diff options
Diffstat (limited to 'arch/x86/kernel/irq_32.c')
| -rw-r--r-- | arch/x86/kernel/irq_32.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 119fc9c8ff7..e0f29be8ab0 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -15,9 +15,9 @@ #include <linux/notifier.h> #include <linux/cpu.h> #include <linux/delay.h> +#include <linux/uaccess.h> #include <asm/apic.h> -#include <asm/uaccess.h> DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); EXPORT_PER_CPU_SYMBOL(irq_stat); @@ -93,7 +93,7 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) return 0; /* build the stack frame on the IRQ stack */ - isp = (u32 *) ((char*)irqctx + sizeof(*irqctx)); + isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); irqctx->tinfo.task = curctx->tinfo.task; irqctx->tinfo.previous_esp = current_stack_pointer; @@ -137,7 +137,7 @@ void __cpuinit irq_ctx_init(int cpu) hardirq_ctx[cpu] = irqctx; - irqctx = (union irq_ctx*) &softirq_stack[cpu*THREAD_SIZE]; + irqctx = (union irq_ctx *) &softirq_stack[cpu*THREAD_SIZE]; irqctx->tinfo.task = NULL; irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; @@ -147,7 +147,7 @@ void __cpuinit irq_ctx_init(int cpu) softirq_ctx[cpu] = irqctx; printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", - cpu,hardirq_ctx[cpu],softirq_ctx[cpu]); + cpu, hardirq_ctx[cpu], softirq_ctx[cpu]); } void irq_ctx_exit(int cpu) @@ -174,7 +174,7 @@ asmlinkage void do_softirq(void) irqctx->tinfo.previous_esp = current_stack_pointer; /* build the stack frame on the softirq stack */ - isp = (u32*) ((char*)irqctx + sizeof(*irqctx)); + isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); call_on_stack(__do_softirq, isp); /* @@ -233,27 +233,28 @@ unsigned int do_IRQ(struct pt_regs *regs) #ifdef CONFIG_HOTPLUG_CPU #include <mach_apic.h> -void fixup_irqs(cpumask_t map) +/* A cpu has been removed from cpu_online_mask. Reset irq affinities. */ +void fixup_irqs(void) { unsigned int irq; static int warned; struct irq_desc *desc; for_each_irq_desc(irq, desc) { - cpumask_t mask; + const struct cpumask *affinity; if (!desc) continue; if (irq == 2) continue; - cpus_and(mask, desc->affinity, map); - if (any_online_cpu(mask) == NR_CPUS) { + affinity = desc->affinity; + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { printk("Breaking affinity for irq %i\n", irq); - mask = map; + affinity = cpu_all_mask; } if (desc->chip->set_affinity) - desc->chip->set_affinity(irq, mask); + desc->chip->set_affinity(irq, affinity); else if (desc->action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } |