x86: Create clflush() inline, remove hardcoded wbinvd
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>
diff --git a/arch/x86/kernel/tce_64.c b/arch/x86/kernel/tce_64.c
index e3f2569..9e540fe 100644
--- a/arch/x86/kernel/tce_64.c
+++ b/arch/x86/kernel/tce_64.c
@@ -40,9 +40,9 @@
{
/* 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,