diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-01-27 20:12:38 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 12:03:08 +0300 |
| commit | 44882eed2ebe7f75f8cdae5671ab1d6e0fa40dbc (patch) | |
| tree | e026a4067370e2dac1a5a3a9d9995e2b6f82ba49 /arch/x86 | |
| parent | 934d534f8a5a39e20d5682b3a3a45ff351706b59 (diff) | |
| download | linux-44882eed2ebe7f75f8cdae5671ab1d6e0fa40dbc.tar.xz | |
KVM: make irq ack notifications aware of routing table
IRQ ack notifications assume an identity mapping between pin->gsi,
which might not be the case with, for example, HPET.
Translate before acking.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/i8259.c | 5 | ||||
| -rw-r--r-- | arch/x86/kvm/irq.h | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 179dcb0103fd..93160375c841 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -49,7 +49,8 @@ static void pic_unlock(struct kvm_pic *s) spin_unlock(&s->lock); while (acks) { - kvm_notify_acked_irq(kvm, __ffs(acks)); + kvm_notify_acked_irq(kvm, SELECT_PIC(__ffs(acks)), + __ffs(acks)); acks &= acks - 1; } @@ -232,7 +233,7 @@ int kvm_pic_read_irq(struct kvm *kvm) } pic_update_irq(s); pic_unlock(s); - kvm_notify_acked_irq(kvm, irq); + kvm_notify_acked_irq(kvm, SELECT_PIC(irq), irq); return intno; } diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 82579ee538d0..9f593188129e 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -32,6 +32,8 @@ #include "lapic.h" #define PIC_NUM_PINS 16 +#define SELECT_PIC(irq) \ + ((irq) < 8 ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE) struct kvm; struct kvm_vcpu; |