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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-23 20:15:53 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-05-17 13:16:40 +0400 |
| commit | 041b1359a29b9301bc8baed6efcdbad29f80f6af (patch) | |
| tree | 2fa33a94b066627e9f963e8e840eed86c649e6bb | |
| parent | de3e6480f76804fe06d460ddb1920c7daa07f29b (diff) | |
| download | linux-041b1359a29b9301bc8baed6efcdbad29f80f6af.tar.xz | |
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 <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/timer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/timer.c b/arch/x86/kvm/timer.c index eea40439066c..4ddadb1a5ffe 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); |