Commit b1d030a7 authored Mar 22, 2016 by Suzuki K Poulose Committed by Christoffer Dall Apr 21, 2016

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: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

parent b1ae9a30

arch/arm/include/asm/kvm_mmu.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -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)
		{

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