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KVM: Convert mask notifiers to use irqchip/pin instead of gsi

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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>
This commit is contained in:
Gleb Natapov
2010-07-11 15:32:23 +03:00
committed by Avi Kivity
parent 2e2602ca5d
commit 4a994358b9
3 changed files with 11 additions and 6 deletions
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12
virt/kvm/irq_comm.c
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@@ -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();
}