summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/hyperv.c
diff options
context:
space:
mode:
authorLongpeng(Mike) <longpeng2@huawei.com>2017-08-08 12:05:33 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2017-08-08 10:57:43 +0200
commitde63ad4cf4973462953c29c363f3cfa7117c2b2d (patch)
treeb269d3a1c04045d9f4f7005f8004f7da082bf0be /arch/x86/kvm/hyperv.c
parent199b5763d329b43c88f6ad539db8a6c6b42f8edb (diff)
downloadlinux-de63ad4cf4973462953c29c363f3cfa7117c2b2d.tar.bz2
KVM: X86: implement the logic for spinlock optimization
get_cpl requires vcpu_load, so we must cache the result (whether the vcpu was preempted when its cpl=0) in kvm_vcpu_arch. Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/hyperv.c')
-rw-r--r--arch/x86/kvm/hyperv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 5243d54f73ab..dc97f2544b6f 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1274,7 +1274,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
switch (code) {
case HVCALL_NOTIFY_LONG_SPIN_WAIT:
- kvm_vcpu_on_spin(vcpu, false);
+ kvm_vcpu_on_spin(vcpu, true);
break;
case HVCALL_POST_MESSAGE:
case HVCALL_SIGNAL_EVENT: