On 14/04/16 14:20, Suzuki K Poulose wrote:
> 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@xxxxxxx>
> Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> ---
> 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;
>
Same remarks as the previous patch, but nonetheless:
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
M.
--
Jazz is not dead. It just smells funny...
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