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| author | Miaohe Lin <linmiaohe@huawei.com> | 2020-02-07 16:22:07 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-12 20:09:41 +0100 |
| commit | 331ca0f89fc206f06b341f7fe037d7d8662b1b9f (patch) | |
| tree | 8b8b2555027c099e45abc2968a247f2dcfe2606b /arch/x86 | |
| parent | KVM: x86: remove duplicated KVM_REQ_EVENT request (diff) | |
| download | linux-331ca0f89fc206f06b341f7fe037d7d8662b1b9f.tar.xz linux-331ca0f89fc206f06b341f7fe037d7d8662b1b9f.zip | |
KVM: apic: reuse smp_wmb() in kvm_make_request()
kvm_make_request() provides smp_wmb() so pending_events changes are
guaranteed to be visible.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index eafc631d305c..afcd30d44cbb 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1080,9 +1080,6 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, result = 1; /* assumes that there are only KVM_APIC_INIT/SIPI */ apic->pending_events = (1UL << KVM_APIC_INIT); - /* make sure pending_events is visible before sending - * the request */ - smp_wmb(); kvm_make_request(KVM_REQ_EVENT, vcpu); kvm_vcpu_kick(vcpu); } |