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| author | Gleb Natapov <gleb@redhat.com> | 2009-07-07 15:27:32 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:11 +0300 |
| commit | c7f0f24b1f82ec049fcfb8e6d4e1cee2815efbe5 (patch) | |
| tree | 1e0bc486421e7e2f87418b186fbb338baceda9d2 | |
| parent | 1000ff8d893765d7b56e32fe16dbe4814f172588 (diff) | |
| download | linux-c7f0f24b1f82ec049fcfb8e6d4e1cee2815efbe5.tar.bz2 | |
KVM: No need to kick cpu if not in a guest mode
This will save a couple of IPIs.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 95fa45c0f16e..e3d9040f2156 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3506,6 +3506,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) smp_mb__after_clear_bit(); if (vcpu->requests || need_resched() || signal_pending(current)) { + set_bit(KVM_REQ_KICK, &vcpu->requests); local_irq_enable(); preempt_enable(); r = 1; |