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authorJeff Garzik <jgarzik@pobox.com>2005-08-29 22:40:27 +0200
committerJeff Garzik <jgarzik@pobox.com>2005-08-29 22:40:27 +0200
commitc1b054d03f5b31c33eaa0b267c629b118eaf3790 (patch)
tree9333907ca767be24fcb3667877242976c3e3c8dd /arch/i386/power/cpu.c
parentUpdate Chelsio gige net driver. (diff)
parent[PATCH] missing include in smc-ultra (diff)
downloadlinux-c1b054d03f5b31c33eaa0b267c629b118eaf3790.tar.xz
linux-c1b054d03f5b31c33eaa0b267c629b118eaf3790.zip
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/i386/power/cpu.c')
-rw-r--r--arch/i386/power/cpu.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c
index cf337c673d92..c547c1af6fa1 100644
--- a/arch/i386/power/cpu.c
+++ b/arch/i386/power/cpu.c
@@ -22,9 +22,11 @@
#include <linux/device.h>
#include <linux/suspend.h>
#include <linux/acpi.h>
+
#include <asm/uaccess.h>
#include <asm/acpi.h>
#include <asm/tlbflush.h>
+#include <asm/processor.h>
static struct saved_context saved_context;
@@ -33,8 +35,6 @@ unsigned long saved_context_esp, saved_context_ebp;
unsigned long saved_context_esi, saved_context_edi;
unsigned long saved_context_eflags;
-extern void enable_sep_cpu(void *);
-
void __save_processor_state(struct saved_context *ctxt)
{
kernel_fpu_begin();
@@ -44,7 +44,6 @@ void __save_processor_state(struct saved_context *ctxt)
*/
asm volatile ("sgdt %0" : "=m" (ctxt->gdt_limit));
asm volatile ("sidt %0" : "=m" (ctxt->idt_limit));
- asm volatile ("sldt %0" : "=m" (ctxt->ldt));
asm volatile ("str %0" : "=m" (ctxt->tr));
/*
@@ -94,20 +93,19 @@ static void fix_processor_context(void)
* Now maybe reload the debug registers
*/
if (current->thread.debugreg[7]){
- loaddebug(&current->thread, 0);
- loaddebug(&current->thread, 1);
- loaddebug(&current->thread, 2);
- loaddebug(&current->thread, 3);
- /* no 4 and 5 */
- loaddebug(&current->thread, 6);
- loaddebug(&current->thread, 7);
+ set_debugreg(current->thread.debugreg[0], 0);
+ set_debugreg(current->thread.debugreg[1], 1);
+ set_debugreg(current->thread.debugreg[2], 2);
+ set_debugreg(current->thread.debugreg[3], 3);
+ /* no 4 and 5 */
+ set_debugreg(current->thread.debugreg[6], 6);
+ set_debugreg(current->thread.debugreg[7], 7);
}
}
void __restore_processor_state(struct saved_context *ctxt)
{
-
/*
* control registers
*/
@@ -117,6 +115,13 @@ void __restore_processor_state(struct saved_context *ctxt)
asm volatile ("movl %0, %%cr0" :: "r" (ctxt->cr0));
/*
+ * now restore the descriptor tables to their proper values
+ * ltr is done i fix_processor_context().
+ */
+ asm volatile ("lgdt %0" :: "m" (ctxt->gdt_limit));
+ asm volatile ("lidt %0" :: "m" (ctxt->idt_limit));
+
+ /*
* segment registers
*/
asm volatile ("movw %0, %%es" :: "r" (ctxt->es));
@@ -125,21 +130,14 @@ void __restore_processor_state(struct saved_context *ctxt)
asm volatile ("movw %0, %%ss" :: "r" (ctxt->ss));
/*
- * now restore the descriptor tables to their proper values
- * ltr is done i fix_processor_context().
- */
- asm volatile ("lgdt %0" :: "m" (ctxt->gdt_limit));
- asm volatile ("lidt %0" :: "m" (ctxt->idt_limit));
- asm volatile ("lldt %0" :: "m" (ctxt->ldt));
-
- /*
* sysenter MSRs
*/
if (boot_cpu_has(X86_FEATURE_SEP))
- enable_sep_cpu(NULL);
+ enable_sep_cpu();
fix_processor_context();
do_fpu_end();
+ mtrr_ap_init();
}
void restore_processor_state(void)