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| 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 /drivers/char | |
| parent | 9689ba8ad0dc27c0a2ce40eb4c0f8fb66551119c (diff) | |
| download | linux-6619a8fb594486363783cc4a8372e4d4ee4b913e.tar.gz linux-6619a8fb594486363783cc4a8372e4d4ee4b913e.tar.bz2 linux-6619a8fb594486363783cc4a8372e4d4ee4b913e.zip | |
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 'drivers/char')
| -rw-r--r-- | drivers/char/agp/efficeon-agp.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c index d78cd09186aa..cac0009cebc1 100644 --- a/drivers/char/agp/efficeon-agp.c +++ b/drivers/char/agp/efficeon-agp.c @@ -221,7 +221,7 @@ static int efficeon_create_gatt_table(struct agp_bridge_data *bridge) SetPageReserved(virt_to_page((char *)page)); for (offset = 0; offset < PAGE_SIZE; offset += clflush_chunk) - asm volatile("clflush %0" : : "m" (*(char *)(page+offset))); + clflush((char *)page+offset); efficeon_private.l1_table[index] = page; @@ -268,15 +268,16 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t *page = insert; /* clflush is slow, so don't clflush until we have to */ - if ( last_page && - ((unsigned long)page^(unsigned long)last_page) & clflush_mask ) - asm volatile("clflush %0" : : "m" (*last_page)); + if (last_page && + (((unsigned long)page^(unsigned long)last_page) & + clflush_mask)) + clflush(last_page); last_page = page; } if ( last_page ) - asm volatile("clflush %0" : : "m" (*last_page)); + clflush(last_page); agp_bridge->driver->tlb_flush(mem); return 0; |