Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90767bd13febfdf8a5f5077e2bb975f79d6b919c
Commit: 90767bd13febfdf8a5f5077e2bb975f79d6b919c
Parent: 9ce883becb83190061369940de9c415595836c9b
Author: Andi Kleen <[EMAIL PROTECTED]>
AuthorDate: Tue Apr 24 13:05:37 2007 +0200
Committer: Andi Kleen <[EMAIL PROTECTED]>
CommitDate: Tue Apr 24 13:05:37 2007 +0200
[PATCH] x86-64: Always flush all pages in change_page_attr
change_page_attr on x86-64 only flushed the TLB for pages that got
reverted. That's not correct: it has to be flushed in all cases.
This bug was added in some earlier changes.
Just flush all pages for now.
This could be done more efficiently, but for this late in the release
this seem to be the best fix.
Pointed out by Jan Beulich
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
---
arch/x86_64/mm/pageattr.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 65c5eaa..081409a 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -81,8 +81,8 @@ static void flush_kernel_map(void *arg)
void *adr = page_address(pg);
if (cpu_has_clflush)
cache_flush_page(adr);
- __flush_tlb_one(adr);
}
+ __flush_tlb_all();
}
static inline void flush_map(struct list_head *l)
-
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