diff options
| -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 ba1b9433414..d9957ece49b 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 */ |