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authorAkinobu Mita <akinobu.mita@gmail.com>2010-02-28 19:58:14 +0900
committerTony Luck <tony.luck@intel.com>2010-05-18 14:45:54 -0700
commit7683a3f9748f7adfbe47e33002a4f710ab557293 (patch)
tree468c3ef3126f84a1a35891a5213f4c517113160e /arch/ia64/kernel/irq_ia64.c
parent552dce3a071f0de2a84023fbba7f3b4ac36602cd (diff)
[IA64] use __ratelimit
Replace open-coded rate limiting logic with __ratelimit(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/irq_ia64.c')
-rw-r--r--arch/ia64/kernel/irq_ia64.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 640479304ac..f14c35f9b03 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -29,6 +29,7 @@
#include <linux/threads.h>
#include <linux/bitops.h>
#include <linux/irq.h>
+#include <linux/ratelimit.h>
#include <asm/delay.h>
#include <asm/intrinsics.h>
@@ -467,13 +468,9 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
sp = ia64_getreg(_IA64_REG_SP);
if ((sp - bsp) < 1024) {
- static unsigned char count;
- static long last_time;
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
- if (time_after(jiffies, last_time + 5 * HZ))
- count = 0;
- if (++count < 5) {
- last_time = jiffies;
+ if (__ratelimit(&ratelimit)) {
printk("ia64_handle_irq: DANGER: less than "
"1KB of free stack space!!\n"
"(bsp=0x%lx, sp=%lx)\n", bsp, sp);