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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 | |
| parent | d1028a154c65d7fadd1b2d0276c077014d401ec7 (diff) | |
| download | linux-3.10-d7c8f21a8cad0228c7c5ce2bb6dbd95d1ee49d13.tar.gz linux-3.10-d7c8f21a8cad0228c7c5ce2bb6dbd95d1ee49d13.tar.bz2 linux-3.10-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')
| -rw-r--r-- | include/asm-x86/agp.h | 6 | ||||
| -rw-r--r-- | include/asm-x86/cacheflush.h | 1 |
2 files changed, 1 insertions, 6 deletions
diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h index f6df7256183..0c309b9a521 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 diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index d15ff359d3e..157da0206cc 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -24,7 +24,6 @@ #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) -void global_flush_tlb(void); int __deprecated_for_modules change_page_attr(struct page *page, int numpages, pgprot_t prot); |