linux-kernel - Re: [PATCH tip/core/rcu 26/86] rcu: remove useless ->boosted_this

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Message-ID: <20110502083434.GA2297@linux.vnet.ibm.com>
Date:	Mon, 2 May 2011 01:34:34 -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, "Paul E. McKenney" <paul.mckenney@...aro.org>
Subject: Re: [PATCH tip/core/rcu 26/86] rcu: remove useless
 ->boosted_this_gp field

On Sun, May 01, 2011 at 09:05:29AM -0700, Josh Triplett wrote:
> On Sun, May 01, 2011 at 06:21:06AM -0700, Paul E. McKenney wrote:
> > From: Paul E. McKenney <paul.mckenney@...aro.org>
> > 
> > The ->boosted_this_gp field is a holdover from an earlier design that
> > was to carry out multiple boost operations in parallel.  It is not required
> > by the current design, which boosts one task at a time.
> > 
> > Signed-off-by: Paul E. McKenney <paul.mckenney@...aro.org>
> > Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> 
> Can you squash this patch into the commit that introduces
> boosted_this_gp in the first place?

Unfortunately, no.  That commit is already in mainline.

							Thanx, Paul
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