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| author | Eddie Dong <eddie.dong@intel.com> | 2007-07-18 12:15:21 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:25 +0200 |
| commit | b6958ce44a11a9e9425d2b67a653b1ca2a27796f (patch) | |
| tree | 503478ef27254df9b6ea21d2a6a279a7dfe2ef04 /drivers/kvm/svm.c | |
| parent | 1fd4f2a5ed8f80cf6e23d2bdf78554f6a1ac7997 (diff) | |
| download | op-kernel-dev-b6958ce44a11a9e9425d2b67a653b1ca2a27796f.zip op-kernel-dev-b6958ce44a11a9e9425d2b67a653b1ca2a27796f.tar.gz | |
KVM: Emulate hlt in the kernel
By sleeping in the kernel when hlt is executed, we simplify the in-kernel
guest interrupt path considerably.
Signed-off-by: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/svm.c')
| -rw-r--r-- | drivers/kvm/svm.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index d576451..a347b61 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -1398,9 +1398,12 @@ static void do_interrupt_requests(struct vcpu_svm *svm, static void post_kvm_run_save(struct vcpu_svm *svm, struct kvm_run *kvm_run) { - kvm_run->ready_for_interrupt_injection - = (svm->vcpu.interrupt_window_open && - svm->vcpu.irq_summary == 0); + if (irqchip_in_kernel(svm->vcpu.kvm)) + kvm_run->ready_for_interrupt_injection = 1; + else + kvm_run->ready_for_interrupt_injection = + (svm->vcpu.interrupt_window_open && + svm->vcpu.irq_summary == 0); kvm_run->if_flag = (svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0; kvm_run->cr8 = get_cr8(&svm->vcpu); kvm_run->apic_base = kvm_get_apic_base(&svm->vcpu); |
