358,25 +379,24 @@ dont_restore_fp:
358 379
359restore_gprs: 380restore_gprs:
360 381
361 /* ******************** TAR, PPR, DSCR ********** */ 382 /* ******************** CR,LR,CCR,MSR ********** */
362 ld r4, THREAD_TM_TAR(r3) 383 ld r4, _CTR(r7)
363 ld r5, THREAD_TM_PPR(r3) 384 ld r5, _LINK(r7)
364 ld r6, THREAD_TM_DSCR(r3) 385 ld r6, _CCR(r7)
386 ld r8, _XER(r7)
365 387
366 mtspr SPRN_TAR, r4 388 mtctr r4
367 mtspr SPRN_PPR, r5 389 mtlr r5
368 mtspr SPRN_DSCR, r6 390 mtcr r6
391 mtxer r8
369 392
370 /* ******************** CR,LR,CCR,MSR ********** */ 393 /* ******************** TAR ******************** */
371 ld r3, _CTR(r7) 394 ld r4, THREAD_TM_TAR(r3)
372 ld r4, _LINK(r7) 395 mtspr SPRN_TAR, r4
373 ld r5, _CCR(r7)
374 ld r6, _XER(r7)
375 396
376 mtctr r3 397 /* Load up the PPR and DSCR in GPRs only at this stage */
377 mtlr r4 398 ld r5, THREAD_TM_DSCR(r3)
378 mtcr r5 399 ld r6, THREAD_TM_PPR(r3)
379 mtxer r6
380 400
381 /* Clear the MSR RI since we are about to change R1. EE is already off 401 /* Clear the MSR RI since we are about to change R1. EE is already off
382 */ 402 */
@@ -384,19 +404,26 @@ restore_gprs:
384 mtmsrd r4, 1 404 mtmsrd r4, 1
385 405
386 REST_4GPRS(0, r7) /* GPR0-3 */ 406 REST_4GPRS(0, r7) /* GPR0-3 */
387 REST_GPR(4, r7) /* GPR4-6 */ 407 REST_GPR(4, r7) /* GPR4 */
388 REST_GPR(5, r7)
389 REST_GPR(6, r7)
390 REST_4GPRS(8, r7) /* GPR8-11 */ 408 REST_4GPRS(8, r7) /* GPR8-11 */
391 REST_2GPRS(12, r7) /* GPR12-13 */ 409 REST_2GPRS(12, r7) /* GPR12-13 */
392 410
393 REST_NVGPRS(r7) /* GPR14-31 */ 411 REST_NVGPRS(r7) /* GPR14-31 */
394 412
395 ld r7, GPR7(r7) /* GPR7 */ 413 /* Load up PPR and DSCR here so we don't run with user values for long
414 */
415 mtspr SPRN_DSCR, r5
416 mtspr SPRN_PPR, r6
417
418 REST_GPR(5, r7) /* GPR5-7 */
419 REST_GPR(6, r7)
420 ld r7, GPR7(r7)
396 421
397 /* Commit register state as checkpointed state: */ 422 /* Commit register state as checkpointed state: */
398 TRECHKPT 423 TRECHKPT
399 424
425 HMT_MEDIUM
426
400 /* Our transactional state has now changed. 427 /* Our transactional state has now changed.
401 * 428 *
402 * Now just get out of here. Transactional (current) state will be 429 * Now just get out of here. Transactional (current) state will be
@@ -419,6 +446,12 @@ restore_gprs:
419 mtcr r4 446 mtcr r4
420 mtlr r0 447 mtlr r0
421 ld r2, 40(r1) 448 ld r2, 40(r1)
449
450 /* Load system default DSCR */
451 ld r4, DSCR_DEFAULT@toc(r2)
452 ld r0, 0(r4)
453 mtspr SPRN_DSCR, r0
454
422 blr 455 blr
423 456
424 /* ****************************************************************** */ 457 /* ****************************************************************** */
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 78a350670de3..d38cc08b16c7 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1530,11 +1530,15 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
1530 const char *cp; 1530 const char *cp;
1531 1531
1532 dn = dev->of_node; 1532 dn = dev->of_node;
1533 if (!dn) 1533 if (!dn) {
1534 return -ENODEV; 1534 strcat(buf, "\n");
1535 return strlen(buf);
1536 }
1535 cp = of_get_property(dn, "compatible", NULL); 1537 cp = of_get_property(dn, "compatible", NULL);
1536 if (!cp) 1538 if (!cp) {
1537 return -ENODEV; 1539 strcat(buf, "\n");
1540 return strlen(buf);
1541 }
1538 1542
1539 return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp); 1543 return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp);
1540} 1544}
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 294b7af28cdd..c71103b8a748 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1066,7 +1066,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
1066BEGIN_FTR_SECTION 1066BEGIN_FTR_SECTION
1067 mfspr r8, SPRN_DSCR 1067 mfspr r8, SPRN_DSCR
1068 ld r7, HSTATE_DSCR(r13) 1068 ld r7, HSTATE_DSCR(r13)
1069 std r8, VCPU_DSCR(r7) 1069 std r8, VCPU_DSCR(r9)
1070 mtspr SPRN_DSCR, r7 1070 mtspr SPRN_DSCR, r7
1071END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) 1071END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
1072 1072
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index 1c6a9d729df4..c65593abae8e 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -332,6 +332,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
332 unsigned long hva; 332 unsigned long hva;
333 int pfnmap = 0; 333 int pfnmap = 0;
334 int tsize = BOOK3E_PAGESZ_4K; 334 int tsize = BOOK3E_PAGESZ_4K;
335 int ret = 0;
336 unsigned long mmu_seq;
337 struct kvm *kvm = vcpu_e500->vcpu.kvm;
338
339 /* used to check for invalidations in progress */
340 mmu_seq = kvm->mmu_notifier_seq;
341 smp_rmb();
335 342
336 /* 343 /*
337 * Translate guest physical to true physical, acquiring 344 * Translate guest physical to true physical, acquiring
@@ -449,6 +456,12 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
449 gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1); 456 gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
450 } 457 }
451 458
459 spin_lock(&kvm->mmu_lock);
460 if (mmu_notifier_retry(kvm, mmu_seq)) {
461 ret = -EAGAIN;
462 goto out;
463 }
464
452 kvmppc_e500_ref_setup(ref, gtlbe, pfn); 465 kvmppc_e500_ref_setup(ref, gtlbe, pfn);
453 466
454 kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize, 467 kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
@@ -457,10 +470,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
457 /* Clear i-cache for new pages */ 470 /* Clear i-cache for new pages */
458 kvmppc_mmu_flush_icache(pfn); 471 kvmppc_mmu_flush_icache(pfn);
459 472
473out:
474 spin_unlock(&kvm->mmu_lock);
475
460 /* Drop refcount on page, so that mmu notifiers can clear it */ 476 /* Drop refcount on page, so that mmu notifiers can clear it */
461 kvm_release_pfn_clean(pfn); 477 kvm_release_pfn_clean(pfn);
462 478
463 return 0; 479 return ret;
464} 480}
465 481
466/* XXX only map the one-one case, for now use TLB0 */ 482/* XXX only map the one-one case, for now use TLB0 */
diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S
index 167f72555d60..57a072065057 100644
--- a/arch/powerpc/lib/checksum_64.S
+++ b/arch/powerpc/lib/checksum_64.S
@@ -226,19 +226,35 @@ _GLOBAL(csum_partial)
226 blr 226 blr
227 227
228 228
229 .macro source 229 .macro srcnr
230100: 230100:
231 .section __ex_table,"a" 231 .section __ex_table,"a"
232 .align 3 232 .align 3
233 .llong 100b,.Lsrc_error 233 .llong 100b,.Lsrc_error_nr
234 .previous 234 .previous
235 .endm 235 .endm
236 236
237 .macro dest 237 .macro source
238150:
239 .section __ex_table,"a"
240 .align 3
241 .llong 150b,.Lsrc_error
242 .previous
243 .endm
244
245 .macro dstnr
238200: 246200:
239 .section __ex_table,"a" 247 .section __ex_table,"a"
240 .align 3 248 .align 3
241 .llong 200b,.Ldest_error 249 .llong 200b,.Ldest_error_nr
250 .previous
251 .endm
252
253 .macro dest
254250:
255 .section __ex_table,"a"
256 .align 3
257 .llong 250b,.Ldest_error
242 .previous 258 .previous
243 .endm 259 .endm
244 260
