From: "Longpeng(Mike)" <longpeng2@xxxxxxxxxx> 1) Since commit:41a54482 changed timer enabled variable to per-vcpu, the correlative comment in kvm_timer_enable is useless now. 2) After the kvm module init successfully, the timecounter is always non-null, so we can remove the checking of timercounter. Signed-off-by: Longpeng(Mike) <longpeng2@xxxxxxxxxx> Acked-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> --- virt/kvm/arm/arch_timer.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 27a1f63..17b8fa5 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -498,17 +498,7 @@ int kvm_timer_enable(struct kvm_vcpu *vcpu) if (ret) return ret; - - /* - * There is a potential race here between VCPUs starting for the first - * time, which may be enabling the timer multiple times. That doesn't - * hurt though, because we're just setting a variable to the same - * variable that it already was. The important thing is that all - * VCPUs have the enabled variable set, before entering the guest, if - * the arch timers are enabled. - */ - if (timecounter) - timer->enabled = 1; + timer->enabled = 1; return 0; } -- 2.1.4 _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
