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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2010-02-28 11:58:14 +0100 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2010-05-18 23:45:54 +0200 |
| commit | 7683a3f9748f7adfbe47e33002a4f710ab557293 (patch) | |
| tree | 468c3ef3126f84a1a35891a5213f4c517113160e /arch/ia64/kernel/irq_ia64.c | |
| parent | [IA64] Use set_cpus_allowed_ptr (diff) | |
| download | linux-7683a3f9748f7adfbe47e33002a4f710ab557293.tar.xz linux-7683a3f9748f7adfbe47e33002a4f710ab557293.zip | |
[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.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 640479304ac0..f14c35f9b03a 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); |