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authorAndreas Mohr <andi@rhlx01.fht-esslingen.de>2006-06-23 02:05:32 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:43:05 -0700
commit83d4e6e7fba0b2a01092f0cf14ba2e33bd1253e9 (patch)
tree4fa75ffb35970e27762623edbc1f725171d2b0b5 /kernel
parente6022603b9aa7d61d20b392e69edcdbbc1789969 (diff)
downloadblackbird-op-linux-83d4e6e7fba0b2a01092f0cf14ba2e33bd1253e9.tar.gz
blackbird-op-linux-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.c12
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)
{
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