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| author | Gleb Natapov <gleb@redhat.com> | 2009-08-24 11:54:25 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:08 +0200 |
| commit | eba0226bdfffe262e72b8360e4d0d12070e9a0f0 (patch) | |
| tree | 93da785e3bba63a9232e529a2572541ef87c0615 /arch/x86/kvm/lapic.c | |
| parent | 280aa177dcd1edc718d8a92f17f235b783ec6307 (diff) | |
| download | linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.tar.gz linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.tar.bz2 linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.zip | |
KVM: Move IO APIC to its own lock
The allows removal of irq_lock from the injection path.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 23c217692ea9..df8bcb0f66d8 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -471,11 +471,8 @@ static void apic_set_eoi(struct kvm_lapic *apic) trigger_mode = IOAPIC_LEVEL_TRIG; else trigger_mode = IOAPIC_EDGE_TRIG; - if (!(apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI)) { - mutex_lock(&apic->vcpu->kvm->irq_lock); + if (!(apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI)) kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode); - mutex_unlock(&apic->vcpu->kvm->irq_lock); - } } static void apic_send_ipi(struct kvm_lapic *apic) |