diff mbox

[PULL,15/19] KVM: arm/arm64: Avoid attempting to load timer vgic state without a vgic

Message ID 20171204140348.21965-13-cdall@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Christoffer Dall Dec. 4, 2017, 2:03 p.m. UTC 
From: Christoffer Dall <christoffer.dall@linaro.org>

The timer optimization patches inadvertendly changed the logic to always
load the timer state as if we have a vgic, even if we don't have a vgic.

Fix this by doing the usual irqchip_in_kernel() check and call the
appropriate load function.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---
 virt/kvm/arm/arch_timer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c
index 190c99ed1b73..f9555b1e7f15 100644
--- a/virt/kvm/arm/arch_timer.c
+++ b/virt/kvm/arm/arch_timer.c
@@ -835,7 +835,10 @@  int kvm_timer_enable(struct kvm_vcpu *vcpu)
 no_vgic:
 	preempt_disable();
 	timer->enabled = 1;
-	kvm_timer_vcpu_load_vgic(vcpu);
+	if (!irqchip_in_kernel(vcpu->kvm))
+		kvm_timer_vcpu_load_user(vcpu);
+	else
+		kvm_timer_vcpu_load_vgic(vcpu);
 	preempt_enable();
 
 	return 0;