diff options
| author | Keshavamurthy, Anil S <anil.s.keshavamurthy@intel.com> | 2007-10-21 16:41:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-22 08:13:18 -0700 |
| commit | a9c55b3ba8c3552d22155951e661767b3d424053 (patch) | |
| tree | 5f33d8c8215063f17e37414cb99bc477e3dbda6b | |
| parent | 994a65e25df85abc465cfee495557200e8205f9e (diff) | |
| download | linux-a9c55b3ba8c3552d22155951e661767b3d424053.tar.bz2 | |
Intel IOMMU: clflush_cache_range now takes size param
Introduce the size param for clflush_cache_range().
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Greg KH <greg@kroah.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86/mm/pageattr_64.c | 6 | ||||
| -rw-r--r-- | include/asm-x86/cacheflush.h | 1 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c index c7b7dfe1d405..c40afbaaf93d 100644 --- a/arch/x86/mm/pageattr_64.c +++ b/arch/x86/mm/pageattr_64.c @@ -61,10 +61,10 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot, return base; } -static void cache_flush_page(void *adr) +void clflush_cache_range(void *adr, int size) { int i; - for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size) + for (i = 0; i < size; i += boot_cpu_data.x86_clflush_size) clflush(adr+i); } @@ -80,7 +80,7 @@ static void flush_kernel_map(void *arg) asm volatile("wbinvd" ::: "memory"); else list_for_each_entry(pg, l, lru) { void *adr = page_address(pg); - cache_flush_page(adr); + clflush_cache_range(adr, PAGE_SIZE); } __flush_tlb_all(); } diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index b3d43de44c59..9411a2d3f19c 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -27,6 +27,7 @@ void global_flush_tlb(void); int change_page_attr(struct page *page, int numpages, pgprot_t prot); int change_page_attr_addr(unsigned long addr, int numpages, pgprot_t prot); +void clflush_cache_range(void *addr, int size); #ifdef CONFIG_DEBUG_PAGEALLOC /* internal debugging function */ |