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Date: Wed, 21 Apr 2010 15:39:14 -0700
From: Greg KH <greg@kroah.com>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
       Randy Dunlap <randy.dunlap@oracle.com>,
       Greg Kroah-Hartman <gregkh@suse.de>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Rusty Russell <rusty@rustcorp.com.au>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       Eric Dumazet <dada1@cosmosbay.com>, Tejun Heo <tj@kernel.org>,
       Ingo Molnar <mingo@elte.hu>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       stable <stable@kernel.org>
Subject: Re: [stable] [PATCH] modules fix incorrect percpu usage
Message-ID: <20100421223914.GA27883@kroah.com>
References: <20100330033211.GC7683@Krystal>
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 <20100420143457.GB14622@Krystal>
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On Tue, Apr 20, 2010 at 10:34:57AM -0400, Mathieu Desnoyers wrote:
> * Greg KH (greg@kroah.com) wrote:
> > On Tue, Mar 30, 2010 at 09:50:47AM -0400, Mathieu Desnoyers wrote:
> > > * Steven Rostedt (rostedt@goodmis.org) wrote:
> > > > On Mon, 2010-03-29 at 23:36 -0400, Mathieu Desnoyers wrote:
> > > > > * Mathieu Desnoyers (mathieu.desnoyers@efficios.com) wrote:
> > > > > > Should use per_cpu_ptr() to obfuscate the per cpu pointers (RELOC_HIDE is needed
> > > > > > for per cpu pointers).
> > > > > > 
> > > > > > Introduced by commit:
> > > > > > 
> > > > > > module.c: commit 6b588c18f8dacfa6d7957c33c5ff832096e752d3
> > > > > > 
> > > > > > This patch should be queued for the stable branch, for kernels 2.6.29.x to
> > > > > > 2.6.33.x.
> > > > > > (tested on 2.6.33.1 x86_64)
> > > > > 
> > > > > It's actually needed for mainline too (2.6.34-rc2).
> > > > 
> > > > Then all you need to do is submit it for mainline with a 
> > > > "Cc: stable@kernel.org" as you did below. It will then automatically be
> > > > added to the stable queue when Linus pulls it.
> > > 
> > > OK, thanks for the info.
> > 
> > And I need to wait until it goes into Linus's tree before it can be
> > applied to the stable tree.  This hasn't happened yet, right?
> > 
> > thanks,
> > 
> > greg k-h
> 
> Same here, for module.c fix. Feel free to choose between this fix or the
> corresponding refactoring from Tejun.

Thanks, I took this one.

greg k-h