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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
arch/x86/kernel/tce_64.c
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@@ -40,9 +40,9 @@ static inline void flush_tce(void* tceaddr)
{
/* a single tce can't cross a cache line */
if (cpu_has_clflush)
asm volatile("clflush (%0)" :: "r" (tceaddr));
clflush(tceaddr);
else
asm volatile("wbinvd":::"memory");
wbinvd();
}
void tce_build(struct iommu_table *tbl, unsigned long index,