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authorGleb Natapov <gleb@redhat.com>2009-03-23 15:11:44 +0200
committerAvi Kivity <avi@redhat.com>2009-06-10 11:48:33 +0300
commit09cec754885f900f6aab23801878c0cd217ee1d6 (patch)
tree3f634b6993af33914b031421e23db67744b84a9f /virt
parent089d034e0c4538d2436512fa64782b91008d4a7c (diff)
downloadlinux-linaro-stable-09cec754885f900f6aab23801878c0cd217ee1d6.tar.gz
KVM: Timer event should not unconditionally unhalt vcpu.
Currently timer events are processed before entering guest mode. Move it to main vcpu event loop since timer events should be processed even while vcpu is halted. Timer may cause interrupt/nmi to be injected and only then vcpu will be unhalted. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 934dd1c9487e..a1a4272fa57c 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1611,11 +1611,12 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
prepare_to_wait(&vcpu->wq, &wait, TASK_INTERRUPTIBLE);
if (kvm_cpu_has_interrupt(vcpu) ||
- kvm_cpu_has_pending_timer(vcpu) ||
- kvm_arch_vcpu_runnable(vcpu)) {
+ kvm_arch_vcpu_runnable(vcpu)) {
set_bit(KVM_REQ_UNHALT, &vcpu->requests);
break;
}
+ if (kvm_cpu_has_pending_timer(vcpu))
+ break;
if (signal_pending(current))
break;