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authorChristoffer Dall <christoffer.dall@linaro.org>2018-01-25 18:32:29 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2018-01-31 10:10:38 +0100
commitf1d7231cede93a42d75b6d3c5ca599e94a273e89 (patch)
treec72891674e1b4d1c6d88c2a9d2c66b186e6904c7 /virt/kvm
parent13e59ece5b30f39e4e1e1fac2b2ddc7ed527f3cc (diff)
downloadlinux-f1d7231cede93a42d75b6d3c5ca599e94a273e89.tar.bz2
KVM: arm/arm64: Fix userspace_irqchip_in_use counting
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@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt/kvm')
-rw-r--r--virt/kvm/arm/arm.c5
1 files 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);
}