diff options
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 25 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 3 |
3 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 7709c12431b8..2071a8b2b32f 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -435,6 +435,11 @@ static inline void pte_update(struct mm_struct *mm, unsigned long addr, { PVOP_VCALL3(pv_mmu_ops.pte_update, mm, addr, ptep); } +static inline void pmd_update(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp) +{ + PVOP_VCALL3(pv_mmu_ops.pmd_update, mm, addr, pmdp); +} static inline void pte_update_defer(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -442,6 +447,12 @@ static inline void pte_update_defer(struct mm_struct *mm, unsigned long addr, PVOP_VCALL3(pv_mmu_ops.pte_update_defer, mm, addr, ptep); } +static inline void pmd_update_defer(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp) +{ + PVOP_VCALL3(pv_mmu_ops.pmd_update_defer, mm, addr, pmdp); +} + static inline pte_t __pte(pteval_t val) { pteval_t ret; @@ -543,6 +554,20 @@ 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); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmd) +{ +#if PAGETABLE_LEVELS >= 3 + if (sizeof(pmdval_t) > sizeof(long)) + /* 5 arg words */ + pv_mmu_ops.set_pmd_at(mm, addr, pmdp, pmd); + else + PVOP_VCALL4(pv_mmu_ops.set_pmd_at, mm, addr, pmdp, pmd.pmd); +#endif +} +#endif + static inline void set_pmd(pmd_t *pmdp, pmd_t pmd) { pmdval_t val = native_pmd_val(pmd); diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index b82bac975250..82885099c869 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -265,10 +265,16 @@ struct pv_mmu_ops { void (*set_pte_at)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval); void (*set_pmd)(pmd_t *pmdp, pmd_t pmdval); + void (*set_pmd_at)(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmdval); void (*pte_update)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); void (*pte_update_defer)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); + void (*pmd_update)(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp); + void (*pmd_update_defer)(struct mm_struct *mm, + unsigned long addr, pmd_t *pmdp); pte_t (*ptep_modify_prot_start)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index c5b250011fd4..869e1aeeb71b 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -421,8 +421,11 @@ struct pv_mmu_ops pv_mmu_ops = { .set_pte = native_set_pte, .set_pte_at = native_set_pte_at, .set_pmd = native_set_pmd, + .set_pmd_at = native_set_pmd_at, .pte_update = paravirt_nop, .pte_update_defer = paravirt_nop, + .pmd_update = paravirt_nop, + .pmd_update_defer = paravirt_nop, .ptep_modify_prot_start = __ptep_modify_prot_start, .ptep_modify_prot_commit = __ptep_modify_prot_commit, |