Use access helper irq_data_get_affinity_mask() to hide implementation details of struct irq_desc. Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> --- Hi Thomas, This version changes the patch to correctly support bisecting. Thanks! Gerry --- arch/x86/kernel/apic/io_apic.c | 2 +- arch/x86/kernel/apic/vector.c | 3 ++- arch/x86/kernel/irq.c | 5 +++-- drivers/xen/events/events_base.c | 4 ++-- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 845dc0df2002..09921de4210f 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2541,7 +2541,7 @@ void __init setup_ioapic_dest(void) * Honour affinities which have been set in early boot */ if (!irqd_can_balance(idata) || irqd_affinity_was_set(idata)) - mask = idata->affinity; + mask = irq_data_get_affinity_mask(idata); else mask = apic->target_cpus(); diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 9b62f690b0ff..7ad911ea4f56 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -496,7 +496,8 @@ static int apic_set_affinity(struct irq_data *irq_data, if (err) { struct irq_data *top = irq_get_irq_data(irq); - if (assign_irq_vector(irq, data, top->affinity)) + if (assign_irq_vector(irq, data, + irq_data_get_affinity_mask(top))) pr_err("Failed to recover vector for irq %d\n", irq); return err; } diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 7e10c8b4b318..37685e37550c 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -342,7 +342,8 @@ int check_irq_vectors_for_cpu_disable(void) continue; data = irq_desc_get_irq_data(desc); - cpumask_copy(&affinity_new, data->affinity); + cpumask_copy(&affinity_new, + irq_data_get_affinity_mask(data)); cpumask_clear_cpu(this_cpu, &affinity_new); /* Do not count inactive or per-cpu irqs. */ @@ -420,7 +421,7 @@ void fixup_irqs(void) raw_spin_lock(&desc->lock); data = irq_desc_get_irq_data(desc); - affinity = data->affinity; + affinity = irq_data_get_affinity_mask(data); if (!irq_has_action(irq) || irqd_is_per_cpu(data) || cpumask_subset(affinity, cpu_online_mask)) { raw_spin_unlock(&desc->lock); diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 2b8553bd8715..d00e0be8e9ea 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -336,7 +336,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) BUG_ON(irq == -1); #ifdef CONFIG_SMP - cpumask_copy(irq_get_irq_data(irq)->affinity, cpumask_of(cpu)); + cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(cpu)); #endif xen_evtchn_port_bind_to_cpu(info, cpu); @@ -373,7 +373,7 @@ static void xen_irq_init(unsigned irq) struct irq_info *info; #ifdef CONFIG_SMP /* By default all event channels notify CPU#0. */ - cpumask_copy(irq_get_irq_data(irq)->affinity, cpumask_of(0)); + cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(0)); #endif info = kzalloc(sizeof(*info), GFP_KERNEL); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html