]> asedeno.scripts.mit.edu Git - linux.git/blobdiff - virt/kvm/arm/arch_timer.c
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
[linux.git] / virt / kvm / arm / arch_timer.c
index 69bca185c471d1dec971f02403ae9fd60851f5bd..ea6064696fe43867d1d1baee35059b276d84817b 100644 (file)
@@ -143,7 +143,7 @@ static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level)
  * Check if there was a change in the timer state (should we raise or lower
  * the line level to the GIC).
  */
-static void kvm_timer_update_state(struct kvm_vcpu *vcpu)
+static int kvm_timer_update_state(struct kvm_vcpu *vcpu)
 {
        struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
 
@@ -154,10 +154,12 @@ static void kvm_timer_update_state(struct kvm_vcpu *vcpu)
         * until we call this function from kvm_timer_flush_hwstate.
         */
        if (!vgic_initialized(vcpu->kvm))
-           return;
+               return -ENODEV;
 
        if (kvm_timer_should_fire(vcpu) != timer->irq.level)
                kvm_timer_update_irq(vcpu, !timer->irq.level);
+
+       return 0;
 }
 
 /*
@@ -218,7 +220,8 @@ void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu)
        bool phys_active;
        int ret;
 
-       kvm_timer_update_state(vcpu);
+       if (kvm_timer_update_state(vcpu))
+               return;
 
        /*
        * If we enter the guest with the virtual input level to the VGIC