diff options
| author |   Andi Kleen <ak@suse.de> | 2008-01-30 13:33:53 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:53 +0100 |
| commit | 1e8e23bc469a11fc190a6bace857075d83dc2555 (patch) | |
| tree | 9ddc60959b73a194e07756be04576197bd26cdcb | |
| parent | x86: c_p_a() make it more robust against use of PAT bits (diff) | |
x86: introduce canon_pgprot()
Introduce canon_pgprot()
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/asm-x86/pgtable.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 2f93723a3e18..2726ddc457fd 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -189,6 +189,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define pte_pgprot(x) __pgprot(pte_val(x) & (0xfff | _PAGE_NX)) +#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask) + #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #else /* !CONFIG_PARAVIRT */ |