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x86: Create clflush() inline, remove hardcoded wbinvd

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Create an inline function for clflush(), with the proper arguments,
and use it instead of hard-coding the instruction.

This also removes one instance of hard-coded wbinvd, based on a patch
by Bauder de Oliveira Costa.

[ tglx: arch/x86 adaptation ]

Cc: Andi Kleen <andi@firstfloor.org>
Cc: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
H. Peter Anvin
2007-10-17 18:04:37 +02:00
committed by Thomas Gleixner
parent 9689ba8ad0
commit 6619a8fb59
6 changed files with 20 additions and 10 deletions
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4
include/asm-x86/system_32.h
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@@ -161,6 +161,10 @@ static inline void native_wbinvd(void)
asm volatile("wbinvd": : :"memory");
}
static inline void clflush(volatile void *__p)
{
asm volatile("clflush %0" : "+m" (*(char __force *)__p));
}
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>