[PATCH] sep initializing rework
Make SEP init per-cpu, so it is hotplug safe.
Signed-off-by: Li Shaohua<shaohua.li@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c
index 6f521cf..d099d01 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_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();
@@ -136,7 +136,7 @@
* sysenter MSRs
*/
if (boot_cpu_has(X86_FEATURE_SEP))
- enable_sep_cpu(NULL);
+ enable_sep_cpu();
fix_processor_context();
do_fpu_end();