@@ -269,16 +285,16 @@ _GLOBAL(csum_partial_copy_generic)
269 rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */ 285 rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */
270 beq .Lcopy_aligned 286 beq .Lcopy_aligned
271 287
272 li r7,4 288 li r9,4
273 sub r6,r7,r6 289 sub r6,r9,r6
274 mtctr r6 290 mtctr r6
275 291
2761: 2921:
277source; lhz r6,0(r3) /* align to doubleword */ 293srcnr; lhz r6,0(r3) /* align to doubleword */
278 subi r5,r5,2 294 subi r5,r5,2
279 addi r3,r3,2 295 addi r3,r3,2
280 adde r0,r0,r6 296 adde r0,r0,r6
281dest; sth r6,0(r4) 297dstnr; sth r6,0(r4)
282 addi r4,r4,2 298 addi r4,r4,2
283 bdnz 1b 299 bdnz 1b
284 300
@@ -392,10 +408,10 @@ dest; std r16,56(r4)
392 408
393 mtctr r6 409 mtctr r6
3943: 4103:
395source; ld r6,0(r3) 411srcnr; ld r6,0(r3)
396 addi r3,r3,8 412 addi r3,r3,8
397 adde r0,r0,r6 413 adde r0,r0,r6
398dest; std r6,0(r4) 414dstnr; std r6,0(r4)
399 addi r4,r4,8 415 addi r4,r4,8
400 bdnz 3b 416 bdnz 3b
401 417
@@ -405,10 +421,10 @@ dest; std r6,0(r4)
405 srdi. r6,r5,2 421 srdi. r6,r5,2
406 beq .Lcopy_tail_halfword 422 beq .Lcopy_tail_halfword
407 423
408source; lwz r6,0(r3) 424srcnr; lwz r6,0(r3)
409 addi r3,r3,4 425 addi r3,r3,4
410 adde r0,r0,r6 426 adde r0,r0,r6
411dest; stw r6,0(r4) 427dstnr; stw r6,0(r4)
412 addi r4,r4,4 428 addi r4,r4,4
413 subi r5,r5,4 429 subi r5,r5,4
414 430
@@ -416,10 +432,10 @@ dest; stw r6,0(r4)
416 srdi. r6,r5,1 432 srdi. r6,r5,1
417 beq .Lcopy_tail_byte 433 beq .Lcopy_tail_byte
418 434
419source; lhz r6,0(r3) 435srcnr; lhz r6,0(r3)
420 addi r3,r3,2 436 addi r3,r3,2
421 adde r0,r0,r6 437 adde r0,r0,r6
422dest; sth r6,0(r4) 438dstnr; sth r6,0(r4)
423 addi r4,r4,2 439 addi r4,r4,2
424 subi r5,r5,2 440 subi r5,r5,2
425 441
@@ -427,10 +443,10 @@ dest; sth r6,0(r4)
427 andi. r6,r5,1 443 andi. r6,r5,1
428 beq .Lcopy_finish 444 beq .Lcopy_finish
429 445
430source; lbz r6,0(r3) 446srcnr; lbz r6,0(r3)
431 sldi r9,r6,8 /* Pad the byte out to 16 bits */ 447 sldi r9,r6,8 /* Pad the byte out to 16 bits */
432 adde r0,r0,r9 448 adde r0,r0,r9
433dest; stb r6,0(r4) 449dstnr; stb r6,0(r4)
434 450
435.Lcopy_finish: 451.Lcopy_finish:
436 addze r0,r0 /* add in final carry */ 452 addze r0,r0 /* add in final carry */
@@ -440,6 +456,11 @@ dest; stb r6,0(r4)
440 blr 456 blr
441 457
442.Lsrc_error: 458.Lsrc_error:
459 ld r14,STK_REG(R14)(r1)
460 ld r15,STK_REG(R15)(r1)
461 ld r16,STK_REG(R16)(r1)
462 addi r1,r1,STACKFRAMESIZE
463.Lsrc_error_nr:
443 cmpdi 0,r7,0 464 cmpdi 0,r7,0
444 beqlr 465 beqlr
445 li r6,-EFAULT 466 li r6,-EFAULT
@@ -447,6 +468,11 @@ dest; stb r6,0(r4)
447 blr 468 blr
448 469
449.Ldest_error: 470.Ldest_error:
471 ld r14,STK_REG(R14)(r1)
472 ld r15,STK_REG(R15)(r1)
473 ld r16,STK_REG(R16)(r1)
474 addi r1,r1,STACKFRAMESIZE
475.Ldest_error_nr:
450 cmpdi 0,r8,0 476 cmpdi 0,r8,0
451 beqlr 477 beqlr
452 li r6,-EFAULT 478 li r6,-EFAULT
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index d0cd9e4c6837..8ed035d2edb5 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -300,5 +300,9 @@ void vmemmap_free(unsigned long start, unsigned long end)
300{ 300{
301} 301}
302 302
303void register_page_bootmem_memmap(unsigned long section_nr,
304 struct page *start_page, unsigned long size)
305{
306}
303#endif /* CONFIG_SPARSEMEM_VMEMMAP */ 307#endif /* CONFIG_SPARSEMEM_VMEMMAP */
304 308
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 1cf9c5b67f24..3fa93dc7fe75 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -297,12 +297,21 @@ void __init paging_init(void)
297} 297}
298#endif /* ! CONFIG_NEED_MULTIPLE_NODES */ 298#endif /* ! CONFIG_NEED_MULTIPLE_NODES */
299 299
300static void __init register_page_bootmem_info(void)
301{
302 int i;
303
304 for_each_online_node(i)
305 register_page_bootmem_info_node(NODE_DATA(i));
306}
307
300void __init mem_init(void) 308void __init mem_init(void)
301{ 309{
302#ifdef CONFIG_SWIOTLB 310#ifdef CONFIG_SWIOTLB
303 swiotlb_init(0); 311 swiotlb_init(0);
304#endif 312#endif
305 313
314 register_page_bootmem_info();
306 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); 315 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
307 set_max_mapnr(max_pfn); 316 set_max_mapnr(max_pfn);
308 free_all_bootmem(); 317 free_all_bootmem();
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index 2ee4a707f0df..a3f7abd2f13f 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -199,6 +199,7 @@
199#define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1))) 199#define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1)))
200#define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1)) 200#define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1))
201#define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8) 201#define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8)
202#define MMCR1_FAB_SHIFT 36
202#define MMCR1_DC_QUAL_SHIFT 47 203#define MMCR1_DC_QUAL_SHIFT 47
203#define MMCR1_IC_QUAL_SHIFT 46 204#define MMCR1_IC_QUAL_SHIFT 46
204 205
@@ -388,8 +389,8 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
388 * the threshold bits are used for the match value. 389 * the threshold bits are used for the match value.
389 */ 390 */
390 if (event_is_fab_match(event[i])) { 391 if (event_is_fab_match(event[i])) {
391 mmcr1 |= (event[i] >> EVENT_THR_CTL_SHIFT) & 392 mmcr1 |= ((event[i] >> EVENT_THR_CTL_SHIFT) &
392 EVENT_THR_CTL_MASK; 393 EVENT_THR_CTL_MASK) << MMCR1_FAB_SHIFT;
393 } else { 394 } else {
394 val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK; 395 val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK;
395 mmcra |= val << MMCRA_THR_CTL_SHIFT; 396 mmcra |= val << MMCRA_THR_CTL_SHIFT;
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 6c32190dc73e..346b1c85ffb4 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -15,7 +15,7 @@
15 15
16static __always_inline bool arch_static_branch(struct static_key *key) 16static __always_inline bool arch_static_branch(struct static_key *key)
17{ 17{
18 asm goto("0: brcl 0,0\n" 18 asm_volatile_goto("0: brcl 0,0\n"
19 ".pushsection __jump_table, \"aw\"\n" 19 ".pushsection __jump_table, \"aw\"\n"
20 ASM_ALIGN "\n" 20 ASM_ALIGN "\n"
21 ASM_PTR " 0b, %l[label], %0\n" 21 ASM_PTR " 0b, %l[label], %0\n"
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 9b60a36c348d..2204400d0bd5 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -748,7 +748,9 @@ static inline void pgste_set_key(pte_t *ptep, pgste_t pgste, pte_t entry)
748 748
749static inline void pgste_set_pte(pte_t *ptep, pte_t entry) 749static inline void pgste_set_pte(pte_t *ptep, pte_t entry)
750{ 750{
751 if (!MACHINE_HAS_ESOP && (pte_val(entry) & _PAGE_WRITE)) { 751 if (!MACHINE_HAS_ESOP &&
752 (pte_val(entry) & _PAGE_PRESENT) &&
753 (pte_val(entry) & _PAGE_WRITE)) {
752 /* 754 /*
753 * Without enhanced suppression-on-protection force 755 * Without enhanced suppression-on-protection force
754 * the dirty bit on for all writable ptes. 756 * the dirty bit on for all writable ptes.
