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authorAkinobu Mita <akinobu.mita@gmail.com>2010-02-28 10:58:15 +0000
committerKyle McMartin <kyle@redhat.com>2010-03-06 22:54:59 +0000
commit6ee77658ce387ad6c85dcbda4a68bc33efd8de39 (patch)
treee830d3aef6080526f03400949ccb86d132f1f817 /arch/parisc
parentc60185248fd1c7b777f08d3f3337836331da3d17 (diff)
downloadlinux-2.6.34-ux500-6ee77658ce387ad6c85dcbda4a68bc33efd8de39.tar.gz
parisc: use __ratelimit in unaligned.c
Replace open-coded rate limiting logic with __ratelimit(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/unaligned.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index e6f4b7a4b7e..92d977bb5ea 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/signal.h>
+#include <linux/ratelimit.h>
#include <asm/uaccess.h>
/* #define DEBUG_UNALIGNED 1 */
@@ -446,8 +447,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
void handle_unaligned(struct pt_regs *regs)
{
- static unsigned long unaligned_count = 0;
- static unsigned long last_time = 0;
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
unsigned long newbase = R1(regs->iir)?regs->gr[R1(regs->iir)]:0;
int modify = 0;
int ret = ERR_NOTHANDLED;
@@ -460,14 +460,8 @@ void handle_unaligned(struct pt_regs *regs)
goto force_sigbus;
}
- if (unaligned_count > 5 &&
- time_after(jiffies, last_time + 5 * HZ)) {
- unaligned_count = 0;
- last_time = jiffies;
- }
-
- if (!(current->thread.flags & PARISC_UAC_NOPRINT)
- && ++unaligned_count < 5) {
+ if (!(current->thread.flags & PARISC_UAC_NOPRINT) &&
+ __ratelimit(&ratelimit)) {
char buf[256];
sprintf(buf, "%s(%d): unaligned access to 0x" RFMT " at ip=0x" RFMT "\n",
current->comm, task_pid_nr(current), regs->ior, regs->iaoq[0]);