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Commit 6ee77658 authored by Akinobu Mita's avatar Akinobu Mita Committed by Kyle McMartin
Browse files

parisc: use __ratelimit in unaligned.c 



Replace open-coded rate limiting logic with __ratelimit().

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarKyle McMartin <kyle@mcmartin.ca>
parent c6018524

arch/parisc/kernel/unaligned.c

+4 −10
Original line number Diff line number Diff line
@@ -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]);