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Date: Wed, 21 May 2014 12:19:12 -0700
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/1] ptrace: task_clear_jobctl_trapping()->wake_up_bit()
 needs mb()
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To: Peter Zijlstra <peterz@infradead.org>
Cc: Oleg Nesterov <oleg@redhat.com>, David Howells <dhowells@redhat.com>, Mel Gorman <mgorman@suse.de>, Johannes Weiner <hannes@cmpxchg.org>, Vlastimil Babka <vbabka@suse.cz>, Jan Kara <jack@suse.cz>, Michal Hocko <mhocko@suse.cz>, Hugh Dickins <hughd@google.com>, Dave Hansen <dave.hansen@intel.com>, Linux Kernel <linux-kernel@vger.kernel.org>, Linux-MM <linux-mm@kvack.org>, Linux-FSDevel <linux-fsdevel@vger.kernel.org>, Paul McKenney <paulmck@linux.vnet.ibm.com>, Linus Torvalds <torvalds@linux-foundation.org>

On Wed, 21 May 2014 11:29:32 +0200 Peter Zijlstra <peterz@infradead.org> wrote:

> On Fri, May 16, 2014 at 03:51:37PM +0200, Oleg Nesterov wrote:
> > __wake_up_bit() checks waitqueue_active() and thus the caller needs
> > mb() as wake_up_bit() documents, fix task_clear_jobctl_trapping().
> > 
> > Signed-off-by: Oleg Nesterov <oleg@redhat.com>
> 
> Seeing how you are one of the ptrace maintainers, how do you want this
> routed? Does Andrew pick this up, do I stuff it somewhere?

Thanks, I grabbed it.  ptrace has been pretty quiet lately.

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