diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/spurious.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 7df9abd5ec8..b2fb3c18d06 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -11,7 +11,7 @@ #include <linux/kallsyms.h> #include <linux/interrupt.h> -static int irqfixup; +static int irqfixup __read_mostly; /* * Recovery handler for misrouted interrupts. @@ -136,9 +136,9 @@ static void report_bad_irq(unsigned int irq, irq_desc_t *desc, irqreturn_t actio void note_interrupt(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret, struct pt_regs *regs) { - if (action_ret != IRQ_HANDLED) { + if (unlikely(action_ret != IRQ_HANDLED)) { desc->irqs_unhandled++; - if (action_ret != IRQ_NONE) + if (unlikely(action_ret != IRQ_NONE)) report_bad_irq(irq, desc, action_ret); } @@ -152,11 +152,11 @@ void note_interrupt(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret, } desc->irq_count++; - if (desc->irq_count < 100000) + if (likely(desc->irq_count < 100000)) return; desc->irq_count = 0; - if (desc->irqs_unhandled > 99900) { + if (unlikely(desc->irqs_unhandled > 99900)) { /* * The interrupt is stuck */ @@ -171,7 +171,7 @@ void note_interrupt(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret, desc->irqs_unhandled = 0; } -int noirqdebug; +int noirqdebug __read_mostly; int __init noirqdebug_setup(char *str) { |