Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a9c55b3ba8c3552d22155951e661767b3d424053
Commit: a9c55b3ba8c3552d22155951e661767b3d424053
Parent: 994a65e25df85abc465cfee495557200e8205f9e
Author: Keshavamurthy, Anil S <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 21 16:41:47 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 08:13:18 2007 -0700
Intel IOMMU: clflush_cache_range now takes size param
Introduce the size param for clflush_cache_range().
Signed-off-by: Anil S Keshavamurthy <[EMAIL PROTECTED]>
Cc: Andi Kleen <[EMAIL PROTECTED]>
Cc: Peter Zijlstra <[EMAIL PROTECTED]>
Cc: Muli Ben-Yehuda <[EMAIL PROTECTED]>
Cc: "Siddha, Suresh B" <[EMAIL PROTECTED]>
Cc: Arjan van de Ven <[EMAIL PROTECTED]>
Cc: Ashok Raj <[EMAIL PROTECTED]>
Cc: "David S. Miller" <[EMAIL PROTECTED]>
Cc: Christoph Lameter <[EMAIL PROTECTED]>
Cc: Greg KH <[EMAIL PROTECTED]>
Cc: Thomas Gleixner <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/x86/mm/pageattr_64.c | 6 +++---
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 c7b7dfe..c40afba 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 b3d43de..9411a2d 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 */
-
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