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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 15:08:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 15:08:45 -0700 |
| commit | 0999d978dcdcf59350dafa25afd70def9f924eee (patch) | |
| tree | e04a30f51fec1b74d3d21b59a403390e4980ad33 /include/asm-x86 | |
| parent | 70a3075d40154053ad90d342b3dcb1b795c73dbb (diff) | |
| parent | f61f1b5717dec9968efd6c8d61bd73b7a61b72a0 (diff) | |
| download | lwn-0999d978dcdcf59350dafa25afd70def9f924eee.tar.gz lwn-0999d978dcdcf59350dafa25afd70def9f924eee.zip | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: fix compat-vdso
x86/mm: unify init task OOM handling
x86/mm: do not trigger a kernel warning if user-space disables interrupts and generates a page fault
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/pgtable.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 182f9d4c570f..88a53b1a17f0 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -148,8 +148,13 @@ #ifdef CONFIG_X86_64 #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC #else +/* + * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection + * bits are combined, this will alow user to access the high address mapped + * VDSO in the presence of CONFIG_COMPAT_VDSO + */ #define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ +#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ #endif |