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Commit 81b8eebb authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Paolo Bonzini
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KVM: MMU: split reset_rsvds_bits_mask_ept 



Since shadow ept page tables and Intel nested guest page tables have the
same format, split reset_rsvds_bits_mask_ept so that the logic can be
reused by later patches which check zero bits on sptes

Signed-off-by: default avatarXiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 6dc98b86

arch/x86/kvm/mmu.c

+10 −4
Original line number Diff line number Diff line
@@ -3660,11 +3660,10 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, 
				is_pse(vcpu));

}



static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,

		struct kvm_mmu *context, bool execonly)

static void

__reset_rsvds_bits_mask_ept(struct rsvd_bits_validate *rsvd_check,

			    int maxphyaddr, bool execonly)

{

	struct rsvd_bits_validate *rsvd_check = &context->guest_rsvd_check;

	int maxphyaddr = cpuid_maxphyaddr(vcpu);

	int pte;



	rsvd_check->rsvd_bits_mask[0][3] =
@@ -3693,6 +3692,13 @@ static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu, 
	}

}



static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,

		struct kvm_mmu *context, bool execonly)

{

	__reset_rsvds_bits_mask_ept(&context->guest_rsvd_check,

				    cpuid_maxphyaddr(vcpu), execonly);

}



static void update_permission_bitmask(struct kvm_vcpu *vcpu,

				      struct kvm_mmu *mmu, bool ept)

{