linux-kernel - Re: [tip:tracing/kmemtrace] rcutree: fix rcu_tree

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Message-ID: <20090325161147.GA18738@elte.hu>
Date:	Wed, 25 Mar 2009 17:11:47 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	penberg@...helsinki.fi, eduard.munteanu@...ux360.ro,
	tglx@...utronix.de
Subject: Re: [tip:tracing/kmemtrace] rcutree: fix rcu_tree_trace.c data
	structure dependencies


* Ingo Molnar <mingo@...e.hu> wrote:

> Commit-ID:  5d957021d326fbfdc1d7a4f11a3da1f6f82d6a36
> Gitweb:     http://git.kernel.org/tip/5d957021d326fbfdc1d7a4f11a3da1f6f82d6a36
> Author:     Ingo Molnar <mingo@...e.hu>
> AuthorDate: Wed, 25 Mar 2009 16:42:24 +0100
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Wed, 25 Mar 2009 16:42:24 +0100
> 
> rcutree: fix rcu_tree_trace.c data structure dependencies
> 
> Impact: build fix
> 
> We removed rcutree internals from the public rcutree.h file - but
> kernel/rcutree_trace.c depends on them.
> 
> Introduce kernel/rcutree.h for internal definitions. (Probably all
> the other data types from include/linux/rcutree.h could be
> moved here too - except rcu_data.)

Paul ... what do you think? This is just an interim measure to get 
the build going - i think we could do more cleanups here perhaps, if 
you agree.

I think many of the data definitions (and the resulting include file 
dependencies) in include/linux/rcu*.h could move into kernel/rcu*.h 
and be privatized that way. 'struct rcu_state' would be an example.

Agreed?

	Ingo
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