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 8ad8af915032..819b94d22720 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -71,30 +71,30 @@ static inline void local_tick_enable(unsigned long long comp)
71 71
72typedef unsigned long long cycles_t; 72typedef unsigned long long cycles_t;
73 73
74static inline unsigned long long get_tod_clock(void)
75{
76 unsigned long long clk;
77
78#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
79 asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc");
80#else
81 asm volatile("stck %0" : "=Q" (clk) : : "cc");
82#endif
83 return clk;
84}
85
86static inline void get_tod_clock_ext(char *clk) 74static inline void get_tod_clock_ext(char *clk)
87{ 75{
88 asm volatile("stcke %0" : "=Q" (*clk) : : "cc"); 76 asm volatile("stcke %0" : "=Q" (*clk) : : "cc");
89} 77}
90 78
91static inline unsigned long long get_tod_clock_xt(void) 79static inline unsigned long long get_tod_clock(void)
92{ 80{
93 unsigned char clk[16]; 81 unsigned char clk[16];
94 get_tod_clock_ext(clk); 82 get_tod_clock_ext(clk);
95 return *((unsigned long long *)&clk[1]); 83 return *((unsigned long long *)&clk[1]);
96} 84}
97 85
86static inline unsigned long long get_tod_clock_fast(void)
87{
88#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
89 unsigned long long clk;
90
91 asm volatile("stckf %0" : "=Q" (clk) : : "cc");
92 return clk;
93#else
94 return get_tod_clock();
95#endif
96}
97
98static inline cycles_t get_cycles(void) 98static inline cycles_t get_cycles(void)
99{ 99{
100 return (cycles_t) get_tod_clock() >> 2; 100 return (cycles_t) get_tod_clock() >> 2;
@@ -125,7 +125,7 @@ extern u64 sched_clock_base_cc;
125 */ 125 */
126static inline unsigned long long get_tod_clock_monotonic(void) 126static inline unsigned long long get_tod_clock_monotonic(void)
127{ 127{
128 return get_tod_clock_xt() - sched_clock_base_cc; 128 return get_tod_clock() - sched_clock_base_cc;
129} 129}
130 130
131/** 131/**
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 1389b637dae5..adaa9e9478d8 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -99,7 +99,7 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
99 break; 99 break;
100 } 100 }
101 } 101 }
102 return err; 102 return err ? -EFAULT : 0;
103} 103}
104 104
105int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) 105int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
@@ -148,7 +148,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
148 break; 148 break;
149 } 149 }
150 } 150 }
151 return err; 151 return err ? -EFAULT : 0;
152} 152}
153 153
154static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs) 154static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs)
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index c84f33d51f7b..7dd21720e5b0 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -40,28 +40,26 @@ static inline void *load_real_addr(void *addr)
40} 40}
41 41
42/* 42/*
43 * Copy up to one page to vmalloc or real memory 43 * Copy real to virtual or real memory
44 */ 44 */
45static ssize_t copy_page_real(void *buf, void *src, size_t csize) 45static int copy_from_realmem(void *dest, void *src, size_t count)
46{ 46{
47 size_t size; 47 unsigned long size;
48 int rc;
48 49
49 if (is_vmalloc_addr(buf)) { 50 if (!count)
50 BUG_ON(csize >= PAGE_SIZE); 51 return 0;
51 /* If buf is not page aligned, copy first part */ 52 if (!is_vmalloc_or_module_addr(dest))
52 size = min(roundup(__pa(buf), PAGE_SIZE) - __pa(buf), csize); 53 return memcpy_real(dest, src, count);
53 if (size) { 54 do {
54 if (memcpy_real(load_real_addr(buf), src, size)) 55 size = min(count, PAGE_SIZE - (__pa(dest) & ~PAGE_MASK));
55 return -EFAULT; 56 if (memcpy_real(load_real_addr(dest), src, size))
56 buf += size; 57 return -EFAULT;
57 src += size; 58 count -= size;
58 } 59 dest += size;
59 /* Copy second part */ 60 src += size;
60 size = csize - size; 61 } while (count);
61 return (size) ? memcpy_real(load_real_addr(buf), src, size) : 0; 62 return 0;
62 } else {
63 return memcpy_real(buf, src, csize);
64 }
65} 63}
66 64
67/* 65/*
@@ -114,7 +112,7 @@ static ssize_t copy_oldmem_page_kdump(char *buf, size_t csize,
114 rc = copy_to_user_real((void __force __user *) buf, 112 rc = copy_to_user_real((void __force __user *) buf,
115 (void *) src, csize); 113 (void *) src, csize);
116 else 114 else
117 rc = copy_page_real(buf, (void *) src, csize); 115 rc = copy_from_realmem(buf, (void *) src, csize);
118 return (rc == 0) ? rc : csize; 116 return (rc == 0) ? rc : csize;
119} 117}
120 118
@@ -210,7 +208,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count)
210 if (OLDMEM_BASE) { 208 if (OLDMEM_BASE) {
211 if ((unsigned long) src < OLDMEM_SIZE) { 209 if ((unsigned long) src < OLDMEM_SIZE) {
212 copied = min(count, OLDMEM_SIZE - (unsigned long) src); 210 copied = min(count, OLDMEM_SIZE - (unsigned long) src);
213 rc = memcpy_real(dest, src + OLDMEM_BASE, copied); 211 rc = copy_from_realmem(dest, src + OLDMEM_BASE, copied);
214 if (rc) 212 if (rc)
215 return rc; 213 return rc;
216 } 214 }
@@ -223,7 +221,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count)
223 return rc; 221 return rc;
224 } 222 }
225 } 223 }
226 return memcpy_real(dest + copied, src + copied, count - copied); 224 return copy_from_realmem(dest + copied, src + copied, count - copied);
227} 225}
228 226
229/* 227/*
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index f1279dc2e1bc..17d62fe5d7b7 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -867,7 +867,7 @@ static inline void
867debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level, 867debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,
868 int exception) 868 int exception)
869{ 869{
870 active->id.stck = get_tod_clock(); 870 active->id.stck = get_tod_clock_fast();
871 active->id.fields.cpuid = smp_processor_id(); 871 active->id.fields.cpuid = smp_processor_id();
872 active->caller = __builtin_return_address(0); 872 active->caller = __builtin_return_address(0);
873 active->id.fields.exception = exception; 873 active->id.fields.exception = exception;
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index cc30d1fb000c..0dc2b6d0a1ec 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -266,6 +266,7 @@ sysc_sigpending:
266 tm __TI_flags+3(%r12),_TIF_SYSCALL 266 tm __TI_flags+3(%r12),_TIF_SYSCALL
267 jno sysc_return 267 jno sysc_return
268 lm %r2,%r7,__PT_R2(%r11) # load svc arguments 268 lm %r2,%r7,__PT_R2(%r11) # load svc arguments
269 l %r10,__TI_sysc_table(%r12) # 31 bit system call table
269 xr %r8,%r8 # svc 0 returns -ENOSYS 270 xr %r8,%r8 # svc 0 returns -ENOSYS
270 clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2) 271 clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2)
271 jnl sysc_nr_ok # invalid svc number -> do svc 0 272 jnl sysc_nr_ok # invalid svc number -> do svc 0
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 2b2188b97c6a..e5b43c97a834 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -297,6 +297,7 @@ sysc_sigpending:
297 tm __TI_flags+7(%r12),_TIF_SYSCALL 297 tm __TI_flags+7(%r12),_TIF_SYSCALL
298 jno sysc_return 298 jno sysc_return
299 lmg %r2,%r7,__PT_R2(%r11) # load svc arguments 299 lmg %r2,%r7,__PT_R2(%r11) # load svc arguments
300 lg %r10,__TI_sysc_table(%r12) # address of system call table
300 lghi %r8,0 # svc 0 returns -ENOSYS 301 lghi %r8,0 # svc 0 returns -ENOSYS
301 llgh %r1,__PT_INT_CODE+2(%r11) # load new svc number 302 llgh %r1,__PT_INT_CODE+2(%r11) # load new svc number
302 cghi %r1,NR_syscalls 303 cghi %r1,NR_syscalls
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 0ce9fb245034..d86e64eddb42 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -67,6 +67,11 @@ static int __kprobes is_prohibited_opcode(kprobe_opcode_t *insn)
67 case 0xac: /* stnsm */ 67 case 0xac: /* stnsm */
68 case 0xad: /* stosm */ 68 case 0xad: /* stosm */
69 return -EINVAL; 69 return -EINVAL;
70 case 0xc6:
71 switch (insn[0] & 0x0f) {
72 case 0x00: /* exrl */
73 return -EINVAL;
74 }
70 } 75 }
71 switch (insn[0]) { 76 switch (insn[0]) {
72 case 0x0101: /* pr */ 77 case 0x0101: /* pr */
@@ -180,7 +185,6 @@ static int __kprobes is_insn_relative_long(kprobe_opcode_t *insn)
180 break; 185 break;
181 case 0xc6: 186 case 0xc6:
182 switch (insn[0] & 0x0f) { 187 switch (insn[0] & 0x0f) {
183 case 0x00: /* exrl */
184 case 0x02: /* pfdrl */ 188 case 0x02: /* pfdrl */
185 case 0x04: /* cghrl */ 189 case 0x04: /* cghrl */
186 case 0x05: /* chrl */ 190 case 0x05: /* chrl */
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 7f35cb33e510..7f1f7ac5cf7f 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -385,7 +385,7 @@ static int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu)
