We were not decrementing the static key count in the right location.
kvm_arch_vcpu_destroy() is only called to clean up after a failed
VCPU create attempt, whereas kvm_arch_vcpu_free() is called on teardown
of the VM as well. Move the static key decrement call to
kvm_arch_vcpu_free().
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
---
virt/kvm/arm/arm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 639dca0c0560..04ee7a327870 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -295,6 +295,9 @@ void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
+ if (vcpu->arch.has_run_once && unlikely(!irqchip_in_kernel(vcpu->kvm)))
+ static_branch_dec(&userspace_irqchip_in_use);
+
kvm_mmu_free_memory_caches(vcpu);
kvm_timer_vcpu_terminate(vcpu);
kvm_pmu_vcpu_destroy(vcpu);
@@ -304,8 +307,6 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
- if (vcpu->arch.has_run_once && unlikely(!irqchip_in_kernel(vcpu->kvm)))
- static_branch_dec(&userspace_irqchip_in_use);
kvm_arch_vcpu_free(vcpu);
}
--
2.14.2
