diff options
| author | Gleb Natapov | 2009-03-23 11:12:11 +0100 |
|---|---|---|
| committer | Avi Kivity | 2009-06-10 10:48:33 +0200 |
| commit | 78646121e9a2fcf7977cc15966420e572a450bc3 (patch) | |
| tree | 55aeac260f4a43bef8e1bc1147f93a3f7e867ec7 /arch/x86/kvm/vmx.c | |
| parent | KVM: Timer event should not unconditionally unhalt vcpu. (diff) | |
| download | kernel-qcow2-linux-78646121e9a2fcf7977cc15966420e572a450bc3.tar.gz kernel-qcow2-linux-78646121e9a2fcf7977cc15966420e572a450bc3.tar.xz kernel-qcow2-linux-78646121e9a2fcf7977cc15966420e572a450bc3.zip | |
KVM: Fix interrupt unhalting a vcpu when it shouldn't
kvm_vcpu_block() unhalts vpu on an interrupt/timer without checking
if interrupt window is actually opened.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index da6461d5dc84..b9e06b07aca1 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2490,6 +2490,12 @@ static void vmx_update_window_states(struct kvm_vcpu *vcpu) GUEST_INTR_STATE_MOV_SS))); } +static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu) +{ + vmx_update_window_states(vcpu); + return vcpu->arch.interrupt_window_open; +} + static void do_interrupt_requests(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { @@ -3691,7 +3697,7 @@ static struct kvm_x86_ops vmx_x86_ops = { .exception_injected = vmx_exception_injected, .inject_pending_irq = vmx_intr_assist, .inject_pending_vectors = do_interrupt_requests, - + .interrupt_allowed = vmx_interrupt_allowed, .set_tss_addr = vmx_set_tss_addr, .get_tdp_level = get_ept_level, .get_mt_mask_shift = vmx_get_mt_mask_shift, |