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authorJason Wang <jasowang@redhat.com>2010-08-27 13:15:06 +0400
committerAvi Kivity <avi@redhat.com>2010-10-24 12:51:45 +0400
commit23e7a7944f3779155e2f6bbc831b544eb925f387 (patch)
tree8c8be289ae3fea799ebf94f363748ae97bd00994 /arch/x86/kvm/i8254.c
parent989044ee0fdc6c22a11ea1d22e2a3d17463cb564 (diff)
downloadlinux-23e7a7944f3779155e2f6bbc831b544eb925f387.tar.xz
KVM: pit: Do not check pending pit timer in vcpu thread
Pit interrupt injection was done by workqueue, so no need to check pending pit timer in vcpu thread which could lead unnecessary unblocking of vcpu. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r--arch/x86/kvm/i8254.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index ddeb2314b522..2ad40a4ddc34 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -232,15 +232,6 @@ static void pit_latch_status(struct kvm *kvm, int channel)
}
}
-int pit_has_pending_timer(struct kvm_vcpu *vcpu)
-{
- struct kvm_pit *pit = vcpu->kvm->arch.vpit;
-
- if (pit && kvm_vcpu_is_bsp(vcpu) && pit->pit_state.irq_ack)
- return atomic_read(&pit->pit_state.pit_timer.pending);
- return 0;
-}
-
static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
{
struct kvm_kpit_state *ps = container_of(kian, struct kvm_kpit_state,