diff options
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/events.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 72725fa..cf372d4 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -126,6 +126,7 @@ static struct irq_info *info_for_irq(unsigned irq) /* Constructors for packed IRQ information. */ static void xen_irq_info_common_init(struct irq_info *info, + unsigned irq, enum xen_irq_type type, unsigned short evtchn, unsigned short cpu) @@ -136,6 +137,8 @@ static void xen_irq_info_common_init(struct irq_info *info, info->type = type; info->evtchn = evtchn; info->cpu = cpu; + + evtchn_to_irq[evtchn] = irq; } static void xen_irq_info_evtchn_init(unsigned irq, @@ -143,29 +146,35 @@ static void xen_irq_info_evtchn_init(unsigned irq, { struct irq_info *info = info_for_irq(irq); - xen_irq_info_common_init(info, IRQT_EVTCHN, evtchn, 0); + xen_irq_info_common_init(info, irq, IRQT_EVTCHN, evtchn, 0); } -static void xen_irq_info_ipi_init(unsigned irq, +static void xen_irq_info_ipi_init(unsigned cpu, + unsigned irq, unsigned short evtchn, enum ipi_vector ipi) { struct irq_info *info = info_for_irq(irq); - xen_irq_info_common_init(info, IRQT_IPI, evtchn, 0); + xen_irq_info_common_init(info, irq, IRQT_IPI, evtchn, 0); info->u.ipi = ipi; + + per_cpu(ipi_to_irq, cpu)[ipi] = irq; } -static void xen_irq_info_virq_init(unsigned irq, +static void xen_irq_info_virq_init(unsigned cpu, + unsigned irq, unsigned short evtchn, unsigned short virq) { struct irq_info *info = info_for_irq(irq); - xen_irq_info_common_init(info, IRQT_VIRQ, evtchn, 0); + xen_irq_info_common_init(info, irq, IRQT_VIRQ, evtchn, 0); info->u.virq = virq; + + per_cpu(virq_to_irq, cpu)[virq] = irq; } static void xen_irq_info_pirq_init(unsigned irq, @@ -177,12 +186,14 @@ static void xen_irq_info_pirq_init(unsigned irq, { struct irq_info *info = info_for_irq(irq); - xen_irq_info_common_init(info, IRQT_PIRQ, evtchn, 0); + xen_irq_info_common_init(info, irq, IRQT_PIRQ, evtchn, 0); info->u.pirq.pirq = pirq; info->u.pirq.gsi = gsi; info->u.pirq.vector = vector; info->u.pirq.flags = flags; + + pirq_to_irq[pirq] = irq; } /* @@ -644,7 +655,6 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, xen_irq_info_pirq_init(irq, 0, pirq, gsi, irq_op.vector, shareable ? PIRQ_SHAREABLE : 0); - pirq_to_irq[pirq] = irq; out: spin_unlock(&irq_mapping_update_lock); @@ -682,7 +692,6 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, handle_level_irq, name); xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0); - pirq_to_irq[pirq] = irq; ret = set_irq_msi(irq, msidesc); if (ret < 0) goto error_irq; @@ -746,7 +755,6 @@ int bind_evtchn_to_irq(unsigned int evtchn) set_irq_chip_and_handler_name(irq, &xen_dynamic_chip, handle_fasteoi_irq, "event"); - evtchn_to_irq[evtchn] = irq; xen_irq_info_evtchn_init(irq, evtchn); } @@ -779,9 +787,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) BUG(); evtchn = bind_ipi.port; - evtchn_to_irq[evtchn] = irq; - xen_irq_info_ipi_init(irq, evtchn, ipi); - per_cpu(ipi_to_irq, cpu)[ipi] = irq; + xen_irq_info_ipi_init(cpu, irq, evtchn, ipi); bind_evtchn_to_cpu(evtchn, cpu); } @@ -814,10 +820,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) BUG(); evtchn = bind_virq.port; - evtchn_to_irq[evtchn] = irq; - xen_irq_info_virq_init(irq, evtchn, virq); - - per_cpu(virq_to_irq, cpu)[virq] = irq; + xen_irq_info_virq_init(cpu, irq, evtchn, virq); bind_evtchn_to_cpu(evtchn, cpu); } @@ -1120,7 +1123,6 @@ void rebind_evtchn_irq(int evtchn, int irq) so there should be a proper type */ BUG_ON(info->type == IRQT_UNBOUND); - evtchn_to_irq[evtchn] = irq; xen_irq_info_evtchn_init(irq, evtchn); spin_unlock(&irq_mapping_update_lock); @@ -1288,8 +1290,7 @@ static void restore_cpu_virqs(unsigned int cpu) evtchn = bind_virq.port; /* Record the new mapping. */ - evtchn_to_irq[evtchn] = irq; - xen_irq_info_virq_init(irq, evtchn, virq); + xen_irq_info_virq_init(cpu, irq, evtchn, virq); bind_evtchn_to_cpu(evtchn, cpu); } } @@ -1313,8 +1314,7 @@ static void restore_cpu_ipis(unsigned int cpu) evtchn = bind_ipi.port; /* Record the new mapping. */ - evtchn_to_irq[evtchn] = irq; - xen_irq_info_ipi_init(irq, evtchn, ipi); + xen_irq_info_ipi_init(cpu, irq, evtchn, ipi); bind_evtchn_to_cpu(evtchn, cpu); } } |