385 } 385 }
386 386
387 if ((!rc) && (vcpu->arch.sie_block->ckc < 387 if ((!rc) && (vcpu->arch.sie_block->ckc <
388 get_tod_clock() + vcpu->arch.sie_block->epoch)) { 388 get_tod_clock_fast() + vcpu->arch.sie_block->epoch)) {
389 if ((!psw_extint_disabled(vcpu)) && 389 if ((!psw_extint_disabled(vcpu)) &&
390 (vcpu->arch.sie_block->gcr[0] & 0x800ul)) 390 (vcpu->arch.sie_block->gcr[0] & 0x800ul))
391 rc = 1; 391 rc = 1;
@@ -425,7 +425,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
425 goto no_timer; 425 goto no_timer;
426 } 426 }
427 427
428 now = get_tod_clock() + vcpu->arch.sie_block->epoch; 428 now = get_tod_clock_fast() + vcpu->arch.sie_block->epoch;
429 if (vcpu->arch.sie_block->ckc < now) { 429 if (vcpu->arch.sie_block->ckc < now) {
430 __unset_cpu_idle(vcpu); 430 __unset_cpu_idle(vcpu);
431 return 0; 431 return 0;
@@ -515,7 +515,7 @@ void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu)
515 } 515 }
516 516
517 if ((vcpu->arch.sie_block->ckc < 517 if ((vcpu->arch.sie_block->ckc <
518 get_tod_clock() + vcpu->arch.sie_block->epoch)) 518 get_tod_clock_fast() + vcpu->arch.sie_block->epoch))
519 __try_deliver_ckc_interrupt(vcpu); 519 __try_deliver_ckc_interrupt(vcpu);
520 520
521 if (atomic_read(&fi->active)) { 521 if (atomic_read(&fi->active)) {
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index 57c87d7d7ede..a9f3d0042d58 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -44,7 +44,7 @@ static void __udelay_disabled(unsigned long long usecs)
44 do { 44 do {
45 set_clock_comparator(end); 45 set_clock_comparator(end);
46 vtime_stop_cpu(); 46 vtime_stop_cpu();
47 } while (get_tod_clock() < end); 47 } while (get_tod_clock_fast() < end);
48 lockdep_on(); 48 lockdep_on();
49 __ctl_load(cr0, 0, 0); 49 __ctl_load(cr0, 0, 0);
50 __ctl_load(cr6, 6, 6); 50 __ctl_load(cr6, 6, 6);
@@ -55,7 +55,7 @@ static void __udelay_enabled(unsigned long long usecs)
55{ 55{
56 u64 clock_saved, end; 56 u64 clock_saved, end;
57 57
58 end = get_tod_clock() + (usecs << 12); 58 end = get_tod_clock_fast() + (usecs << 12);
59 do { 59 do {
60 clock_saved = 0; 60 clock_saved = 0;
61 if (end < S390_lowcore.clock_comparator) { 61 if (end < S390_lowcore.clock_comparator) {
@@ -65,7 +65,7 @@ static void __udelay_enabled(unsigned long long usecs)
65 vtime_stop_cpu(); 65 vtime_stop_cpu();
66 if (clock_saved) 66 if (clock_saved)
67 local_tick_enable(clock_saved); 67 local_tick_enable(clock_saved);
68 } while (get_tod_clock() < end); 68 } while (get_tod_clock_fast() < end);
69} 69}
70 70
71/* 71/*
@@ -109,8 +109,8 @@ void udelay_simple(unsigned long long usecs)
109{ 109{
110 u64 end; 110 u64 end;
111 111
112 end = get_tod_clock() + (usecs << 12); 112 end = get_tod_clock_fast() + (usecs << 12);
113 while (get_tod_clock() < end) 113 while (get_tod_clock_fast() < end)
114 cpu_relax(); 114 cpu_relax();
115} 115}
116 116
@@ -120,10 +120,10 @@ void __ndelay(unsigned long long nsecs)
120 120
121 nsecs <<= 9; 121 nsecs <<= 9;
122 do_div(nsecs, 125); 122 do_div(nsecs, 125);
123 end = get_tod_clock() + nsecs; 123 end = get_tod_clock_fast() + nsecs;
124 if (nsecs & ~0xfffUL) 124 if (nsecs & ~0xfffUL)
125 __udelay(nsecs >> 12); 125 __udelay(nsecs >> 12);
126 while (get_tod_clock() < end) 126 while (get_tod_clock_fast() < end)
127 barrier(); 127 barrier();
128} 128}
129EXPORT_SYMBOL(__ndelay); 129EXPORT_SYMBOL(__ndelay);
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 2137ad667438..78c4fdb91bc5 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -506,12 +506,17 @@ config SUN_OPENPROMFS
506 Only choose N if you know in advance that you will not need to modify 506 Only choose N if you know in advance that you will not need to modify
507 OpenPROM settings on the running system. 507 OpenPROM settings on the running system.
508 508
509# Makefile helper 509# Makefile helpers
510config SPARC64_PCI 510config SPARC64_PCI
511 bool 511 bool
512 default y 512 default y
513 depends on SPARC64 && PCI 513 depends on SPARC64 && PCI
514 514
515config SPARC64_PCI_MSI
516 bool
517 default y
518 depends on SPARC64_PCI && PCI_MSI
519
515endmenu 520endmenu
516 521
517menu "Executable file formats" 522menu "Executable file formats"
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index e204f902e6c9..7c90c50c200d 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -254,7 +254,7 @@ static int sun_fd_request_irq(void)
254 once = 1; 254 once = 1;
255 255
256 error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, 256 error = request_irq(FLOPPY_IRQ, sparc_floppy_irq,
257 IRQF_DISABLED, "floppy", NULL); 257 0, "floppy", NULL);
258 258
259 return ((error == 0) ? 0 : -1); 259 return ((error == 0) ? 0 : -1);
260 } 260 }
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h
index 5080d16a832f..ec2e2e2aba7d 100644
--- a/arch/sparc/include/asm/jump_label.h
+++ b/arch/sparc/include/asm/jump_label.h
@@ -9,7 +9,7 @@
9 9
10static __always_inline bool arch_static_branch(struct static_key *key) 10static __always_inline bool arch_static_branch(struct static_key *key)
11{ 11{
12 asm goto("1:\n\t" 12 asm_volatile_goto("1:\n\t"
13 "nop\n\t" 13 "nop\n\t"
14 "nop\n\t" 14 "nop\n\t"
15 ".pushsection __jump_table, \"aw\"\n\t" 15 ".pushsection __jump_table, \"aw\"\n\t"
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index d432fb20358e..d15cc1794b0e 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -1,3 +1,4 @@
1
1# 2#
2# Makefile for the linux kernel. 3# Makefile for the linux kernel.
3# 4#
@@ -99,7 +100,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o
99obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o 100obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o
100obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o 101obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o
101obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o 102obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o
102obj-$(CONFIG_PCI_MSI) += pci_msi.o 103obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o
103 104
104obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o 105obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o
105 106
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 4d9ac8406f32..dff60abbea01 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -849,9 +849,8 @@ void ldom_reboot(const char *boot_command)
849 if (boot_command && strlen(boot_command)) { 849 if (boot_command && strlen(boot_command)) {
850 unsigned long len; 850 unsigned long len;
851 851
852 strcpy(full_boot_str, "boot "); 852 snprintf(full_boot_str, sizeof(full_boot_str), "boot %s",
853 strlcpy(full_boot_str + strlen("boot "), boot_command, 853 boot_command);
854 sizeof(full_boot_str));
855 len = strlen(full_boot_str); 854 len = strlen(full_boot_str);
856 855
857 if (reboot_data_supported) { 856 if (reboot_data_supported) {
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index 54df554b82d9..e01d75d40329 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1249,12 +1249,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
1249 snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); 1249 snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
1250 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); 1250 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
1251 1251
1252 err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED, 1252 err = request_irq(lp->cfg.rx_irq, ldc_rx, 0,
1253 lp->rx_irq_name, lp); 1253 lp->rx_irq_name, lp);
1254 if (err) 1254 if (err)
1255 return err; 1255 return err;
1256 1256
1257 err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED, 1257 err = request_irq(lp->cfg.tx_irq, ldc_tx, 0,
1258 lp->tx_irq_name, lp); 1258 lp->tx_irq_name, lp);
1259 if (err) { 1259 if (err) {
1260 free_irq(lp->cfg.rx_irq, lp); 1260 free_irq(lp->cfg.rx_irq, lp);
diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h
index d385eaadece7..709798460763 100644
--- a/arch/tile/include/asm/atomic.h
+++ b/arch/tile/include/asm/atomic.h
@@ -166,7 +166,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int o, int n)
166 * 166 *
167 * Atomically sets @v to @i and returns old @v 167 * Atomically sets @v to @i and returns old @v
168 */ 168 */
169static inline u64 atomic64_xchg(atomic64_t *v, u64 n) 169static inline long long atomic64_xchg(atomic64_t *v, long long n)
170{ 170{
171 return xchg64(&v->counter, n); 171 return xchg64(&v->counter, n);
172} 172}
@@ -180,7 +180,8 @@ static inline u64 atomic64_xchg(atomic64_t *v, u64 n)
180 * Atomically checks if @v holds @o and replaces it with @n if so. 180 * Atomically checks if @v holds @o and replaces it with @n if so.
