[PATCH v9 18/22] KVM: arm64: pkvm: Preserve pending SError on exit from AArch32
Marc Zyngier
maz at kernel.org
Wed Oct 13 05:03:42 PDT 2021
Don't drop a potential SError when a guest gets caught red-handed
running AArch32 code.
Signed-off-by: Marc Zyngier <maz at kernel.org>
---
arch/arm64/kvm/hyp/nvhe/switch.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index f25b6353a598..481c365ef144 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -256,7 +256,8 @@ static bool handle_aarch32_guest(struct kvm_vcpu *vcpu, u64 *exit_code)
* protected VMs.
*/
vcpu->arch.target = -1;
- *exit_code = ARM_EXCEPTION_IL;
+ *exit_code &= BIT(ARM_EXIT_WITH_SERROR_BIT);
+ *exit_code |= ARM_EXCEPTION_IL;
return false;
}
--
2.30.2
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