diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2007-10-17 18:04:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 20:16:12 +0200 |
| commit | 6619a8fb594486363783cc4a8372e4d4ee4b913e (patch) | |
| tree | 83130702b16dae3ccae5be54acd18993474ff757 /arch/x86 | |
| parent | 9689ba8ad0dc27c0a2ce40eb4c0f8fb66551119c (diff) | |
| download | op-kernel-dev-6619a8fb594486363783cc4a8372e4d4ee4b913e.zip op-kernel-dev-6619a8fb594486363783cc4a8372e4d4ee4b913e.tar.gz | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/tce_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pageattr_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pageattr_64.c | 2 |
3 files changed, 5 insertions, 5 deletions
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 @@ 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, diff --git a/arch/x86/mm/pageattr_32.c b/arch/x86/mm/pageattr_32.c index 4241a74..260073c 100644 --- a/arch/x86/mm/pageattr_32.c +++ b/arch/x86/mm/pageattr_32.c @@ -70,10 +70,10 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot, static void cache_flush_page(struct page *p) { - unsigned long adr = (unsigned long)page_address(p); + void *adr = page_address(p); int i; for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size) - asm volatile("clflush (%0)" :: "r" (adr + i)); + clflush(adr+i); } static void flush_kernel_map(void *arg) diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c index 93d795d..8a4f65b 100644 --- a/arch/x86/mm/pageattr_64.c +++ b/arch/x86/mm/pageattr_64.c @@ -65,7 +65,7 @@ static void cache_flush_page(void *adr) { int i; for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size) - asm volatile("clflush (%0)" :: "r" (adr + i)); + clflush(adr+i); } static void flush_kernel_map(void *arg) |
