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KVM: Move kvm_vcpu_kick() to x86.c
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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>
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Zhang Xiantao authored and Avi Kivity committed Jan 30, 2008
1 parent 0eb8f49 commit 5736199
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Showing 4 changed files with 21 additions and 22 deletions.
20 changes: 0 additions & 20 deletions arch/x86/kvm/irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -63,26 +63,6 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
}
EXPORT_SYMBOL_GPL(kvm_cpu_get_interrupt);

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);
}

void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu)
{
kvm_inject_apic_timer_irqs(vcpu);
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2 changes: 0 additions & 2 deletions arch/x86/kvm/irq.h
Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,4 @@ void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu);

void kvm_vcpu_kick(struct kvm_vcpu *vcpu);

#endif
20 changes: 20 additions & 0 deletions arch/x86/kvm/x86.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
}
1 change: 1 addition & 0 deletions include/linux/kvm_host.h
Original file line number Diff line number Diff line change
Expand Up @@ -250,6 +250,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm);

int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);

static inline void kvm_guest_enter(void)
{
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