aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kvm/vmx.c
diff options
context:
space:
mode:
authorGleb Natapov <gleb@redhat.com>2009-03-23 12:12:11 +0200
committerAvi Kivity <avi@redhat.com>2009-06-10 11:48:33 +0300
commit78646121e9a2fcf7977cc15966420e572a450bc3 (patch)
tree55aeac260f4a43bef8e1bc1147f93a3f7e867ec7 /arch/x86/kvm/vmx.c
parent09cec754885f900f6aab23801878c0cd217ee1d6 (diff)
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.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index da6461d5dc8..b9e06b07aca 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,