Commit b1d030a7 authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Christoffer Dall

kvm-arm: arm: Introduce hyp page table empty checks

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: default avatarMarc Zyngier <marc.zyngier@arm.com>
Reviewed-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent b1ae9a30
...@@ -160,7 +160,11 @@ static inline bool kvm_page_empty(void *ptr) ...@@ -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_pte_table_empty(kvm, ptep) kvm_page_empty(ptep)
#define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp) #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) static inline void *kvm_get_hwpgd(struct kvm *kvm)
{ {
......
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