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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-01-30 12:33:15 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 12:33:15 (GMT) |
| commit | 60b3f626dee9f0b1b656918e40e211822c18200d (patch) | |
| tree | dc37c871dc7b18e0a2d24cbf93487fcc2b3b6678 /include/asm-x86/paravirt.h | |
| parent | 4eed80cd7a1668df6ddd884f9474beccc81ef3f7 (diff) | |
| download | linux-60b3f626dee9f0b1b656918e40e211822c18200d.tar.xz | |
x86/paravirt: make set_pmd operation common
Remove duplicate set_pmd()s.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/paravirt.h')
| -rw-r--r-- | include/asm-x86/paravirt.h | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index ba1b943..d9957ec 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -998,6 +998,16 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, PVOP_VCALL4(pv_mmu_ops.set_pte_at, mm, addr, ptep, pte.pte); } +static inline void set_pmd(pmd_t *pmdp, pmd_t pmd) +{ + pmdval_t val = native_pmd_val(pmd); + + if (sizeof(pmdval_t) > sizeof(long)) + PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp, val, (u64)val >> 32); + else + PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, val); +} + #ifdef CONFIG_X86_PAE /* Special-case pte-setting operations for PAE, which can't update a 64-bit pte atomically */ @@ -1019,6 +1029,11 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, { PVOP_VCALL3(pv_mmu_ops.pte_clear, mm, addr, ptep); } + +static inline void pmd_clear(pmd_t *pmdp) +{ + PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp); +} #else /* !CONFIG_X86_PAE */ static inline void set_pte_atomic(pte_t *ptep, pte_t pte) { @@ -1036,6 +1051,11 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, { set_pte_at(mm, addr, ptep, __pte(0)); } + +static inline void pmd_clear(pmd_t *pmdp) +{ + set_pmd(pmdp, __pmd(0)); +} #endif /* CONFIG_X86_PAE */ #if PAGETABLE_LEVELS >= 3 @@ -1070,35 +1090,12 @@ static inline pmdval_t pmd_val(pmd_t pmd) #ifdef CONFIG_X86_PAE -static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval) -{ - PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp, - pmdval.pmd, pmdval.pmd >> 32); -} - static inline void set_pud(pud_t *pudp, pud_t pudval) { PVOP_VCALL3(pv_mmu_ops.set_pud, pudp, pudval.pgd.pgd, pudval.pgd.pgd >> 32); } -static inline void pmd_clear(pmd_t *pmdp) -{ - PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp); -} - -#else /* !CONFIG_X86_PAE */ - -static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval) -{ - PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, pmdval.pud.pgd.pgd); -} - -static inline void pmd_clear(pmd_t *pmdp) -{ - set_pmd(pmdp, __pmd(0)); -} - #endif /* CONFIG_X86_PAE */ /* Lazy mode for batching updates / context switch */ |