linux-kernel - [tip:core/rcu] rcu: Fix rcutorture mod

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Message-ID: <tip-6155fec92e85f07d99e9746234496215443ffb0d@git.kernel.org>
Date:	Thu, 25 Feb 2010 10:14:48 GMT
From:	"tip-bot for Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
	hpa@...or.com, mingo@...hat.com, error27@...il.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:core/rcu] rcu: Fix rcutorture mod_timer argument to delay one jiffy

Commit-ID:  6155fec92e85f07d99e9746234496215443ffb0d
Gitweb:     http://git.kernel.org/tip/6155fec92e85f07d99e9746234496215443ffb0d
Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Mon, 22 Feb 2010 17:05:04 -0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 25 Feb 2010 10:35:00 +0100

rcu: Fix rcutorture mod_timer argument to delay one jiffy

The current "mod_timer(&t, 1)" potentially makes the timer fire
immediately, change this to wait one jiffy.

Signed-off-by: Dan Carpenter <error27@...il.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: laijs@...fujitsu.com
Cc: dipankar@...ibm.com
Cc: mathieu.desnoyers@...ymtl.ca
Cc: josh@...htriplett.org
Cc: dvhltc@...ibm.com
Cc: niv@...ibm.com
Cc: peterz@...radead.org
Cc: rostedt@...dmis.org
Cc: Valdis.Kletnieks@...edu
Cc: dhowells@...hat.com
LKML-Reference: <1266887105-1528-20-git-send-email-paulmck@...ux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/rcutorture.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 5f43f30..258cdf0 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -853,7 +853,7 @@ rcu_torture_reader(void *arg)
 	do {
 		if (irqreader && cur_ops->irq_capable) {
 			if (!timer_pending(&t))
-				mod_timer(&t, 1);
+				mod_timer(&t, jiffies + 1);
 		}
 		idx = cur_ops->readlock();
 		completed = cur_ops->completed();
--
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