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authorAkinobu Mita <akinobu.mita@gmail.com>2010-03-01 21:25:49 +0300
committerMatt Turner <mattst88@gmail.com>2010-03-19 05:34:08 +0300
commit2a238a96358dde09aa52de9b9f97a383165ca651 (patch)
treeab5344a7dc7d95b3d9eeea9b050b164286979bd3 /arch/alpha
parent39710479303fd3affb3e204e9a7a75cc676977b5 (diff)
downloadlinux-2a238a96358dde09aa52de9b9f97a383165ca651.tar.xz
alpha: use __ratelimit
Replace open-coded rate limiting logic with __ratelimit(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: linux-alpha@vger.kernel.org Signed-off-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/kernel/traps.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 6ee7655b7568..b14f015008ad 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kallsyms.h>
+#include <linux/ratelimit.h>
#include <asm/gentrap.h>
#include <asm/uaccess.h>
@@ -771,8 +772,7 @@ asmlinkage void
do_entUnaUser(void __user * va, unsigned long opcode,
unsigned long reg, struct pt_regs *regs)
{
- static int cnt = 0;
- static unsigned long last_time;
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
unsigned long tmp1, tmp2, tmp3, tmp4;
unsigned long fake_reg, *reg_addr = &fake_reg;
@@ -783,15 +783,11 @@ do_entUnaUser(void __user * va, unsigned long opcode,
with the unaliged access. */
if (!test_thread_flag (TIF_UAC_NOPRINT)) {
- if (cnt >= 5 && time_after(jiffies, last_time + 5 * HZ)) {
- cnt = 0;
- }
- if (++cnt < 5) {
+ if (__ratelimit(&ratelimit)) {
printk("%s(%d): unaligned trap at %016lx: %p %lx %ld\n",
current->comm, task_pid_nr(current),
regs->pc - 4, va, opcode, reg);
}
- last_time = jiffies;
}
if (test_thread_flag (TIF_UAC_SIGBUS))
goto give_sigbus;