181 * Returns the old value at @v. 181 * Returns the old value at @v.
182 */ 182 */
183static inline u64 atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n) 183static inline long long atomic64_cmpxchg(atomic64_t *v, long long o,
184 long long n)
184{ 185{
185 return cmpxchg64(&v->counter, o, n); 186 return cmpxchg64(&v->counter, o, n);
186} 187}
diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h
index 0d0395b1b152..1ad4a1f7d42b 100644
--- a/arch/tile/include/asm/atomic_32.h
+++ b/arch/tile/include/asm/atomic_32.h
@@ -80,7 +80,7 @@ static inline void atomic_set(atomic_t *v, int n)
80/* A 64bit atomic type */ 80/* A 64bit atomic type */
81 81
82typedef struct { 82typedef struct {
83 u64 __aligned(8) counter; 83 long long counter;
84} atomic64_t; 84} atomic64_t;
85 85
86#define ATOMIC64_INIT(val) { (val) } 86#define ATOMIC64_INIT(val) { (val) }
@@ -91,14 +91,14 @@ typedef struct {
91 * 91 *
92 * Atomically reads the value of @v. 92 * Atomically reads the value of @v.
93 */ 93 */
94static inline u64 atomic64_read(const atomic64_t *v) 94static inline long long atomic64_read(const atomic64_t *v)
95{ 95{
96 /* 96 /*
97 * Requires an atomic op to read both 32-bit parts consistently. 97 * Requires an atomic op to read both 32-bit parts consistently.
98 * Casting away const is safe since the atomic support routines 98 * Casting away const is safe since the atomic support routines
99 * do not write to memory if the value has not been modified. 99 * do not write to memory if the value has not been modified.
100 */ 100 */
101 return _atomic64_xchg_add((u64 *)&v->counter, 0); 101 return _atomic64_xchg_add((long long *)&v->counter, 0);
102} 102}
103 103
104/** 104/**
@@ -108,7 +108,7 @@ static inline u64 atomic64_read(const atomic64_t *v)
108 * 108 *
109 * Atomically adds @i to @v. 109 * Atomically adds @i to @v.
110 */ 110 */
111static inline void atomic64_add(u64 i, atomic64_t *v) 111static inline void atomic64_add(long long i, atomic64_t *v)
112{ 112{
113 _atomic64_xchg_add(&v->counter, i); 113 _atomic64_xchg_add(&v->counter, i);
114} 114}
@@ -120,7 +120,7 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
120 * 120 *
121 * Atomically adds @i to @v and returns @i + @v 121 * Atomically adds @i to @v and returns @i + @v
122 */ 122 */
123static inline u64 atomic64_add_return(u64 i, atomic64_t *v) 123static inline long long atomic64_add_return(long long i, atomic64_t *v)
124{ 124{
125 smp_mb(); /* barrier for proper semantics */ 125 smp_mb(); /* barrier for proper semantics */
126 return _atomic64_xchg_add(&v->counter, i) + i; 126 return _atomic64_xchg_add(&v->counter, i) + i;
@@ -135,7 +135,8 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
135 * Atomically adds @a to @v, so long as @v was not already @u. 135 * Atomically adds @a to @v, so long as @v was not already @u.
136 * Returns non-zero if @v was not @u, and zero otherwise. 136 * Returns non-zero if @v was not @u, and zero otherwise.
137 */ 137 */
138static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) 138static inline long long atomic64_add_unless(atomic64_t *v, long long a,
139 long long u)
139{ 140{
140 smp_mb(); /* barrier for proper semantics */ 141 smp_mb(); /* barrier for proper semantics */
141 return _atomic64_xchg_add_unless(&v->counter, a, u) != u; 142 return _atomic64_xchg_add_unless(&v->counter, a, u) != u;
@@ -151,7 +152,7 @@ static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
151 * atomic64_set() can't be just a raw store, since it would be lost if it 152 * atomic64_set() can't be just a raw store, since it would be lost if it
152 * fell between the load and store of one of the other atomic ops. 153 * fell between the load and store of one of the other atomic ops.
153 */ 154 */
154static inline void atomic64_set(atomic64_t *v, u64 n) 155static inline void atomic64_set(atomic64_t *v, long long n)
155{ 156{
156 _atomic64_xchg(&v->counter, n); 157 _atomic64_xchg(&v->counter, n);
157} 158}
@@ -236,11 +237,13 @@ extern struct __get_user __atomic_xchg_add_unless(volatile int *p,
236extern struct __get_user __atomic_or(volatile int *p, int *lock, int n); 237extern struct __get_user __atomic_or(volatile int *p, int *lock, int n);
237extern struct __get_user __atomic_andn(volatile int *p, int *lock, int n); 238extern struct __get_user __atomic_andn(volatile int *p, int *lock, int n);
238extern struct __get_user __atomic_xor(volatile int *p, int *lock, int n); 239extern struct __get_user __atomic_xor(volatile int *p, int *lock, int n);
239extern u64 __atomic64_cmpxchg(volatile u64 *p, int *lock, u64 o, u64 n); 240extern long long __atomic64_cmpxchg(volatile long long *p, int *lock,
240extern u64 __atomic64_xchg(volatile u64 *p, int *lock, u64 n); 241 long long o, long long n);
241extern u64 __atomic64_xchg_add(volatile u64 *p, int *lock, u64 n); 242extern long long __atomic64_xchg(volatile long long *p, int *lock, long long n);
242extern u64 __atomic64_xchg_add_unless(volatile u64 *p, 243extern long long __atomic64_xchg_add(volatile long long *p, int *lock,
243 int *lock, u64 o, u64 n); 244 long long n);
245extern long long __atomic64_xchg_add_unless(volatile long long *p,
246 int *lock, long long o, long long n);
244 247
245/* Return failure from the atomic wrappers. */ 248/* Return failure from the atomic wrappers. */
246struct __get_user __atomic_bad_address(int __user *addr); 249struct __get_user __atomic_bad_address(int __user *addr);
diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h
index 4001d5eab4bb..0ccda3c425be 100644
--- a/arch/tile/include/asm/cmpxchg.h
+++ b/arch/tile/include/asm/cmpxchg.h
@@ -35,10 +35,10 @@ int _atomic_xchg(int *ptr, int n);
35int _atomic_xchg_add(int *v, int i); 35int _atomic_xchg_add(int *v, int i);
36int _atomic_xchg_add_unless(int *v, int a, int u); 36int _atomic_xchg_add_unless(int *v, int a, int u);
37int _atomic_cmpxchg(int *ptr, int o, int n); 37int _atomic_cmpxchg(int *ptr, int o, int n);
38u64 _atomic64_xchg(u64 *v, u64 n); 38long long _atomic64_xchg(long long *v, long long n);
39u64 _atomic64_xchg_add(u64 *v, u64 i); 39long long _atomic64_xchg_add(long long *v, long long i);
40u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u); 40long long _atomic64_xchg_add_unless(long long *v, long long a, long long u);
41u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); 41long long _atomic64_cmpxchg(long long *v, long long o, long long n);
42 42
43#define xchg(ptr, n) \ 43#define xchg(ptr, n) \
44 ({ \ 44 ({ \
@@ -53,7 +53,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n);
53 if (sizeof(*(ptr)) != 4) \ 53 if (sizeof(*(ptr)) != 4) \
54 __cmpxchg_called_with_bad_pointer(); \ 54 __cmpxchg_called_with_bad_pointer(); \
55 smp_mb(); \ 55 smp_mb(); \
56 (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, (int)n); \ 56 (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, \
57 (int)n); \
57 }) 58 })
58 59
59#define xchg64(ptr, n) \ 60#define xchg64(ptr, n) \
@@ -61,7 +62,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n);
61 if (sizeof(*(ptr)) != 8) \ 62 if (sizeof(*(ptr)) != 8) \
62 __xchg_called_with_bad_pointer(); \ 63 __xchg_called_with_bad_pointer(); \
63 smp_mb(); \ 64 smp_mb(); \
64 (typeof(*(ptr)))_atomic64_xchg((u64 *)(ptr), (u64)(n)); \ 65 (typeof(*(ptr)))_atomic64_xchg((long long *)(ptr), \
66 (long long)(n)); \
65 }) 67 })
66 68
67#define cmpxchg64(ptr, o, n) \ 69#define cmpxchg64(ptr, o, n) \
@@ -69,7 +71,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n);
69 if (sizeof(*(ptr)) != 8) \ 71 if (sizeof(*(ptr)) != 8) \
70 __cmpxchg_called_with_bad_pointer(); \ 72 __cmpxchg_called_with_bad_pointer(); \
71 smp_mb(); \ 73 smp_mb(); \
72 (typeof(*(ptr)))_atomic64_cmpxchg((u64 *)ptr, (u64)o, (u64)n); \ 74 (typeof(*(ptr)))_atomic64_cmpxchg((long long *)ptr, \
75 (long long)o, (long long)n); \
73 }) 76 })
74 77
75#else 78#else
@@ -81,10 +84,11 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n);
81 switch (sizeof(*(ptr))) { \ 84 switch (sizeof(*(ptr))) { \
82 case 4: \ 85 case 4: \
83 __x = (typeof(__x))(unsigned long) \ 86 __x = (typeof(__x))(unsigned long) \
84 __insn_exch4((ptr), (u32)(unsigned long)(n)); \ 87 __insn_exch4((ptr), \
88 (u32)(unsigned long)(n)); \
85 break; \ 89 break; \
86 case 8: \ 90 case 8: \
87 __x = (typeof(__x)) \ 91 __x = (typeof(__x)) \
88 __insn_exch((ptr), (unsigned long)(n)); \ 92 __insn_exch((ptr), (unsigned long)(n)); \
89 break; \ 93 break; \
90 default: \ 94 default: \
@@ -103,10 +107,12 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n);
103 switch (sizeof(*(ptr))) { \ 107 switch (sizeof(*(ptr))) { \
104 case 4: \ 108 case 4: \
105 __x = (typeof(__x))(unsigned long) \ 109 __x = (typeof(__x))(unsigned long) \
106 __insn_cmpexch4((ptr), (u32)(unsigned long)(n)); \ 110 __insn_cmpexch4((ptr), \
111 (u32)(unsigned long)(n)); \
107 break; \ 112 break; \
108 case 8: \ 113 case 8: \
109 __x = (typeof(__x))__insn_cmpexch((ptr), (u64)(n)); \ 114 __x = (typeof(__x))__insn_cmpexch((ptr), \
115 (long long)(n)); \
110 break; \ 116 break; \
111 default: \ 117 default: \
112 __cmpxchg_called_with_bad_pointer(); \ 118 __cmpxchg_called_with_bad_pointer(); \
diff --git a/arch/tile/include/asm/percpu.h b/arch/tile/include/asm/percpu.h
index 63294f5a8efb..4f7ae39fa202 100644
--- a/arch/tile/include/asm/percpu.h
+++ b/arch/tile/include/asm/percpu.h
@@ -15,9 +15,37 @@
15#ifndef _ASM_TILE_PERCPU_H 15#ifndef _ASM_TILE_PERCPU_H
16#define _ASM_TILE_PERCPU_H 16#define _ASM_TILE_PERCPU_H
17 17
18register unsigned long __my_cpu_offset __asm__("tp"); 18register unsigned long my_cpu_offset_reg asm("tp");
19#define __my_cpu_offset __my_cpu_offset 19
20#define set_my_cpu_offset(tp) (__my_cpu_offset = (tp)) 20#ifdef CONFIG_PREEMPT
21/*
22 * For full preemption, we can't just use the register variable
23 * directly, since we need barrier() to hazard against it, causing the
24 * compiler to reload anything computed from a previous "tp" value.
