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| author | Zhang Xiantao <xiantao.zhang@intel.com> | 2007-12-17 14:21:40 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 18:01:19 +0200 |
| commit | 5736199afba8a8bb60a1ea282ab72857d6b16400 (patch) | |
| tree | ff7d49be0447f158aa821254c3f90d97988985a8 /arch/x86/kvm/x86.c | |
| parent | 0eb8f4984824b8a811d44963995133f47813330a (diff) | |
| download | lwn-5736199afba8a8bb60a1ea282ab72857d6b16400.tar.gz lwn-5736199afba8a8bb60a1ea282ab72857d6b16400.zip | |
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.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5902c5cbc1bb..733bff65d9a9 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); +} |