From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Wed, 11 May 2016 15:30:01 +0200 Subject: [PULL 08/29] kvm-arm: arm: Introduce hyp page table empty checks In-Reply-To: <1462973422-10021-1-git-send-email-christoffer.dall@linaro.org> References: <1462973422-10021-1-git-send-email-christoffer.dall@linaro.org> Message-ID: <1462973422-10021-9-git-send-email-christoffer.dall@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Suzuki K Poulose 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. Acked-by: Marc Zyngier Reviewed-by: Christoffer Dall Signed-off-by: Suzuki K Poulose Signed-off-by: Christoffer Dall --- arch/arm/include/asm/kvm_mmu.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 7d207b4..5522cdd 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -160,7 +160,11 @@ static inline bool kvm_page_empty(void *ptr) #define kvm_pte_table_empty(kvm, ptep) kvm_page_empty(ptep) #define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp) -#define kvm_pud_table_empty(kvm, pudp) (0) +#define kvm_pud_table_empty(kvm, pudp) false + +#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) false static inline void *kvm_get_hwpgd(struct kvm *kvm) { -- 2.1.2.330.g565301e.dirty