From: Rik van Riel <riel@redhat.com>
To: Jason Low <jason.low2@hp.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>, Christoph Lameter <cl@linux.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Aswin Chandramouleeswaran <aswin@hp.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Mel Gorman <mgorman@suse.de>, Hugh Dickins <hughd@google.com>,
Minchan Kim <minchan@kernel.org>,
Davidlohr Bueso <dave@stgolabs.net>
Subject: Re: [PATCH] mm: Remove usages of ACCESS_ONCE
Date: Tue, 24 Mar 2015 10:39:55 -0400 [thread overview]
Message-ID: <5511773B.6020103@redhat.com> (raw)
In-Reply-To: <1427150680.2515.36.camel@j-VirtualBox>
On 03/23/2015 06:44 PM, Jason Low wrote:
> Commit 38c5ce936a08 converted ACCESS_ONCE usage in gup_pmd_range() to
> READ_ONCE, since ACCESS_ONCE doesn't work reliably on non-scalar types.
>
> This patch removes the rest of the usages of ACCESS_ONCE, and use
> READ_ONCE for the read accesses. This also makes things cleaner,
> instead of using separate/multiple sets of APIs.
>
> Signed-off-by: Jason Low <jason.low2@hp.com>
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2015-03-24 14:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-23 22:44 [PATCH] mm: Remove usages of ACCESS_ONCE Jason Low
2015-03-24 10:30 ` Michal Hocko
2015-03-24 18:30 ` Jason Low
2015-03-25 7:51 ` Michal Hocko
2015-03-24 14:32 ` Davidlohr Bueso
2015-03-24 14:39 ` Rik van Riel [this message]
2015-03-24 14:42 ` Christian Borntraeger
2015-03-24 16:58 ` Jason Low
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