25 * But we also don't want to use volatile asm, since we'd like the
26 * compiler to be able to cache the value across multiple percpu reads.
27 * So we use a fake stack read as a hazard against barrier().
28 * The 'U' constraint is like 'm' but disallows postincrement.
29 */
30static inline unsigned long __my_cpu_offset(void)
31{
32 unsigned long tp;
33 register unsigned long *sp asm("sp");
34 asm("move %0, tp" : "=r" (tp) : "U" (*sp));
35 return tp;
36}
37#define __my_cpu_offset __my_cpu_offset()
38#else
39/*
40 * We don't need to hazard against barrier() since "tp" doesn't ever
41 * change with PREEMPT_NONE, and with PREEMPT_VOLUNTARY it only
42 * changes at function call points, at which we are already re-reading
43 * the value of "tp" due to "my_cpu_offset_reg" being a global variable.
44 */
45#define __my_cpu_offset my_cpu_offset_reg
46#endif
47
48#define set_my_cpu_offset(tp) (my_cpu_offset_reg = (tp))
21 49
22#include <asm-generic/percpu.h> 50#include <asm-generic/percpu.h>
23 51
diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c
index df27a1fd94a3..531f4c365351 100644
--- a/arch/tile/kernel/hardwall.c
+++ b/arch/tile/kernel/hardwall.c
@@ -66,7 +66,7 @@ static struct hardwall_type hardwall_types[] = {
66 0, 66 0,
67 "udn", 67 "udn",
68 LIST_HEAD_INIT(hardwall_types[HARDWALL_UDN].list), 68 LIST_HEAD_INIT(hardwall_types[HARDWALL_UDN].list),
69 __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_UDN].lock), 69 __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_UDN].lock),
70 NULL 70 NULL
71 }, 71 },
72#ifndef __tilepro__ 72#ifndef __tilepro__
@@ -77,7 +77,7 @@ static struct hardwall_type hardwall_types[] = {
77 1, /* disabled pending hypervisor support */ 77 1, /* disabled pending hypervisor support */
78 "idn", 78 "idn",
79 LIST_HEAD_INIT(hardwall_types[HARDWALL_IDN].list), 79 LIST_HEAD_INIT(hardwall_types[HARDWALL_IDN].list),
80 __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IDN].lock), 80 __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IDN].lock),
81 NULL 81 NULL
82 }, 82 },
83 { /* access to user-space IPI */ 83 { /* access to user-space IPI */
@@ -87,7 +87,7 @@ static struct hardwall_type hardwall_types[] = {
87 0, 87 0,
88 "ipi", 88 "ipi",
89 LIST_HEAD_INIT(hardwall_types[HARDWALL_IPI].list), 89 LIST_HEAD_INIT(hardwall_types[HARDWALL_IPI].list),
90 __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IPI].lock), 90 __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IPI].lock),
91 NULL 91 NULL
92 }, 92 },
93#endif 93#endif
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index 088d5c141e68..2cbe6d5dd6b0 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -815,6 +815,9 @@ STD_ENTRY(interrupt_return)
815 } 815 }
816 bzt r28, 1f 816 bzt r28, 1f
817 bnz r29, 1f 817 bnz r29, 1f
818 /* Disable interrupts explicitly for preemption. */
819 IRQ_DISABLE(r20,r21)
820 TRACE_IRQS_OFF
818 jal preempt_schedule_irq 821 jal preempt_schedule_irq
819 FEEDBACK_REENTER(interrupt_return) 822 FEEDBACK_REENTER(interrupt_return)
8201: 8231:
diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S
index ec755d3f3734..b8fc497f2437 100644
--- a/arch/tile/kernel/intvec_64.S
+++ b/arch/tile/kernel/intvec_64.S
@@ -841,6 +841,9 @@ STD_ENTRY(interrupt_return)
841 } 841 }
842 beqzt r28, 1f 842 beqzt r28, 1f
843 bnez r29, 1f 843 bnez r29, 1f
844 /* Disable interrupts explicitly for preemption. */
845 IRQ_DISABLE(r20,r21)
846 TRACE_IRQS_OFF
844 jal preempt_schedule_irq 847 jal preempt_schedule_irq
845 FEEDBACK_REENTER(interrupt_return) 848 FEEDBACK_REENTER(interrupt_return)
8461: 8491:
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c
index 362284af3afd..c93977a62116 100644
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -23,6 +23,7 @@
23#include <linux/mmzone.h> 23#include <linux/mmzone.h>
24#include <linux/dcache.h> 24#include <linux/dcache.h>
25#include <linux/fs.h> 25#include <linux/fs.h>
26#include <linux/string.h>
26#include <asm/backtrace.h> 27#include <asm/backtrace.h>
27#include <asm/page.h> 28#include <asm/page.h>
28#include <asm/ucontext.h> 29#include <asm/ucontext.h>
@@ -332,21 +333,18 @@ static void describe_addr(struct KBacktraceIterator *kbt,
332 } 333 }
333 334
334 if (vma->vm_file) { 335 if (vma->vm_file) {
335 char *s;
336 p = d_path(&vma->vm_file->f_path, buf, bufsize); 336 p = d_path(&vma->vm_file->f_path, buf, bufsize);
337 if (IS_ERR(p)) 337 if (IS_ERR(p))
338 p = "?"; 338 p = "?";
339 s = strrchr(p, '/'); 339 name = kbasename(p);
340 if (s)
341 p = s+1;
342 } else { 340 } else {
343 p = "anon"; 341 name = "anon";
344 } 342 }
345 343
346 /* Generate a string description of the vma info. */ 344 /* Generate a string description of the vma info. */
347 namelen = strlen(p); 345 namelen = strlen(name);
348 remaining = (bufsize - 1) - namelen; 346 remaining = (bufsize - 1) - namelen;
349 memmove(buf, p, namelen); 347 memmove(buf, name, namelen);
350 snprintf(buf + namelen, remaining, "[%lx+%lx] ", 348 snprintf(buf + namelen, remaining, "[%lx+%lx] ",
351 vma->vm_start, vma->vm_end - vma->vm_start); 349 vma->vm_start, vma->vm_end - vma->vm_start);
352} 350}
diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c
index 759efa337be8..c89b211fd9e7 100644
--- a/arch/tile/lib/atomic_32.c
+++ b/arch/tile/lib/atomic_32.c
@@ -107,19 +107,19 @@ unsigned long _atomic_xor(volatile unsigned long *p, unsigned long mask)
107EXPORT_SYMBOL(_atomic_xor); 107EXPORT_SYMBOL(_atomic_xor);
108 108
109 109
110u64 _atomic64_xchg(u64 *v, u64 n) 110long long _atomic64_xchg(long long *v, long long n)
111{ 111{
112 return __atomic64_xchg(v, __atomic_setup(v), n); 112 return __atomic64_xchg(v, __atomic_setup(v), n);
113} 113}
114EXPORT_SYMBOL(_atomic64_xchg); 114EXPORT_SYMBOL(_atomic64_xchg);
115 115
116u64 _atomic64_xchg_add(u64 *v, u64 i) 116long long _atomic64_xchg_add(long long *v, long long i)
117{ 117{
118 return __atomic64_xchg_add(v, __atomic_setup(v), i); 118 return __atomic64_xchg_add(v, __atomic_setup(v), i);
119} 119}
120EXPORT_SYMBOL(_atomic64_xchg_add); 120EXPORT_SYMBOL(_atomic64_xchg_add);
121 121
122u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u) 122long long _atomic64_xchg_add_unless(long long *v, long long a, long long u)
123{ 123{
124 /* 124 /*
125 * Note: argument order is switched here since it is easier 125 * Note: argument order is switched here since it is easier
@@ -130,7 +130,7 @@ u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u)
130} 130}
131EXPORT_SYMBOL(_atomic64_xchg_add_unless); 131EXPORT_SYMBOL(_atomic64_xchg_add_unless);
132 132
133u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n) 133long long _atomic64_cmpxchg(long long *v, long long o, long long n)
134{ 134{
135 return __atomic64_cmpxchg(v, __atomic_setup(v), o, n); 135 return __atomic64_cmpxchg(v, __atomic_setup(v), o, n);
136} 136}
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ee2fb9d37745..f67e839f06c8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -860,7 +860,7 @@ source "kernel/Kconfig.preempt"
860 860
861config X86_UP_APIC 861config X86_UP_APIC
862 bool "Local APIC support on uniprocessors" 862 bool "Local APIC support on uniprocessors"
