[PATCH 05/19] arm64: KVM: Add EL1 async abort handler

Marc Zyngier
2016-09-06T13:02:29Z

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 <marc.zyngier@arm.com>
---
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