From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Tue, 27 Sep 2016 20:05:29 +0200 Subject: [PULL 21/50] arm64: KVM: Add EL1 async abort handler In-Reply-To: <20160927180558.14699-1-christoffer.dall@linaro.org> References: <20160927180558.14699-1-christoffer.dall@linaro.org> Message-ID: <20160927180558.14699-22-christoffer.dall@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Marc Zyngier 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 Signed-off-by: Christoffer Dall --- 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 fa96fe2..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 -- 2.9.0