diff options
Diffstat (limited to 'arch/sparc/kernel/irq_64.c')
| -rw-r--r-- | arch/sparc/kernel/irq_64.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index d45b710ea7e..666193f4e8b 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -26,7 +26,6 @@ #include <asm/ptrace.h> #include <asm/processor.h> #include <linux/atomic.h> -#include <asm/system.h> #include <asm/irq.h> #include <asm/io.h> #include <asm/iommu.h> @@ -699,30 +698,19 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs) set_irq_regs(old_regs); } -void do_softirq(void) +void do_softirq_own_stack(void) { - unsigned long flags; - - if (in_interrupt()) - return; - - local_irq_save(flags); + void *orig_sp, *sp = softirq_stack[smp_processor_id()]; - if (local_softirq_pending()) { - void *orig_sp, *sp = softirq_stack[smp_processor_id()]; - - sp += THREAD_SIZE - 192 - STACK_BIAS; - - __asm__ __volatile__("mov %%sp, %0\n\t" - "mov %1, %%sp" - : "=&r" (orig_sp) - : "r" (sp)); - __do_softirq(); - __asm__ __volatile__("mov %0, %%sp" - : : "r" (orig_sp)); - } + sp += THREAD_SIZE - 192 - STACK_BIAS; - local_irq_restore(flags); + __asm__ __volatile__("mov %%sp, %0\n\t" + "mov %1, %%sp" + : "=&r" (orig_sp) + : "r" (sp)); + __do_softirq(); + __asm__ __volatile__("mov %0, %%sp" + : : "r" (orig_sp)); } #ifdef CONFIG_HOTPLUG_CPU @@ -800,7 +788,7 @@ static void kill_prom_timer(void) prom_limit0 = prom_timers->limit0; prom_limit1 = prom_timers->limit1; - /* Just as in sun4c/sun4m PROM uses timer which ticks at IRQ 14. + /* Just as in sun4c PROM uses timer which ticks at IRQ 14. * We turn both off here just to be paranoid. */ prom_timers->limit0 = 0; @@ -836,7 +824,8 @@ void notrace init_irqwork_curcpu(void) * Therefore you cannot make any OBP calls, not even prom_printf, * from these two routines. */ -static void __cpuinit notrace register_one_mondo(unsigned long paddr, unsigned long type, unsigned long qmask) +static void notrace register_one_mondo(unsigned long paddr, unsigned long type, + unsigned long qmask) { unsigned long num_entries = (qmask + 1) / 64; unsigned long status; @@ -849,7 +838,7 @@ static void __cpuinit notrace register_one_mondo(unsigned long paddr, unsigned l } } -void __cpuinit notrace sun4v_register_mondo_queues(int this_cpu) +void notrace sun4v_register_mondo_queues(int this_cpu) { struct trap_per_cpu *tb = &trap_block[this_cpu]; |