From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Tue, 6 Sep 2016 14:02:03 +0100 Subject: [PATCH 05/19] arm64: KVM: Add EL1 async abort handler In-Reply-To: <1473166937-15271-1-git-send-email-marc.zyngier@arm.com> References: <1473166937-15271-1-git-send-email-marc.zyngier@arm.com> Message-ID: <1473166937-15271-6-git-send-email-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If we've exited the guest because it has triggered an asynchronous abort from EL1, a possible course of action is to let it know it screwed up by giving it a Virtual Abort to chew on. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/handle_exit.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index fa96fe2b..08afc69a 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -173,6 +173,9 @@ int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, switch (exception_index) { case ARM_EXCEPTION_IRQ: return 1; + case ARM_EXCEPTION_EL1_SERROR: + kvm_inject_vabt(vcpu); + return 1; case ARM_EXCEPTION_TRAP: /* * See ARM ARM B1.14.1: "Hyp traps on instructions -- 2.1.4