From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 13 Aug 2008 00:25:03 +0000 (-0700)
Subject: rcu: prevent console flood when one CPU sees another AWOL via RCU
X-Git-Tag: v2.6.28-rc1~723^2~19
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=293a17ebc944c958e24e6ffbd1d5a49abdbf489e;p=karo-tx-linux.git

rcu: prevent console flood when one CPU sees another AWOL via RCU

One small change needed to keep from flooding the console when one
CPU notices that another is AWOL.  Unless I am missing something subtle.
Otherwise the cleanups look good!

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
index 56b8712fe5aa..dab2676d9d72 100644
--- a/kernel/rcuclassic.c
+++ b/kernel/rcuclassic.c
@@ -308,6 +308,7 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp)
 		spin_unlock(&rcp->lock);
 		return;
 	}
+	rcp->gp_check = get_seconds() + 30;
 	spin_unlock(&rcp->lock);
 
 	/* OK, time to rat on our buddy... */