diff options
Diffstat (limited to 'arch/mips/kernel/time.c')
| -rw-r--r-- | arch/mips/kernel/time.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index a834080..d349eb9 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -322,18 +322,18 @@ static long last_rtc_update; * a broadcasted inter-processor interrupt which itself is triggered * by the global timer interrupt. */ -void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +void local_timer_interrupt(int irq, void *dev_id) { if (current->pid) - profile_tick(CPU_PROFILING, regs); - update_process_times(user_mode(regs)); + profile_tick(CPU_PROFILING); + update_process_times(user_mode(get_irq_regs())); } /* * High-level timer interrupt service routines. This function * is set as irqaction->handler and is invoked through do_IRQ. */ -irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t timer_interrupt(int irq, void *dev_id) { unsigned long j; unsigned int count; @@ -419,23 +419,24 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) * In SMP mode, local_timer_interrupt() is invoked by appropriate * low-level local timer interrupt handler. */ - local_timer_interrupt(irq, dev_id, regs); + local_timer_interrupt(irq, dev_id); return IRQ_HANDLED; } -int null_perf_irq(struct pt_regs *regs) +int null_perf_irq(void) { return 0; } -int (*perf_irq)(struct pt_regs *regs) = null_perf_irq; +int (*perf_irq)(void) = null_perf_irq; EXPORT_SYMBOL(null_perf_irq); EXPORT_SYMBOL(perf_irq); asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); int r2 = cpu_has_mips_r2; irq_enter(); @@ -448,27 +449,30 @@ asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs) * performance counter interrupt handler anyway. */ if (!r2 || (read_c0_cause() & (1 << 26))) - if (perf_irq(regs)) + if (perf_irq()) goto out; /* we keep interrupt disabled all the time */ if (!r2 || (read_c0_cause() & (1 << 30))) - timer_interrupt(irq, NULL, regs); + timer_interrupt(irq, NULL); out: irq_exit(); + set_irq_regs(old_regs); } asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); if (smp_processor_id() != 0) kstat_this_cpu.irqs[irq]++; /* we keep interrupt disabled all the time */ - local_timer_interrupt(irq, NULL, regs); + local_timer_interrupt(irq, NULL); irq_exit(); + set_irq_regs(old_regs); } /* |