From 041b1359a29b9301bc8baed6efcdbad29f80f6af Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Mar 2010 14:15:53 -0300 Subject: [PATCH] KVM: x86: document KVM_REQ_PENDING_TIMER usage Document that KVM_REQ_PENDING_TIMER is implicitly used during guest entry. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/timer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/timer.c b/arch/x86/kvm/timer.c index eea4043..4ddadb1 100644 --- a/arch/x86/kvm/timer.c +++ b/arch/x86/kvm/timer.c @@ -12,7 +12,8 @@ static int __kvm_timer_fn(struct kvm_vcpu *vcpu, struct kvm_timer *ktimer) /* * There is a race window between reading and incrementing, but we do * not care about potentially loosing timer events in the !reinject - * case anyway. + * case anyway. Note: KVM_REQ_PENDING_TIMER is implicitly checked + * in vcpu_enter_guest. */ if (ktimer->reinject || !atomic_read(&ktimer->pending)) { atomic_inc(&ktimer->pending); -- 1.8.2.3