| From | Suzuki K Poulose <> | Subject | [PATCH 08/17] kvm-arm: arm: Introduce hyp page table empty checks | Date | Mon, 4 Apr 2016 17:26:08 +0100 |
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Introduce hyp_pxx_table_empty helpers for checking whether a given table entry is empty. This will be used explicitly once we switch to explicit routines for hyp page table walk.
Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- arch/arm/include/asm/kvm_mmu.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 7d207b4..901c1ea 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -162,6 +162,10 @@ static inline bool kvm_page_empty(void *ptr) #define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp) #define kvm_pud_table_empty(kvm, pudp) (0) +#define hyp_pte_table_empty(ptep) kvm_page_empty(ptep) +#define hyp_pmd_table_empty(pmdp) kvm_page_empty(pmdp) +#define hyp_pud_table_empty(pudp) (0) + static inline void *kvm_get_hwpgd(struct kvm *kvm) { return kvm->arch.pgd; -- 1.7.9.5
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