diff options
| author | Gleb Natapov <gleb@redhat.com> | 2010-07-11 15:32:23 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-02 06:40:39 +0300 |
| commit | 4a994358b919c3b14de61be5e30d9edc9089ba3f (patch) | |
| tree | 122e0cc88dbb97733b02aac0e5e30e33d592444a /virt | |
| parent | 2e2602ca5df09e4c4e2b593bc30abead9a8617d4 (diff) | |
| download | lwn-4a994358b919c3b14de61be5e30d9edc9089ba3f.tar.gz lwn-4a994358b919c3b14de61be5e30d9edc9089ba3f.zip | |
KVM: Convert mask notifiers to use irqchip/pin instead of gsi
Devices register mask notifier using gsi, but irqchip knows about
irqchip/pin, so conversion from irqchip/pin to gsi should be done before
looking for mask notifier to call.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/ioapic.c | 2 | ||||
| -rw-r--r-- | virt/kvm/irq_comm.c | 12 |
2 files changed, 9 insertions, 5 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 1149c60b198f..0b9df8303dcf 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -152,7 +152,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) update_handled_vectors(ioapic); mask_after = e->fields.mask; if (mask_before != mask_after) - kvm_fire_mask_notifiers(ioapic->kvm, index, mask_after); + kvm_fire_mask_notifiers(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index, mask_after); if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG && ioapic->irr & (1 << index)) ioapic_service(ioapic, index); diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index 06cf61e729d2..369e38010ad5 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -279,15 +279,19 @@ void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq, synchronize_rcu(); } -void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask) +void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, + bool mask) { struct kvm_irq_mask_notifier *kimn; struct hlist_node *n; + int gsi; rcu_read_lock(); - hlist_for_each_entry_rcu(kimn, n, &kvm->mask_notifier_list, link) - if (kimn->irq == irq) - kimn->func(kimn, mask); + gsi = rcu_dereference(kvm->irq_routing)->chip[irqchip][pin]; + if (gsi != -1) + hlist_for_each_entry_rcu(kimn, n, &kvm->mask_notifier_list, link) + if (kimn->irq == gsi) + kimn->func(kimn, mask); rcu_read_unlock(); } |