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| author | Longpeng(Mike) <longpeng2@huawei.com> | 2017-08-08 12:05:33 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-08-08 10:57:43 +0200 |
| commit | de63ad4cf4973462953c29c363f3cfa7117c2b2d (patch) | |
| tree | b269d3a1c04045d9f4f7005f8004f7da082bf0be /arch/x86/kvm/hyperv.c | |
| parent | 199b5763d329b43c88f6ad539db8a6c6b42f8edb (diff) | |
| download | linux-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.c | 2 |
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: |