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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-21 22:59:56 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-22 10:43:45 +0200 |
| commit | 77be1fabd024b37423d12f832b1fbdb95dbdf494 (patch) | |
| tree | b1fa99ff9b1c0bcb63c7a602a425d72b24c1ede6 /arch/x86/xen/mmu.c | |
| parent | 59438c9fc4f7a92c808c9049bc6b396f98bf954c (diff) | |
| download | op-kernel-dev-77be1fabd024b37423d12f832b1fbdb95dbdf494.zip op-kernel-dev-77be1fabd024b37423d12f832b1fbdb95dbdf494.tar.gz | |
x86: add PTE_FLAGS_MASK
PTE_PFN_MASK was getting lonely, so I made it a friend.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen/mmu.c')
| -rw-r--r-- | arch/x86/xen/mmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 0db6912..aa37469 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -344,7 +344,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val) { if (val & _PAGE_PRESENT) { unsigned long mfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; - pteval_t flags = val & ~PTE_PFN_MASK; + pteval_t flags = val & PTE_FLAGS_MASK; val = ((pteval_t)mfn_to_pfn(mfn) << PAGE_SHIFT) | flags; } @@ -355,7 +355,7 @@ static pteval_t pte_pfn_to_mfn(pteval_t val) { if (val & _PAGE_PRESENT) { unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; - pteval_t flags = val & ~PTE_PFN_MASK; + pteval_t flags = val & PTE_FLAGS_MASK; val = ((pteval_t)pfn_to_mfn(pfn) << PAGE_SHIFT) | flags; } |