863 depends on X86_32 && !SMP && !X86_32_NON_STANDARD 863 depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI
864 ---help--- 864 ---help---
865 A local APIC (Advanced Programmable Interrupt Controller) is an 865 A local APIC (Advanced Programmable Interrupt Controller) is an
866 integrated interrupt controller in the CPU. If you have a single-CPU 866 integrated interrupt controller in the CPU. If you have a single-CPU
@@ -885,11 +885,11 @@ config X86_UP_IOAPIC
885 885
886config X86_LOCAL_APIC 886config X86_LOCAL_APIC
887 def_bool y 887 def_bool y
888 depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC 888 depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || PCI_MSI
889 889
890config X86_IO_APIC 890config X86_IO_APIC
891 def_bool y 891 def_bool y
892 depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC 892 depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI
893 893
894config X86_VISWS_APIC 894config X86_VISWS_APIC
895 def_bool y 895 def_bool y
@@ -1033,6 +1033,7 @@ config X86_REBOOTFIXUPS
1033 1033
1034config MICROCODE 1034config MICROCODE
1035 tristate "CPU microcode loading support" 1035 tristate "CPU microcode loading support"
1036 depends on CPU_SUP_AMD || CPU_SUP_INTEL
1036 select FW_LOADER 1037 select FW_LOADER
1037 ---help--- 1038 ---help---
1038 1039
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index d3f5c63078d8..89270b4318db 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -374,7 +374,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
374 * Catch too early usage of this before alternatives 374 * Catch too early usage of this before alternatives
375 * have run. 375 * have run.
376 */ 376 */
377 asm goto("1: jmp %l[t_warn]\n" 377 asm_volatile_goto("1: jmp %l[t_warn]\n"
378 "2:\n" 378 "2:\n"
379 ".section .altinstructions,\"a\"\n" 379 ".section .altinstructions,\"a\"\n"
380 " .long 1b - .\n" 380 " .long 1b - .\n"
@@ -388,7 +388,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
388 388
389#endif 389#endif
390 390
391 asm goto("1: jmp %l[t_no]\n" 391 asm_volatile_goto("1: jmp %l[t_no]\n"
392 "2:\n" 392 "2:\n"
393 ".section .altinstructions,\"a\"\n" 393 ".section .altinstructions,\"a\"\n"
394 " .long 1b - .\n" 394 " .long 1b - .\n"
@@ -453,7 +453,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
453 * have. Thus, we force the jump to the widest, 4-byte, signed relative 453 * have. Thus, we force the jump to the widest, 4-byte, signed relative
454 * offset even though the last would often fit in less bytes. 454 * offset even though the last would often fit in less bytes.
455 */ 455 */
456 asm goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n" 456 asm_volatile_goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n"
457 "2:\n" 457 "2:\n"
458 ".section .altinstructions,\"a\"\n" 458 ".section .altinstructions,\"a\"\n"
459 " .long 1b - .\n" /* src offset */ 459 " .long 1b - .\n" /* src offset */
diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h
index 64507f35800c..6a2cefb4395a 100644
--- a/arch/x86/include/asm/jump_label.h
+++ b/arch/x86/include/asm/jump_label.h
@@ -18,7 +18,7 @@
18 18
19static __always_inline bool arch_static_branch(struct static_key *key) 19static __always_inline bool arch_static_branch(struct static_key *key)
20{ 20{
21 asm goto("1:" 21 asm_volatile_goto("1:"
22 ".byte " __stringify(STATIC_KEY_INIT_NOP) "\n\t" 22 ".byte " __stringify(STATIC_KEY_INIT_NOP) "\n\t"
23 ".pushsection __jump_table, \"aw\" \n\t" 23 ".pushsection __jump_table, \"aw\" \n\t"
24 _ASM_ALIGN "\n\t" 24 _ASM_ALIGN "\n\t"
diff --git a/arch/x86/include/asm/mutex_64.h b/arch/x86/include/asm/mutex_64.h
index e7e6751648ed..07537a44216e 100644
--- a/arch/x86/include/asm/mutex_64.h
+++ b/arch/x86/include/asm/mutex_64.h
@@ -20,7 +20,7 @@
20static inline void __mutex_fastpath_lock(atomic_t *v, 20static inline void __mutex_fastpath_lock(atomic_t *v,
21 void (*fail_fn)(atomic_t *)) 21 void (*fail_fn)(atomic_t *))
22{ 22{
23 asm volatile goto(LOCK_PREFIX " decl %0\n" 23 asm_volatile_goto(LOCK_PREFIX " decl %0\n"
24 " jns %l[exit]\n" 24 " jns %l[exit]\n"
25 : : "m" (v->counter) 25 : : "m" (v->counter)
26 : "memory", "cc" 26 : "memory", "cc"
@@ -75,7 +75,7 @@ static inline int __mutex_fastpath_lock_retval(atomic_t *count)
75static inline void __mutex_fastpath_unlock(atomic_t *v, 75static inline void __mutex_fastpath_unlock(atomic_t *v,
76 void (*fail_fn)(atomic_t *)) 76 void (*fail_fn)(atomic_t *))
77{ 77{
78 asm volatile goto(LOCK_PREFIX " incl %0\n" 78 asm_volatile_goto(LOCK_PREFIX " incl %0\n"
79 " jg %l[exit]\n" 79 " jg %l[exit]\n"
80 : : "m" (v->counter) 80 : : "m" (v->counter)
81 : "memory", "cc" 81 : "memory", "cc"
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 1191ac1c9d25..a419814cea57 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -113,7 +113,7 @@ static int __init early_get_pnodeid(void)
113 break; 113 break;
114 case UV3_HUB_PART_NUMBER: 114 case UV3_HUB_PART_NUMBER:
115 case UV3_HUB_PART_NUMBER_X: 115 case UV3_HUB_PART_NUMBER_X:
116 uv_min_hub_revision_id += UV3_HUB_REVISION_BASE - 1; 116 uv_min_hub_revision_id += UV3_HUB_REVISION_BASE;
117 break; 117 break;
118 } 118 }
119 119
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 897783b3302a..9d8449158cf9 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1888,10 +1888,7 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
1888 userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc; 1888 userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc;
1889 userpg->pmc_width = x86_pmu.cntval_bits; 1889 userpg->pmc_width = x86_pmu.cntval_bits;
1890 1890
1891 if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) 1891 if (!sched_clock_stable)
1892 return;
1893
1894 if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
1895 return; 1892 return;
1896 1893
1897 userpg->cap_user_time = 1; 1894 userpg->cap_user_time = 1;
@@ -1899,10 +1896,8 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
1899 userpg->time_shift = CYC2NS_SCALE_FACTOR; 1896 userpg->time_shift = CYC2NS_SCALE_FACTOR;
1900 userpg->time_offset = this_cpu_read(cyc2ns_offset) - now; 1897 userpg->time_offset = this_cpu_read(cyc2ns_offset) - now;
1901 1898
1902 if (sched_clock_stable && !check_tsc_disabled()) { 1899 userpg->cap_user_time_zero = 1;
1903 userpg->cap_user_time_zero = 1; 1900 userpg->time_zero = this_cpu_read(cyc2ns_offset);
1904 userpg->time_zero = this_cpu_read(cyc2ns_offset);
1905 }
1906} 1901}
1907 1902
1908/* 1903/*
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 697b93af02dd..a0e2a8a80c94 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -775,11 +775,22 @@ void __init kvm_spinlock_init(void)
775 if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT)) 775 if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
776 return; 776 return;
777 777
778 printk(KERN_INFO "KVM setup paravirtual spinlock\n"); 778 pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning);
779 pv_lock_ops.unlock_kick = kvm_unlock_kick;
780}
781
782static __init int kvm_spinlock_init_jump(void)
783{
784 if (!kvm_para_available())
785 return 0;
786 if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
