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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Joe Lawrence <joe.lawrence@stratus.com>
Cc: Tejun Heo <tj@kernel.org>,
	netdev@vger.kernel.org, Jiri Pirko <jiri@resnulli.us>
Subject: Re: [PATCH] team: add rescheduling jiffy delay on !rtnl_trylock
Date: Sun, 5 Oct 2014 07:08:55 -0700	[thread overview]
Message-ID: <20141005140855.GO5015@linux.vnet.ibm.com> (raw)
In-Reply-To: <54313F34.8090801@stratus.com>

On Sun, Oct 05, 2014 at 08:53:08AM -0400, Joe Lawrence wrote:
> On 10/04/2014 10:13 PM, Tejun Heo wrote:
> > Hello,
> > 
> > On Sat, Oct 04, 2014 at 01:37:32AM -0700, Paul E. McKenney wrote:
> >> FWIW, there is a cond_resched_rcu_qs() that should be going into the next
> >> merge window that could be used in place of the above two lines.  This is
> >> commit bde6c3aa9930 in -tip.
> > 
> > That sounds even better.
> > 
> > Joe, can you please send a patch with proper SOB and description?
> > 
> > Thanks.
> 
> New patch tested and posted on lkml w/everyone CC'd.
> 
> I wasn't sure if cond_resched_rcu_qs will be backported, so how should
> -stable handle this condition?

If it is needed to backport a fix, it can of course be backported.
The various -stable maintainers also have the option of avoiding
the need for a backport by expanding it inline.  I am happy to let
them choose.  ;-)

							Thanx, Paul

  reply	other threads:[~2014-10-05 14:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-29 15:54 [PATCH] team: add rescheduling jiffy delay on !rtnl_trylock Joe Lawrence
2014-09-29 16:06 ` Tejun Heo
2014-10-02  6:43   ` Paul E. McKenney
2014-10-03 19:37     ` Joe Lawrence
2014-10-04  8:37       ` Paul E. McKenney
2014-10-05  2:13         ` Tejun Heo
2014-10-05 12:53           ` Joe Lawrence
2014-10-05 14:08             ` Paul E. McKenney [this message]
2014-10-05 16:11               ` Tejun Heo

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