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authorZhang Xiantao <xiantao.zhang@intel.com>2007-12-17 14:21:40 +0800
committerAvi Kivity <avi@qumranet.com>2008-01-30 18:01:19 +0200
commit5736199afba8a8bb60a1ea282ab72857d6b16400 (patch)
treeff7d49be0447f158aa821254c3f90d97988985a8 /arch/x86/kvm/x86.c
parent0eb8f4984824b8a811d44963995133f47813330a (diff)
KVM: Move kvm_vcpu_kick() to x86.c
Moving kvm_vcpu_kick() to x86.c. Since it should be common for all archs, put its declarations in <linux/kvm_host.h> Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5902c5cbc1b..733bff65d9a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3144,3 +3144,23 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
return vcpu->arch.mp_state == VCPU_MP_STATE_RUNNABLE
|| vcpu->arch.mp_state == VCPU_MP_STATE_SIPI_RECEIVED;
}
+
+static void vcpu_kick_intr(void *info)
+{
+#ifdef DEBUG
+ struct kvm_vcpu *vcpu = (struct kvm_vcpu *)info;
+ printk(KERN_DEBUG "vcpu_kick_intr %p \n", vcpu);
+#endif
+}
+
+void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
+{
+ int ipi_pcpu = vcpu->cpu;
+
+ if (waitqueue_active(&vcpu->wq)) {
+ wake_up_interruptible(&vcpu->wq);
+ ++vcpu->stat.halt_wakeup;
+ }
+ if (vcpu->guest_mode)
+ smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0);
+}