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[PULL,28/50] arm: KVM: Add HYP async abort handler

Message ID 20160927180558.14699-29-christoffer.dall@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Christoffer Dall Sept. 27, 2016, 6:05 p.m. UTC 
From: Marc Zyngier <marc.zyngier@arm.com>

If we've exited the guest because it has triggered an asynchronous
abort, 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>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---
 arch/arm/kvm/handle_exit.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index 3f1ef0d..863fdf4 100644
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -160,6 +160,9 @@  int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
 		exit_handler = kvm_get_exit_handler(vcpu);
 
 		return exit_handler(vcpu, run);
+	case ARM_EXCEPTION_DATA_ABORT:
+		kvm_inject_vabt(vcpu);
+		return 1;
 	default:
 		kvm_pr_unimpl("Unsupported exception type: %d",
 			      exception_index);