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authorJeremy Fitzhardinge <jeremy@goop.org>2008-07-21 22:59:56 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-22 10:43:45 +0200
commit77be1fabd024b37423d12f832b1fbdb95dbdf494 (patch)
treeb1fa99ff9b1c0bcb63c7a602a425d72b24c1ede6 /arch
parent59438c9fc4f7a92c808c9049bc6b396f98bf954c (diff)
downloadop-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')
-rw-r--r--arch/x86/mm/dump_pagetables.c6
-rw-r--r--arch/x86/xen/mmu.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index cc174fc..a20d1fa 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -221,7 +221,7 @@ static void walk_pmd_level(struct seq_file *m, struct pg_state *st, pud_t addr,
for (i = 0; i < PTRS_PER_PMD; i++) {
st->current_address = normalize_addr(P + i * PMD_LEVEL_MULT);
if (!pmd_none(*start)) {
- pgprotval_t prot = pmd_val(*start) & ~PTE_PFN_MASK;
+ pgprotval_t prot = pmd_val(*start) & PTE_FLAGS_MASK;
if (pmd_large(*start) || !pmd_present(*start))
note_page(m, st, __pgprot(prot), 3);
@@ -253,7 +253,7 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, pgd_t addr,
for (i = 0; i < PTRS_PER_PUD; i++) {
st->current_address = normalize_addr(P + i * PUD_LEVEL_MULT);
if (!pud_none(*start)) {
- pgprotval_t prot = pud_val(*start) & ~PTE_PFN_MASK;
+ pgprotval_t prot = pud_val(*start) & PTE_FLAGS_MASK;
if (pud_large(*start) || !pud_present(*start))
note_page(m, st, __pgprot(prot), 2);
@@ -288,7 +288,7 @@ static void walk_pgd_level(struct seq_file *m)
for (i = 0; i < PTRS_PER_PGD; i++) {
st.current_address = normalize_addr(i * PGD_LEVEL_MULT);
if (!pgd_none(*start)) {
- pgprotval_t prot = pgd_val(*start) & ~PTE_PFN_MASK;
+ pgprotval_t prot = pgd_val(*start) & PTE_FLAGS_MASK;
if (pgd_large(*start) || !pgd_present(*start))
note_page(m, &st, __pgprot(prot), 1);
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;
}
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