diff options
Diffstat (limited to 'arch/x86/power')
-rw-r--r-- | arch/x86/power/cpu.c | 26 | ||||
-rw-r--r-- | arch/x86/power/hibernate_32.c | 1 | ||||
-rw-r--r-- | arch/x86/power/hibernate_64.c | 1 | ||||
-rw-r--r-- | arch/x86/power/hibernate_asm_32.S | 15 |
4 files changed, 10 insertions, 33 deletions
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 8aa85f17667e..0a979f3e5b8a 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <asm/mce.h> | 18 | #include <asm/mce.h> |
19 | #include <asm/xcr.h> | 19 | #include <asm/xcr.h> |
20 | #include <asm/suspend.h> | 20 | #include <asm/suspend.h> |
21 | #include <asm/debugreg.h> | ||
21 | 22 | ||
22 | #ifdef CONFIG_X86_32 | 23 | #ifdef CONFIG_X86_32 |
23 | static struct saved_context saved_context; | 24 | static struct saved_context saved_context; |
@@ -142,31 +143,6 @@ static void fix_processor_context(void) | |||
142 | #endif | 143 | #endif |
143 | load_TR_desc(); /* This does ltr */ | 144 | load_TR_desc(); /* This does ltr */ |
144 | load_LDT(¤t->active_mm->context); /* This does lldt */ | 145 | load_LDT(¤t->active_mm->context); /* This does lldt */ |
145 | |||
146 | /* | ||
147 | * Now maybe reload the debug registers | ||
148 | */ | ||
149 | if (current->thread.debugreg7) { | ||
150 | #ifdef CONFIG_X86_32 | ||
151 | set_debugreg(current->thread.debugreg0, 0); | ||
152 | set_debugreg(current->thread.debugreg1, 1); | ||
153 | set_debugreg(current->thread.debugreg2, 2); | ||
154 | set_debugreg(current->thread.debugreg3, 3); | ||
155 | /* no 4 and 5 */ | ||
156 | set_debugreg(current->thread.debugreg6, 6); | ||
157 | set_debugreg(current->thread.debugreg7, 7); | ||
158 | #else | ||
159 | /* CONFIG_X86_64 */ | ||
160 | loaddebug(¤t->thread, 0); | ||
161 | loaddebug(¤t->thread, 1); | ||
162 | loaddebug(¤t->thread, 2); | ||
163 | loaddebug(¤t->thread, 3); | ||
164 | /* no 4 and 5 */ | ||
165 | loaddebug(¤t->thread, 6); | ||
166 | loaddebug(¤t->thread, 7); | ||
167 | #endif | ||
168 | } | ||
169 | |||
170 | } | 146 | } |
171 | 147 | ||
172 | /** | 148 | /** |
diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c index 81197c62d5b3..3769079874d8 100644 --- a/arch/x86/power/hibernate_32.c +++ b/arch/x86/power/hibernate_32.c | |||
@@ -6,6 +6,7 @@ | |||
6 | * Copyright (c) 2006 Rafael J. Wysocki <rjw@sisk.pl> | 6 | * Copyright (c) 2006 Rafael J. Wysocki <rjw@sisk.pl> |
7 | */ | 7 | */ |
8 | 8 | ||
9 | #include <linux/gfp.h> | ||
9 | #include <linux/suspend.h> | 10 | #include <linux/suspend.h> |
10 | #include <linux/bootmem.h> | 11 | #include <linux/bootmem.h> |
11 | 12 | ||
diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c index 65fdc86e923f..d24f983ba1e5 100644 --- a/arch/x86/power/hibernate_64.c +++ b/arch/x86/power/hibernate_64.c | |||
@@ -8,6 +8,7 @@ | |||
8 | * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org> | 8 | * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org> |
9 | */ | 9 | */ |
10 | 10 | ||
11 | #include <linux/gfp.h> | ||
11 | #include <linux/smp.h> | 12 | #include <linux/smp.h> |
12 | #include <linux/suspend.h> | 13 | #include <linux/suspend.h> |
13 | #include <asm/proto.h> | 14 | #include <asm/proto.h> |
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S index b641388d8286..ad47daeafa4e 100644 --- a/arch/x86/power/hibernate_asm_32.S +++ b/arch/x86/power/hibernate_asm_32.S | |||
@@ -27,10 +27,17 @@ ENTRY(swsusp_arch_suspend) | |||
27 | ret | 27 | ret |
28 | 28 | ||
29 | ENTRY(restore_image) | 29 | ENTRY(restore_image) |
30 | movl mmu_cr4_features, %ecx | ||
30 | movl resume_pg_dir, %eax | 31 | movl resume_pg_dir, %eax |
31 | subl $__PAGE_OFFSET, %eax | 32 | subl $__PAGE_OFFSET, %eax |
32 | movl %eax, %cr3 | 33 | movl %eax, %cr3 |
33 | 34 | ||
35 | jecxz 1f # cr4 Pentium and higher, skip if zero | ||
36 | andl $~(X86_CR4_PGE), %ecx | ||
37 | movl %ecx, %cr4; # turn off PGE | ||
38 | movl %cr3, %eax; # flush TLB | ||
39 | movl %eax, %cr3 | ||
40 | 1: | ||
34 | movl restore_pblist, %edx | 41 | movl restore_pblist, %edx |
35 | .p2align 4,,7 | 42 | .p2align 4,,7 |
36 | 43 | ||
@@ -54,16 +61,8 @@ done: | |||
54 | movl $swapper_pg_dir, %eax | 61 | movl $swapper_pg_dir, %eax |
55 | subl $__PAGE_OFFSET, %eax | 62 | subl $__PAGE_OFFSET, %eax |
56 | movl %eax, %cr3 | 63 | movl %eax, %cr3 |
57 | /* Flush TLB, including "global" things (vmalloc) */ | ||
58 | movl mmu_cr4_features, %ecx | 64 | movl mmu_cr4_features, %ecx |
59 | jecxz 1f # cr4 Pentium and higher, skip if zero | 65 | jecxz 1f # cr4 Pentium and higher, skip if zero |
60 | movl %ecx, %edx | ||
61 | andl $~(X86_CR4_PGE), %edx | ||
62 | movl %edx, %cr4; # turn off PGE | ||
63 | 1: | ||
64 | movl %cr3, %eax; # flush TLB | ||
65 | movl %eax, %cr3 | ||
66 | jecxz 1f # cr4 Pentium and higher, skip if zero | ||
67 | movl %ecx, %cr4; # turn PGE back on | 66 | movl %ecx, %cr4; # turn PGE back on |
68 | 1: | 67 | 1: |
69 | 68 | ||