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Date: Wed, 11 Dec 2013 10:21:26 -0500
From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Alex Thorlton <athorlton@sgi.com>, Linux-MM <linux-mm@kvack.org>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: numa: Guarantee that tlb_flush_pending updates are
 visible before page table updates
Message-ID: <20131211102126.532c763d@annuminas.surriel.com>
In-Reply-To: <20131211132109.GB24125@suse.de>
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	<20131211132109.GB24125@suse.de>
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On Wed, 11 Dec 2013 13:21:09 +0000
Mel Gorman <mgorman@suse.de> wrote:

> According to documentation on barriers, stores issued before a LOCK can
> complete after the lock implying that it's possible tlb_flush_pending can
> be visible after a page table update. As per revised documentation, this patch
> adds a smp_mb__before_spinlock to guarantee the correct ordering.

And now you have 18 patches :)
 
> Cc: stable@vger.kernel.org
> Signed-off-by: Mel Gorman <mgorman@suse.de>

Reviewed-by: Rik van Riel <riel@redhat.com>
 
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