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KVM: split kvm_vcpu_wake_up from kvm_vcpu_kick

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AVIC has a use for kvm_vcpu_wake_up.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Radim Krčmář 2016-05-04 14:09:44 -05:00 • committed by Paolo Bonzini
parent d1ed092f77
commit dd1a4cc1fb
2 changed files with 14 additions and 6 deletions
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1
include/linux/kvm_host.h
View file

@ -657,6 +657,7 @@ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn);
void kvm_vcpu_block(struct kvm_vcpu *vcpu); void kvm_vcpu_block(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
int kvm_vcpu_yield_to(struct kvm_vcpu *target); int kvm_vcpu_yield_to(struct kvm_vcpu *target);
void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu); void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);

19
virt/kvm/kvm_main.c
View file

@ -2076,13 +2076,8 @@ out:
EXPORT_SYMBOL_GPL(kvm_vcpu_block); EXPORT_SYMBOL_GPL(kvm_vcpu_block);
#ifndef CONFIG_S390 #ifndef CONFIG_S390
/* void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
* Kick a sleeping VCPU, or a guest VCPU in guest mode, into host kernel mode.
*/
void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
{ {
int me;
int cpu = vcpu->cpu;
struct swait_queue_head *wqp; struct swait_queue_head *wqp;
wqp = kvm_arch_vcpu_wq(vcpu); wqp = kvm_arch_vcpu_wq(vcpu);
@ -2091,6 +2086,18 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
++vcpu->stat.halt_wakeup; ++vcpu->stat.halt_wakeup;
} }
}
EXPORT_SYMBOL_GPL(kvm_vcpu_wake_up);
/*
* Kick a sleeping VCPU, or a guest VCPU in guest mode, into host kernel mode.
*/
void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
{
int me;
int cpu = vcpu->cpu;
kvm_vcpu_wake_up(vcpu);
me = get_cpu(); me = get_cpu();
if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu))
if (kvm_arch_vcpu_should_kick(vcpu)) if (kvm_arch_vcpu_should_kick(vcpu))