diff options
| author |   Jim Mattson <jmattson@google.com> | 2021-06-04 10:26:04 -0700 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 13:09:31 -0400 |
| commit | 4fe09bcf14a666b8fa4d79ce1b4c87afa753f827 (patch) | |
| tree | 07347dbfa07b71b0bc91f5ed44a5994f40c1a5af /arch/x86/kvm/lapic.c | |
| parent | KVM: x86: Add a return code to inject_pending_event (diff) | |
| download | linux-dev-4fe09bcf14a666b8fa4d79ce1b4c87afa753f827.tar.xz linux-dev-4fe09bcf14a666b8fa4d79ce1b4c87afa753f827.zip | |
KVM: x86: Add a return code to kvm_apic_accept_events
No functional change intended. At present, the only negative value
returned by kvm_check_nested_events is -EBUSY.
Signed-off-by: Jim Mattson <jmattson@google.com>
Message-Id: <20210604172611.281819-6-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 17fa4ab1b834..4b80e613096b 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2872,7 +2872,7 @@ int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data, unsigned long len) return kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, addr, new_len); } -void kvm_apic_accept_events(struct kvm_vcpu *vcpu) +int kvm_apic_accept_events(struct kvm_vcpu *vcpu) { struct kvm_lapic *apic = vcpu->arch.apic; u8 sipi_vector; @@ -2880,7 +2880,7 @@ void kvm_apic_accept_events(struct kvm_vcpu *vcpu) unsigned long pe; if (!lapic_in_kernel(vcpu)) - return; + return 0; /* * Read pending events before calling the check_events @@ -2888,12 +2888,12 @@ void kvm_apic_accept_events(struct kvm_vcpu *vcpu) */ pe = smp_load_acquire(&apic->pending_events); if (!pe) - return; + return 0; if (is_guest_mode(vcpu)) { r = kvm_check_nested_events(vcpu); if (r < 0) - return; + return r == -EBUSY ? 0 : r; /* * If an event has happened and caused a vmexit, * we know INITs are latched and therefore @@ -2914,7 +2914,7 @@ void kvm_apic_accept_events(struct kvm_vcpu *vcpu) WARN_ON_ONCE(vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED); if (test_bit(KVM_APIC_SIPI, &pe)) clear_bit(KVM_APIC_SIPI, &apic->pending_events); - return; + return 0; } if (test_bit(KVM_APIC_INIT, &pe)) { @@ -2935,6 +2935,7 @@ void kvm_apic_accept_events(struct kvm_vcpu *vcpu) vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; } } + return 0; } void kvm_lapic_exit(void) |