linux-kernel - Re: [PATCH tip/core/rcu 42/55] rcu: Make rcu_torture

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Message-ID: <20111024121048.GE2273@linux.vnet.ibm.com>
Date:	Mon, 24 Oct 2011 05:10:48 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	patches@...aro.org
Subject: Re: [PATCH tip/core/rcu 42/55] rcu: Make rcu_torture_fqs() exit
 loops at end of test

On Sun, Oct 16, 2011 at 06:53:29PM -0700, Josh Triplett wrote:
> On Tue, Sep 06, 2011 at 11:00:36AM -0700, Paul E. McKenney wrote:
> > The rcu_torture_fqs() function can prevent the rcutorture tests from
> > completing, resulting in a hang.  This commit therefore ensures that
> > rcu_torture_fqs() will exit its inner loops at the end of the test,
> > and also applies the newish ULONG_CMP_LT() macro to time comparisons.
> > 
> > Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> 
> This seems like two entirely separate changes, which should go in
> separate commits.

Interesting.  I was thinking of this as fixing hangs in rcutorture,
and was feeling somewhat bad about having the separate commit for the
part of the fix that I missed.  ;-)

							Thanx, Paul

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