787 return 0;
779 788
780 static_key_slow_inc(&paravirt_ticketlocks_enabled); 789 static_key_slow_inc(&paravirt_ticketlocks_enabled);
790 printk(KERN_INFO "KVM setup paravirtual spinlock\n");
781 791
782 pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning); 792 return 0;
783 pv_lock_ops.unlock_kick = kvm_unlock_kick;
784} 793}
794early_initcall(kvm_spinlock_init_jump);
795
785#endif /* CONFIG_PARAVIRT_SPINLOCKS */ 796#endif /* CONFIG_PARAVIRT_SPINLOCKS */
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index e643e744e4d8..7e920bff99a3 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -326,6 +326,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
326 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"), 326 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"),
327 }, 327 },
328 }, 328 },
329 { /* Handle problems with rebooting on the Latitude E5410. */
330 .callback = set_pci_reboot,
331 .ident = "Dell Latitude E5410",
332 .matches = {
333 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
334 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5410"),
335 },
336 },
329 { /* Handle problems with rebooting on the Latitude E5420. */ 337 { /* Handle problems with rebooting on the Latitude E5420. */
330 .callback = set_pci_reboot, 338 .callback = set_pci_reboot,
331 .ident = "Dell Latitude E5420", 339 .ident = "Dell Latitude E5420",
diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c
index 22513e96b012..86179d409893 100644
--- a/arch/x86/kernel/sysfb_simplefb.c
+++ b/arch/x86/kernel/sysfb_simplefb.c
@@ -72,14 +72,14 @@ __init int create_simplefb(const struct screen_info *si,
72 * the part that is occupied by the framebuffer */ 72 * the part that is occupied by the framebuffer */
73 len = mode->height * mode->stride; 73 len = mode->height * mode->stride;
74 len = PAGE_ALIGN(len); 74 len = PAGE_ALIGN(len);
75 if (len > si->lfb_size << 16) { 75 if (len > (u64)si->lfb_size << 16) {
76 printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); 76 printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n");
77 return -EINVAL; 77 return -EINVAL;
78 } 78 }
79 79
80 /* setup IORESOURCE_MEM as framebuffer memory */ 80 /* setup IORESOURCE_MEM as framebuffer memory */
81 memset(&res, 0, sizeof(res)); 81 memset(&res, 0, sizeof(res));
82 res.flags = IORESOURCE_MEM; 82 res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
83 res.name = simplefb_resname; 83 res.name = simplefb_resname;
84 res.start = si->lfb_base; 84 res.start = si->lfb_base;
85 res.end = si->lfb_base + len - 1; 85 res.end = si->lfb_base + len - 1;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3b8e7459dd4d..2b2fce1b2009 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3255,25 +3255,29 @@ static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
3255 3255
3256static void ept_load_pdptrs(struct kvm_vcpu *vcpu) 3256static void ept_load_pdptrs(struct kvm_vcpu *vcpu)
3257{ 3257{
3258 struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
3259
3258 if (!test_bit(VCPU_EXREG_PDPTR, 3260 if (!test_bit(VCPU_EXREG_PDPTR,
3259 (unsigned long *)&vcpu->arch.regs_dirty)) 3261 (unsigned long *)&vcpu->arch.regs_dirty))
3260 return; 3262 return;
3261 3263
3262 if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { 3264 if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) {
3263 vmcs_write64(GUEST_PDPTR0, vcpu->arch.mmu.pdptrs[0]); 3265 vmcs_write64(GUEST_PDPTR0, mmu->pdptrs[0]);
3264 vmcs_write64(GUEST_PDPTR1, vcpu->arch.mmu.pdptrs[1]); 3266 vmcs_write64(GUEST_PDPTR1, mmu->pdptrs[1]);
3265 vmcs_write64(GUEST_PDPTR2, vcpu->arch.mmu.pdptrs[2]); 3267 vmcs_write64(GUEST_PDPTR2, mmu->pdptrs[2]);
3266 vmcs_write64(GUEST_PDPTR3, vcpu->arch.mmu.pdptrs[3]); 3268 vmcs_write64(GUEST_PDPTR3, mmu->pdptrs[3]);
3267 } 3269 }
3268} 3270}
3269 3271
3270static void ept_save_pdptrs(struct kvm_vcpu *vcpu) 3272static void ept_save_pdptrs(struct kvm_vcpu *vcpu)
3271{ 3273{
3274 struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
3275
3272 if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { 3276 if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) {
3273 vcpu->arch.mmu.pdptrs[0] = vmcs_read64(GUEST_PDPTR0); 3277 mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0);
3274 vcpu->arch.mmu.pdptrs[1] = vmcs_read64(GUEST_PDPTR1); 3278 mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1);
3275 vcpu->arch.mmu.pdptrs[2] = vmcs_read64(GUEST_PDPTR2); 3279 mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2);
3276 vcpu->arch.mmu.pdptrs[3] = vmcs_read64(GUEST_PDPTR3); 3280 mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3);
3277 } 3281 }
3278 3282
3279 __set_bit(VCPU_EXREG_PDPTR, 3283 __set_bit(VCPU_EXREG_PDPTR,
@@ -7777,10 +7781,6 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
7777 vmcs_write64(GUEST_PDPTR1, vmcs12->guest_pdptr1); 7781 vmcs_write64(GUEST_PDPTR1, vmcs12->guest_pdptr1);
7778 vmcs_write64(GUEST_PDPTR2, vmcs12->guest_pdptr2); 7782 vmcs_write64(GUEST_PDPTR2, vmcs12->guest_pdptr2);
7779 vmcs_write64(GUEST_PDPTR3, vmcs12->guest_pdptr3); 7783 vmcs_write64(GUEST_PDPTR3, vmcs12->guest_pdptr3);
7780 __clear_bit(VCPU_EXREG_PDPTR,
7781 (unsigned long *)&vcpu->arch.regs_avail);
7782 __clear_bit(VCPU_EXREG_PDPTR,
7783 (unsigned long *)&vcpu->arch.regs_dirty);
7784 } 7784 }
7785 7785
7786 kvm_register_write(vcpu, VCPU_REGS_RSP, vmcs12->guest_rsp); 7786 kvm_register_write(vcpu, VCPU_REGS_RSP, vmcs12->guest_rsp);
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 5596c7bdd327..082e88129712 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -700,7 +700,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end,
700 if (!(pci_probe & PCI_PROBE_MMCONF) || pci_mmcfg_arch_init_failed) 700 if (!(pci_probe & PCI_PROBE_MMCONF) || pci_mmcfg_arch_init_failed)
701 return -ENODEV; 701 return -ENODEV;
702 702
703 if (start > end || !addr) 703 if (start > end)
704 return -EINVAL; 704 return -EINVAL;
705 705
706 mutex_lock(&pci_mmcfg_lock); 706 mutex_lock(&pci_mmcfg_lock);
@@ -716,6 +716,11 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end,
716 return -EEXIST; 716 return -EEXIST;
717 } 717 }
718 718
719 if (!addr) {
720 mutex_unlock(&pci_mmcfg_lock);
721 return -EINVAL;
722 }
723
719 rc = -EBUSY; 724 rc = -EBUSY;
720 cfg = pci_mmconfig_alloc(seg, start, end, addr); 725 cfg = pci_mmconfig_alloc(seg, start, end, addr);
721 if (cfg == NULL) { 726 if (cfg == NULL) {
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index d1e4777b4e75..31d04758b76f 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -278,6 +278,15 @@ static void __init xen_smp_prepare_boot_cpu(void)
278 old memory can be recycled */ 278 old memory can be recycled */
279 make_lowmem_page_readwrite(xen_initial_gdt); 279 make_lowmem_page_readwrite(xen_initial_gdt);
280 280
281#ifdef CONFIG_X86_32
282 /*
283 * Xen starts us with XEN_FLAT_RING1_DS, but linux code
284 * expects __USER_DS
285 */
286 loadsegment(ds, __USER_DS);
287 loadsegment(es, __USER_DS);
288#endif
289
281 xen_filter_cpu_maps(); 290 xen_filter_cpu_maps();
282 xen_setup_vcpu_info_placement(); 291 xen_setup_vcpu_info_placement();
283 } 292 }