diff options
| author | Yang Zhang <yang.z.zhang@Intel.com> | 2013-04-11 13:25:14 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2013-04-16 21:32:40 +0200 |
| commit | cf9e65b773394c5ad8fa7455c43268bc8ec2109f (patch) | |
| tree | dea4e116da3ecc13c8b6383ec2145a73480d66f0 /virt/kvm/ioapic.c | |
| parent | KVM: Call common update function when ioapic entry changed. (diff) | |
| download | linux-cf9e65b773394c5ad8fa7455c43268bc8ec2109f.tar.xz linux-cf9e65b773394c5ad8fa7455c43268bc8ec2109f.zip | |
KVM: Set TMR when programming ioapic entry
We already know the trigger mode of a given interrupt when programming
the ioapice entry. So it's not necessary to set it in each interrupt
delivery.
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm/ioapic.c')
| -rw-r--r-- | virt/kvm/ioapic.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index f2157a985a1f..2d682977ce82 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -193,7 +193,8 @@ static void update_handled_vectors(struct kvm_ioapic *ioapic) smp_wmb(); } -void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) +void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap, + u32 *tmr) { struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic; union kvm_ioapic_redirect_entry *e; @@ -207,8 +208,13 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) kvm_irq_has_notifier(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index) || index == RTC_GSI)) { if (kvm_apic_match_dest(vcpu, NULL, 0, - e->fields.dest_id, e->fields.dest_mode)) - __set_bit(e->fields.vector, (unsigned long *)eoi_exit_bitmap); + e->fields.dest_id, e->fields.dest_mode)) { + __set_bit(e->fields.vector, + (unsigned long *)eoi_exit_bitmap); + if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG) + __set_bit(e->fields.vector, + (unsigned long *)tmr); + } } } spin_unlock(&ioapic->lock); |