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Diffstat (limited to 'include/asm-i386')
-rw-r--r--include/asm-i386/i387.h15
1 files changed, 7 insertions, 8 deletions
diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h
index e678609bb57..6747006743f 100644
--- a/include/asm-i386/i387.h
+++ b/include/asm-i386/i387.h
@@ -33,7 +33,7 @@ extern void init_fpu(struct task_struct *);
"nop ; frstor %1", \
"fxrstor %1", \
X86_FEATURE_FXSR, \
- "m" ((tsk)->thread.i387.fsave))
+ "m" ((tsk)->thread.i387.fxsave))
extern void kernel_fpu_begin(void);
#define kernel_fpu_end() do { stts(); preempt_enable(); } while(0)
@@ -43,13 +43,12 @@ extern void kernel_fpu_begin(void);
*/
static inline void __save_init_fpu( struct task_struct *tsk )
{
- if ( cpu_has_fxsr ) {
- asm volatile( "fxsave %0 ; fnclex"
- : "=m" (tsk->thread.i387.fxsave) );
- } else {
- asm volatile( "fnsave %0 ; fwait"
- : "=m" (tsk->thread.i387.fsave) );
- }
+ alternative_input(
+ "fnsave %1 ; fwait ;" GENERIC_NOP2,
+ "fxsave %1 ; fnclex",
+ X86_FEATURE_FXSR,
+ "m" (tsk->thread.i387.fxsave)
+ :"memory");
tsk->thread_info->status &= ~TS_USEDFPU;
}