diff options
| author | Andreas Mohr <andi@rhlx01.fht-esslingen.de> | 2006-06-23 02:05:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:05 -0700 |
| commit | 83d4e6e7fba0b2a01092f0cf14ba2e33bd1253e9 (patch) | |
| tree | 4fa75ffb35970e27762623edbc1f725171d2b0b5 /kernel | |
| parent | e6022603b9aa7d61d20b392e69edcdbbc1789969 (diff) | |
| download | lwn-83d4e6e7fba0b2a01092f0cf14ba2e33bd1253e9.tar.gz lwn-83d4e6e7fba0b2a01092f0cf14ba2e33bd1253e9.zip | |
[PATCH] make noirqdebug/irqfixup __read_mostly, add (un)likely()
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -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 7df9abd5ec86..b2fb3c18d06b 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) { |