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Commit 4055710b authored by Marc Zyngier's avatar Marc Zyngier Committed by Christoffer Dall
Browse files

arm/arm64: KVM: Inject virtual abort when guest exits on external abort 



If we spot a data abort bearing the ESR_EL2.EA bit set, we know that
this is an external abort, and that should be punished by the injection
of an abort.

Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent e656a1f9

arch/arm/kvm/mmu.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -1432,6 +1432,11 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) 
	int ret, idx;

	int ret, idx;





	is_iabt = kvm_vcpu_trap_is_iabt(vcpu);

	is_iabt = kvm_vcpu_trap_is_iabt(vcpu);

	if (unlikely(!is_iabt && kvm_vcpu_dabt_isextabt(vcpu))) {

		kvm_inject_vabt(vcpu);

		return 1;

	}



	fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);

	fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);





	trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu),

	trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu),