linux-kernel - Re: [PATCH tip/core/rcu 04/12] rcu: Move expedited code from tree.c to tree

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Message-Id: <20160615221645.GZ3923@linux.vnet.ibm.com>
Date:	Wed, 15 Jun 2016 15:16:45 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, rostedt@...dmis.org,
	dhowells@...hat.com, edumazet@...gle.com, dvhart@...ux.intel.com,
	fweisbec@...il.com, oleg@...hat.com, bobby.prani@...il.com
Subject: Re: [PATCH tip/core/rcu 04/12] rcu: Move expedited code from tree.c
 to tree_exp.h

On Thu, Jun 16, 2016 at 12:05:39AM +0200, Peter Zijlstra wrote:
> On Wed, Jun 15, 2016 at 02:46:05PM -0700, Paul E. McKenney wrote:
> > People have been having some difficulty finding their way around the
> > RCU code.  This commit therefore pulls some of the expedited grace-period
> > code from tree.c to a new tree_exp.h file.  This commit is strictly code
> > movement, with the exception of a forward declaration that was added
> > for the sync_sched_exp_online_cleanup() function.
> > 
> > A subsequent commit will move the remaining expedited grace-period code
> > from tree_plugin.h to tree_exp.h.
> 
> Part of the problem for me is always the fact that its so weirdly
> divided over these files. Now you're making that worse. How is this
> helping?

The expedited stuff is now in one place rather than being split across
two different files.

							Thanx, Paul