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-rw-r--r--virt/kvm/arm/arm.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index acc43242a310..86c6aa1cb58e 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -144,11 +144,6 @@ out_fail_alloc:
return ret;
}
-bool kvm_arch_has_vcpu_debugfs(void)
-{
- return false;
-}
-
int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu)
{
return 0;
@@ -201,6 +196,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_MP_STATE:
case KVM_CAP_IMMEDIATE_EXIT:
case KVM_CAP_VCPU_EVENTS:
+ case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2:
r = 1;
break;
case KVM_CAP_ARM_SET_DEVICE_ADDR:
@@ -323,6 +319,17 @@ int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)
{
+ /*
+ * If we're about to block (most likely because we've just hit a
+ * WFI), we need to sync back the state of the GIC CPU interface
+ * so that we have the lastest PMR and group enables. This ensures
+ * that kvm_arch_vcpu_runnable has up-to-date data to decide
+ * whether we have pending interrupts.
+ */
+ preempt_disable();
+ kvm_vgic_vmcr_sync(vcpu);
+ preempt_enable();
+
kvm_vgic_v4_enable_doorbell(vcpu);
}
@@ -340,6 +347,8 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
/* Set up the timer */
kvm_timer_vcpu_init(vcpu);
+ kvm_pmu_vcpu_init(vcpu);
+
kvm_arm_reset_debug_ptr(vcpu);
return kvm_vgic_vcpu_init(vcpu);
@@ -880,6 +889,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
irq_type = (irq >> KVM_ARM_IRQ_TYPE_SHIFT) & KVM_ARM_IRQ_TYPE_MASK;
vcpu_idx = (irq >> KVM_ARM_IRQ_VCPU_SHIFT) & KVM_ARM_IRQ_VCPU_MASK;
+ vcpu_idx += ((irq >> KVM_ARM_IRQ_VCPU2_SHIFT) & KVM_ARM_IRQ_VCPU2_MASK) * (KVM_ARM_IRQ_VCPU_MASK + 1);
irq_num = (irq >> KVM_ARM_IRQ_NUM_SHIFT) & KVM_ARM_IRQ_NUM_MASK;
trace_kvm_irq_line(irq_type, vcpu_idx, irq_num, irq_level->level);
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