Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b7fff536d0ad45c4810f9b99845c707ceadc3afc
Commit: b7fff536d0ad45c4810f9b99845c707ceadc3afc
Parent: 38472311679d8784c2934d071ddda23d9b3fe264
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:32:57 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:32:57 2008 +0100
x86: fix pte_modify() bug
fix sign extension bug in PTE_MASK / _PTE_CHG_MASK.
this resolves the following bootup crash on PAE systems:
[ 94.710726] init[1]: segfault at 00000004 ip 49471cbb sp bff0c6c0 error 4
[ 94.717764] init[1]: segfault at 00000004 ip 49471cbb sp bff0c6c0 error 4
[ 94.724772] init[1]: segfault at 00000004 ip 49471cbb sp bff0c6c0 error 4
[ 94.731777] init[1]: segfault at 00000004 ip 49471cbb sp bff0c6c0 error 4
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
include/asm-x86/page.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 3a00d0d..9192056 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -11,7 +11,7 @@
#ifdef __KERNEL__
#define PHYSICAL_PAGE_MASK (PAGE_MASK & __PHYSICAL_MASK)
-#define PTE_MASK PHYSICAL_PAGE_MASK
+#define PTE_MASK (_AT(long, PHYSICAL_PAGE_MASK))
#define LARGE_PAGE_SIZE (_AC(1,UL) << PMD_SHIFT)
#define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1))
-
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