The way we compute the target vcpu on getting an overflow is
a bit odd, as we use the PMC array as an anchor for kvm_pmc_to_vcpu,
while we could directly compute the correct address.
Get rid of the intermediate step and directly compute the target
vcpu.
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
arch/arm64/kvm/pmu-emul.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index b7a5f75d008d..e3d5fe260dcc 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -405,11 +405,8 @@ void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu)
static void kvm_pmu_perf_overflow_notify_vcpu(struct irq_work *work)
{
struct kvm_vcpu *vcpu;
- struct kvm_pmu *pmu;
-
- pmu = container_of(work, struct kvm_pmu, overflow_work);
- vcpu = kvm_pmc_to_vcpu(pmu->pmc);
+ vcpu = container_of(work, struct kvm_vcpu, arch.pmu.overflow_work);
kvm_vcpu_kick(vcpu);
}
--
2.34.1
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