diff options
Diffstat (limited to 'arch/sparc/kernel/irq_64.c')
| -rw-r--r-- | arch/sparc/kernel/irq_64.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 3ec9f1402aad..ded463c82abd 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/ftrace.h> #include <linux/irq.h> +#include <linux/string_choices.h> #include <asm/ptrace.h> #include <asm/processor.h> @@ -42,6 +43,7 @@ #include <asm/head.h> #include <asm/hypervisor.h> #include <asm/cacheflush.h> +#include <asm/softirq_stack.h> #include "entry.h" #include "cpumap.h" @@ -144,9 +146,7 @@ static int hv_irq_version; */ static bool sun4v_cookie_only_virqs(void) { - if (hv_irq_version >= 3) - return true; - return false; + return hv_irq_version >= 3; } static void __init irq_init_hv(void) @@ -169,7 +169,7 @@ static void __init irq_init_hv(void) pr_info("SUN4V: Using IRQ API major %d, cookie only virqs %s\n", hv_irq_version, - sun4v_cookie_only_virqs() ? "enabled" : "disabled"); + str_enabled_disabled(sun4v_cookie_only_virqs())); } /* This function is for the timer interrupt.*/ @@ -303,9 +303,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; - seq_printf(p, "NMI: "); + seq_printf(p, "NMI:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).__nmi_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).__nmi_count, 10); seq_printf(p, " Non-maskable interrupts\n"); return 0; } @@ -348,17 +348,13 @@ static unsigned int sun4u_compute_tid(unsigned long imap, unsigned long cpuid) #ifdef CONFIG_SMP static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity) { - cpumask_t mask; int cpuid; - cpumask_copy(&mask, affinity); - if (cpumask_equal(&mask, cpu_online_mask)) { + if (cpumask_equal(affinity, cpu_online_mask)) { cpuid = map_to_cpu(irq); } else { - cpumask_t tmp; - - cpumask_and(&tmp, cpu_online_mask, &mask); - cpuid = cpumask_empty(&tmp) ? map_to_cpu(irq) : cpumask_first(&tmp); + cpuid = cpumask_first_and(affinity, cpu_online_mask); + cpuid = cpuid < nr_cpu_ids ? cpuid : map_to_cpu(irq); } return cpuid; @@ -854,6 +850,7 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs) set_irq_regs(old_regs); } +#ifdef CONFIG_SOFTIRQ_ON_OWN_STACK void do_softirq_own_stack(void) { void *orig_sp, *sp = softirq_stack[smp_processor_id()]; @@ -868,6 +865,7 @@ void do_softirq_own_stack(void) __asm__ __volatile__("mov %0, %%sp" : : "r" (orig_sp)); } +#endif #ifdef CONFIG_HOTPLUG_CPU void fixup_irqs(void) @@ -977,7 +975,7 @@ void notrace init_irqwork_curcpu(void) * * On SMP this gets invoked from the CPU trampoline before * the cpu has fully taken over the trap table from OBP, - * and it's kernel stack + %g6 thread register state is + * and its kernel stack + %g6 thread register state is * not fully cooked yet. * * Therefore you cannot make any OBP calls, not even prom_printf, |