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authorS.Caglar Onur <caglar@pardus.org.tr>2008-02-14 17:36:51 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-02-19 10:43:58 +0100
commit188fd89d539d899bfca2bc83534e5508e0161139 (patch)
treeffe14a3752c248b2b452f2b13a203a1de982cfae /kernel
parent9a4c8546f3e7c893888bccc2b3416d6214f2664a (diff)
downloadblackbird-op-linux-188fd89d539d899bfca2bc83534e5508e0161139.tar.gz
blackbird-op-linux-188fd89d539d899bfca2bc83534e5508e0161139.zip
genirq: spurious.c: use time_* macros
The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values. So following patch implements usage of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly Signed-off-by: S.Caglar Onur <caglar@pardus.org.tr> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/spurious.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index a6b2bc831dd0..088dabbf2d6a 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -6,6 +6,7 @@
* This file contains spurious interrupt handling.
*/
+#include <linux/jiffies.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
@@ -179,7 +180,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
* otherwise the couter becomes a doomsday timer for otherwise
* working systems
*/
- if (jiffies - desc->last_unhandled > HZ/10)
+ if (time_after(jiffies, desc->last_unhandled + HZ/10))
desc->irqs_unhandled = 1;
else
desc->irqs_unhandled++;
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