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KVM: arm64: ARMv8 header changes for page logging

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This patch adds arm64 helpers to write protect pmds/ptes and retrieve
permissions while logging dirty pages. Also adds prototype to write protect
a memory slot and adds a pmd define to check for read-only pmds.

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Mario Smarduch <m.smarduch@samsung.com>
This commit is contained in:
Mario Smarduch
2015-01-15 15:58:59 -08:00
committed by Christoffer Dall
parent 15a49a44fc
commit 8199ed0e7c
4 changed files with 24 additions and 0 deletions
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arch/arm64/include/asm/kvm_asm.h
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@@ -126,6 +126,7 @@ extern char __kvm_hyp_vector[];
extern void __kvm_flush_vm_context(void);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);