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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 13:34:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:34:07 +0100 |
| commit | d7c8f21a8cad0228c7c5ce2bb6dbd95d1ee49d13 (patch) | |
| tree | d1e305bec62022a0bec82a3499a372c2c7c40583 /include/asm-x86/agp.h | |
| parent | d1028a154c65d7fadd1b2d0276c077014d401ec7 (diff) | |
| download | blackbird-op-linux-d7c8f21a8cad0228c7c5ce2bb6dbd95d1ee49d13.tar.gz blackbird-op-linux-d7c8f21a8cad0228c7c5ce2bb6dbd95d1ee49d13.zip | |
x86: cpa: move flush to cpa
The set_memory_* and set_pages_* family of API's currently requires the
callers to do a global tlb flush after the function call; forgetting this is
a very nasty deathtrap. This patch moves the global tlb flush into
each of the callers
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/agp.h')
| -rw-r--r-- | include/asm-x86/agp.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h index f6df72561832..0c309b9a5217 100644 --- a/include/asm-x86/agp.h +++ b/include/asm-x86/agp.h @@ -12,13 +12,9 @@ * page. This avoids data corruption on some CPUs. */ -/* - * Caller's responsibility to call global_flush_tlb() for performance - * reasons - */ #define map_page_into_agp(page) set_pages_uc(page, 1) #define unmap_page_from_agp(page) set_pages_wb(page, 1) -#define flush_agp_mappings() global_flush_tlb() +#define flush_agp_mappings() do { } while (0) /* * Could use CLFLUSH here if the cpu supports it. But then it would |
