Message-ID: <1371088013.1746.80.camel@buesod1.americas.hpqcorp.net>
Subject: Re: next-20130607 BUG: sleeping function called from invalid
 context at lib/idr.c:424
From: Davidlohr Bueso <davidlohr.bueso@hp.com>
To: Valdis.Kletnieks@vt.edu
Cc: Andrew Morton <akpm@linux-foundation.org>, Tejun Heo <tj@kernel.org>,
        Al Viro <viro@zeniv.linux.org.uk>, linux-kernel@vger.kernel.org
Date: Wed, 12 Jun 2013 18:46:53 -0700
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On Wed, 2013-06-12 at 21:22 -0400, Valdis.Kletnieks@vt.edu wrote:
> On Tue, 11 Jun 2013 11:38:20 -0700, Davidlohr Bueso said:
> 
> > > Looking at 'git blame', I see a bunch of patches from Davidlohr Bueso on 06/07
> > > that hit ipc/util.c and friends.
> >
> > Yeah, this is my fault. It was originally reported by Fengguang:
> > http://www.spinics.net/lists/kernel/msg1545633.html#.UbYI9qqdmV8
> >
> > Sasha proposed a fix to use GFP_ATOMIC in idr_preload instead of
> > GFP_KERNEL:
> >
> > http://lkml.org/lkml/2013/6/10/322
> 
> Confirming that Sasha's proposed fix eliminates the BUG in my kernel,
> so if GFP_ATOMIC is acceptable otherwise, feel free to stick a Tested-By:
> on it of you like.

Actually, this is the fix we are going with:
https://lkml.org/lkml/2013/6/11/705

Thanks,
Davidlohr


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