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authorIngo Molnar <mingo@elte.hu>2009-01-20 03:23:28 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-20 03:23:28 -0500
commit0ce1c383681370964e7f77dd44506aeb3a6ba657 (patch)
tree75aa590c636feed7d110c03eddb56cc518fc034c /arch/x86/kernel
parent0a2a18b721abc960fbcada406746877d22340a60 (diff)
parent1de9e8e70f5acc441550ca75433563d91b269bbe (diff)
Merge commit 'v2.6.29-rc2' into x86/mm
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c25
-rw-r--r--arch/x86/kernel/entry_32.S2
-rw-r--r--arch/x86/kernel/kprobes.c2
-rw-r--r--arch/x86/kernel/mpparse.c1
-rw-r--r--arch/x86/kernel/syscall_table_32.S2
6 files changed, 16 insertions, 17 deletions
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 566a08466b19..0f830e4f5675 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -47,6 +47,7 @@
47#include <asm/proto.h> 47#include <asm/proto.h>
48#include <asm/apic.h> 48#include <asm/apic.h>
49#include <asm/i8259.h> 49#include <asm/i8259.h>
50#include <asm/smp.h>
50 51
51#include <mach_apic.h> 52#include <mach_apic.h>
52#include <mach_apicdef.h> 53#include <mach_apicdef.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 06fcd8f9323c..6f11e029e8c5 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -150,9 +150,8 @@ struct drv_cmd {
150 u32 val; 150 u32 val;
151}; 151};
152 152
153static long do_drv_read(void *_cmd) 153static void do_drv_read(struct drv_cmd *cmd)
154{ 154{
155 struct drv_cmd *cmd = _cmd;
156 u32 h; 155 u32 h;
157 156
158 switch (cmd->type) { 157 switch (cmd->type) {
@@ -167,12 +166,10 @@ static long do_drv_read(void *_cmd)
167 default: 166 default:
168 break; 167 break;
169 } 168 }
170 return 0;
171} 169}
172 170
173static long do_drv_write(void *_cmd) 171static void do_drv_write(struct drv_cmd *cmd)
174{ 172{
175 struct drv_cmd *cmd = _cmd;
176 u32 lo, hi; 173 u32 lo, hi;
177 174
178 switch (cmd->type) { 175 switch (cmd->type) {
@@ -189,23 +186,30 @@ static long do_drv_write(void *_cmd)
189 default: 186 default:
190 break; 187 break;
191 } 188 }
192 return 0;
193} 189}
194 190
195static void drv_read(struct drv_cmd *cmd) 191static void drv_read(struct drv_cmd *cmd)
196{ 192{
193 cpumask_t saved_mask = current->cpus_allowed;
197 cmd->val = 0; 194 cmd->val = 0;
198 195
199 work_on_cpu(cpumask_any(cmd->mask), do_drv_read, cmd); 196 set_cpus_allowed_ptr(current, cmd->mask);
197 do_drv_read(cmd);
198 set_cpus_allowed_ptr(current, &saved_mask);
200} 199}
201 200
202static void drv_write(struct drv_cmd *cmd) 201static void drv_write(struct drv_cmd *cmd)
203{ 202{
203 cpumask_t saved_mask = current->cpus_allowed;
204 unsigned int i; 204 unsigned int i;
205 205
206 for_each_cpu(i, cmd->mask) { 206 for_each_cpu(i, cmd->mask) {
207 work_on_cpu(i, do_drv_write, cmd); 207 set_cpus_allowed_ptr(current, cpumask_of(i));
208 do_drv_write(cmd);
208 } 209 }
210
211 set_cpus_allowed_ptr(current, &saved_mask);
212 return;
209} 213}
210 214
211static u32 get_cur_val(const struct cpumask *mask) 215static u32 get_cur_val(const struct cpumask *mask)
@@ -231,15 +235,10 @@ static u32 get_cur_val(const struct cpumask *mask)
231 return 0; 235 return 0;
232 } 236 }
233 237
234 if (unlikely(!alloc_cpumask_var(&cmd.mask, GFP_KERNEL)))
235 return 0;
236
237 cpumask_copy(cmd.mask, mask); 238 cpumask_copy(cmd.mask, mask);
238 239
239 drv_read(&cmd); 240 drv_read(&cmd);
240 241
241 free_cpumask_var(cmd.mask);
242
243 dprintk("get_cur_val = %u\n", cmd.val); 242 dprintk("get_cur_val = %u\n", cmd.val);
244 243
245 return cmd.val; 244 return cmd.val;
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index d6f0490a7391..46469029e9d3 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1203,7 +1203,6 @@ nmi_stack_correct:
1203 pushl %eax 1203 pushl %eax
1204 CFI_ADJUST_CFA_OFFSET 4 1204 CFI_ADJUST_CFA_OFFSET 4
1205 SAVE_ALL 1205 SAVE_ALL
1206 TRACE_IRQS_OFF
1207 xorl %edx,%edx # zero error code 1206 xorl %edx,%edx # zero error code
1208 movl %esp,%eax # pt_regs pointer 1207 movl %esp,%eax # pt_regs pointer
1209 call do_nmi 1208 call do_nmi
@@ -1244,7 +1243,6 @@ nmi_espfix_stack:
1244 pushl %eax 1243 pushl %eax
1245 CFI_ADJUST_CFA_OFFSET 4 1244 CFI_ADJUST_CFA_OFFSET 4
1246 SAVE_ALL 1245 SAVE_ALL
1247 TRACE_IRQS_OFF
1248 FIXUP_ESPFIX_STACK # %eax == %esp 1246 FIXUP_ESPFIX_STACK # %eax == %esp
1249 xorl %edx,%edx # zero error code 1247 xorl %edx,%edx # zero error code
1250 call do_nmi 1248 call do_nmi
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 884d985b8b82..e948b28a5a9a 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -446,7 +446,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
446static void __kprobes setup_singlestep(struct kprobe *p, struct pt_regs *regs, 446static void __kprobes setup_singlestep(struct kprobe *p, struct pt_regs *regs,
447 struct kprobe_ctlblk *kcb) 447 struct kprobe_ctlblk *kcb)
448{ 448{
449#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PM) 449#if !defined(CONFIG_PREEMPT) || defined(CONFIG_FREEZER)
450 if (p->ainsn.boostable == 1 && !p->post_handler) { 450 if (p->ainsn.boostable == 1 && !p->post_handler) {
451 /* Boost up -- we can execute copied instructions directly */ 451 /* Boost up -- we can execute copied instructions directly */
452 reset_current_kprobe(); 452 reset_current_kprobe();
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index c0601c2848a1..a649a4ccad43 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -27,6 +27,7 @@
27#include <asm/e820.h> 27#include <asm/e820.h>
28#include <asm/trampoline.h> 28#include <asm/trampoline.h>
29#include <asm/setup.h> 29#include <asm/setup.h>
30#include <asm/smp.h>
30 31
31#include <mach_apic.h> 32#include <mach_apic.h>
32#ifdef CONFIG_X86_32 33#ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index d44395ff34c3..e2e86a08f31d 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -88,7 +88,7 @@ ENTRY(sys_call_table)
88 .long sys_uselib 88 .long sys_uselib
89 .long sys_swapon 89 .long sys_swapon
90 .long sys_reboot 90 .long sys_reboot
91 .long old_readdir 91 .long sys_old_readdir
92 .long old_mmap /* 90 */ 92 .long old_mmap /* 90 */
93 .long sys_munmap 93 .long sys_munmap
94 .long sys_truncate 94 .long sys_truncate