diff options
Diffstat (limited to 'arch/x86/platform/uv/uv_irq.c')
| -rw-r--r-- | arch/x86/platform/uv/uv_irq.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c index 7b24460917d..b233681af4d 100644 --- a/arch/x86/platform/uv/uv_irq.c +++ b/arch/x86/platform/uv/uv_irq.c @@ -25,7 +25,7 @@ struct uv_irq_2_mmr_pnode{ int irq; }; -static spinlock_t uv_irq_lock; +static DEFINE_SPINLOCK(uv_irq_lock); static struct rb_root uv_irq_root; static int uv_set_irq_affinity(struct irq_data *, const struct cpumask *, bool); @@ -131,10 +131,11 @@ arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, unsigned long mmr_offset, int limit) { const struct cpumask *eligible_cpu = cpumask_of(cpu); - struct irq_cfg *cfg = get_irq_chip_data(irq); + struct irq_cfg *cfg = irq_get_chip_data(irq); unsigned long mmr_value; struct uv_IO_APIC_route_entry *entry; int mmr_pnode, err; + unsigned int dest; BUILD_BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); @@ -143,12 +144,16 @@ arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, if (err != 0) return err; + err = apic->cpu_mask_to_apicid_and(eligible_cpu, eligible_cpu, &dest); + if (err != 0) + return err; + if (limit == UV_AFFINITY_CPU) irq_set_status_flags(irq, IRQ_NO_BALANCING); else irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); - set_irq_chip_and_handler_name(irq, &uv_irq_chip, handle_percpu_irq, + irq_set_chip_and_handler_name(irq, &uv_irq_chip, handle_percpu_irq, irq_name); mmr_value = 0; @@ -159,7 +164,7 @@ arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, entry->polarity = 0; entry->trigger = 0; entry->mask = 0; - entry->dest = apic->cpu_mask_to_apicid(eligible_cpu); + entry->dest = dest; mmr_pnode = uv_blade_to_pnode(mmr_blade); uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value); @@ -222,7 +227,7 @@ uv_set_irq_affinity(struct irq_data *data, const struct cpumask *mask, if (cfg->move_in_progress) send_cleanup_vector(cfg); - return 0; + return IRQ_SET_MASK_OK_NOCOPY; } /* @@ -233,11 +238,9 @@ uv_set_irq_affinity(struct irq_data *data, const struct cpumask *mask, int uv_setup_irq(char *irq_name, int cpu, int mmr_blade, unsigned long mmr_offset, int limit) { - int irq, ret; - - irq = create_irq_nr(NR_IRQS_LEGACY, uv_blade_to_memory_nid(mmr_blade)); + int ret, irq = irq_alloc_hwirq(uv_blade_to_memory_nid(mmr_blade)); - if (irq <= 0) + if (!irq) return -EBUSY; ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset, @@ -245,7 +248,7 @@ int uv_setup_irq(char *irq_name, int cpu, int mmr_blade, if (ret == irq) uv_set_irq_2_mmr_info(irq, mmr_offset, mmr_blade); else - destroy_irq(irq); + irq_free_hwirq(irq); return ret; } @@ -280,6 +283,6 @@ void uv_teardown_irq(unsigned int irq) n = n->rb_right; } spin_unlock_irqrestore(&uv_irq_lock, irqflags); - destroy_irq(irq); + irq_free_hwirq(irq); } EXPORT_SYMBOL_GPL(uv_teardown_irq); |