linux-kernel - Re: [PATCH 09/16] percpu: Replace smp_read_barrier_depends() with lockless

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Message-ID: <20141114131448.GC21209@htj.dyndns.org>
Date:	Fri, 14 Nov 2014 08:14:48 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	Christoph Lameter <cl@...ux-foundation.org>,
	open list <linux-kernel@...r.kernel.org>,
	paulmck@...ux.vnet.ibm.com
Subject: Re: [PATCH 09/16] percpu: Replace smp_read_barrier_depends() with
 lockless_dereference()

On Thu, Nov 13, 2014 at 02:24:15PM -0500, Pranith Kumar wrote:
> Recently lockless_dereference() was added which can be used in place of
> hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
> 
> Signed-off-by: Pranith Kumar <bobby.prani@...il.com>

How should this be routed?  There's a pending change on the same
region of code and if this patch is routed outside percpu tree it'd
cause a conflict and I can't route this as lockless_dereference()
isn't in the mainline yet.  Maybe expose a git branch which contaisn
lockless_dereference() so that percpu can pull it in?

Thanks.

-- 
tejun
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