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KVM: PPC: align vcpu_kick with x86

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Our vcpu kick implementation differs a bit from x86 which resulted in us not
disabling preemption during the kick. Get it a bit closer to what x86 does.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf 2011-12-09 15:20:46 +01:00 committed by Avi Kivity
parent 468a12c2b5
commit ae21216bec
1 changed files with 6 additions and 1 deletions
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7
arch/powerpc/kvm/powerpc.c
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@ -558,12 +558,17 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
void kvm_vcpu_kick(struct kvm_vcpu *vcpu) void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
{ {
int me;
int cpu = vcpu->cpu;
me = get_cpu();
if (waitqueue_active(&vcpu->wq)) { if (waitqueue_active(&vcpu->wq)) {
wake_up_interruptible(vcpu->arch.wqp); wake_up_interruptible(vcpu->arch.wqp);
vcpu->stat.halt_wakeup++; vcpu->stat.halt_wakeup++;
} else if (vcpu->cpu != -1) { } else if (cpu != me && cpu != -1) {
smp_send_reschedule(vcpu->cpu); smp_send_reschedule(vcpu->cpu);
} }
put_cpu();
} }
int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)