From: Peng Hao <flyingpeng@xxxxxxxxxxx> kvm->lock is held very close to mutex_is_locked(kvm->lock). Do not need to call mutex_is_locked. Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx> --- arch/x86/kvm/pmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index 02f9e4f245bd..8a7dbe2c469a 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -601,8 +601,7 @@ int kvm_vm_ioctl_set_pmu_event_filter(struct kvm *kvm, void __user *argp) sort(&filter->events, filter->nevents, sizeof(__u64), cmp_u64, NULL); mutex_lock(&kvm->lock); - filter = rcu_replace_pointer(kvm->arch.pmu_event_filter, filter, - mutex_is_locked(&kvm->lock)); + filter = rcu_replace_pointer(kvm->arch.pmu_event_filter, filter, 1); mutex_unlock(&kvm->lock); synchronize_srcu_expedited(&kvm->srcu); -- 2.27.0