From bd97ad0e7ed6a8870cc691fdfd108dc952fe45eb Mon Sep 17 00:00:00 2001 From: Wanpeng Li Date: Thu, 30 Jun 2016 08:52:49 +0800 Subject: KVM: x86: introduce cancel_hv_tscdeadline MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce cancel_hv_tscdeadline() to encapsulate preemption timer cancel stuff. Cc: Paolo Bonzini Cc: Radim Krčmář Cc: Yunhong Jiang Signed-off-by: Wanpeng Li Signed-off-by: Paolo Bonzini --- arch/x86/kvm/lapic.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'arch/x86/kvm/lapic.c') diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index fdc05ae08bac..9c20ac14caf5 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1349,14 +1349,19 @@ bool kvm_lapic_hv_timer_in_use(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvm_lapic_hv_timer_in_use); +static void cancel_hv_tscdeadline(struct kvm_lapic *apic) +{ + kvm_x86_ops->cancel_hv_timer(apic->vcpu); + apic->lapic_timer.hv_timer_in_use = false; +} + void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu) { struct kvm_lapic *apic = vcpu->arch.apic; WARN_ON(!apic->lapic_timer.hv_timer_in_use); WARN_ON(swait_active(&vcpu->wq)); - kvm_x86_ops->cancel_hv_timer(vcpu); - apic->lapic_timer.hv_timer_in_use = false; + cancel_hv_tscdeadline(apic); apic_timer_expired(apic); } EXPORT_SYMBOL_GPL(kvm_lapic_expired_hv_timer); @@ -1376,10 +1381,8 @@ void kvm_lapic_switch_to_hv_timer(struct kvm_vcpu *vcpu) hrtimer_cancel(&apic->lapic_timer.timer); /* In case the sw timer triggered in the window */ - if (atomic_read(&apic->lapic_timer.pending)) { - apic->lapic_timer.hv_timer_in_use = false; - kvm_x86_ops->cancel_hv_timer(apic->vcpu); - } + if (atomic_read(&apic->lapic_timer.pending)) + cancel_hv_tscdeadline(apic); } trace_kvm_hv_timer_state(vcpu->vcpu_id, apic->lapic_timer.hv_timer_in_use); @@ -1395,8 +1398,7 @@ void kvm_lapic_switch_to_sw_timer(struct kvm_vcpu *vcpu) if (!apic->lapic_timer.hv_timer_in_use) return; - kvm_x86_ops->cancel_hv_timer(vcpu); - apic->lapic_timer.hv_timer_in_use = false; + cancel_hv_tscdeadline(apic); if (atomic_read(&apic->lapic_timer.pending)) return; -- cgit v1.2.3