From: Peter Zijlstra <peterz@infradead.org>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Rafael Aquini <aquini@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Rusty Russell <rusty@rustcorp.com.au>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Minchan Kim <minchan@kernel.org>
Subject: Re: [PATCH v8 3/5] virtio_balloon: introduce migration primitives to balloon pages
Date: Tue, 21 Aug 2012 17:34:20 +0200 [thread overview]
Message-ID: <1345563260.26596.0.camel@twins> (raw)
In-Reply-To: <20120821144013.GA7784@redhat.com>
On Tue, 2012-08-21 at 17:40 +0300, Michael S. Tsirkin wrote:
> > + vb->balloon_status = BALLOON_REMOVAL;
>
> This needs some kind of barrier.
>
> > kthread_stop(vb->thread);
kthread_stop() implies an smp_wmb() [ because it needs to do a wakeup ].
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next prev parent reply other threads:[~2012-08-21 15:34 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-21 12:47 [PATCH v8 0/5] make balloon pages movable by compaction Rafael Aquini
2012-08-21 12:47 ` [PATCH v8 1/5] mm: introduce a common interface for balloon pages mobility Rafael Aquini
2012-08-21 13:52 ` Michael S. Tsirkin
2012-08-21 14:25 ` Michael S. Tsirkin
2012-08-21 15:16 ` Peter Zijlstra
2012-08-21 15:41 ` Michael S. Tsirkin
2012-08-21 17:42 ` Rafael Aquini
2012-08-21 19:28 ` Michael S. Tsirkin
2012-08-21 17:55 ` Rafael Aquini
2012-08-21 19:16 ` Michael S. Tsirkin
2012-08-21 19:34 ` Rafael Aquini
2012-08-22 0:06 ` Michael S. Tsirkin
2012-08-21 15:20 ` Peter Zijlstra
2012-08-21 16:24 ` Paul E. McKenney
2012-08-21 17:28 ` Rafael Aquini
2012-08-21 19:13 ` Michael S. Tsirkin
2012-08-21 19:23 ` Rafael Aquini
2012-08-21 19:30 ` Michael S. Tsirkin
2012-08-21 20:45 ` Rafael Aquini
2012-08-22 0:07 ` Michael S. Tsirkin
2012-08-22 1:19 ` Rafael Aquini
2012-08-22 9:33 ` Michael S. Tsirkin
2012-08-23 2:19 ` Rafael Aquini
2012-08-23 10:01 ` Michael S. Tsirkin
2012-08-23 12:13 ` Rafael Aquini
2012-08-23 12:34 ` Michael S. Tsirkin
2012-08-23 13:06 ` Rafael Aquini
2012-08-23 13:53 ` Michael S. Tsirkin
2012-08-23 15:21 ` Rafael Aquini
2012-08-23 15:54 ` Michael S. Tsirkin
2012-08-23 16:03 ` Rik van Riel
2012-08-23 16:06 ` Rafael Aquini
2012-08-23 16:10 ` Michael S. Tsirkin
2012-08-23 16:25 ` Michael S. Tsirkin
2012-08-23 17:28 ` Rafael Aquini
2012-08-23 17:59 ` Rik van Riel
2012-08-23 23:36 ` Michael S. Tsirkin
2012-08-24 0:26 ` Rafael Aquini
2012-08-24 0:33 ` Rafael Aquini
2012-08-24 0:38 ` Rafael Aquini
2012-08-24 0:49 ` Rafael Aquini
2012-08-24 3:12 ` Rik van Riel
2012-08-24 8:03 ` Michael S. Tsirkin
2012-08-21 12:47 ` [PATCH v8 2/5] mm: introduce compaction and migration for ballooned pages Rafael Aquini
2012-08-21 12:47 ` [PATCH v8 3/5] virtio_balloon: introduce migration primitives to balloon pages Rafael Aquini
2012-08-21 14:40 ` Michael S. Tsirkin
2012-08-21 15:34 ` Peter Zijlstra [this message]
2012-08-21 15:37 ` Peter Zijlstra
2012-08-21 14:57 ` Michael S. Tsirkin
2012-08-21 12:47 ` [PATCH v8 4/5] mm: introduce putback_movable_pages() Rafael Aquini
2012-08-21 14:42 ` Michael S. Tsirkin
2012-08-21 12:47 ` [PATCH v8 5/5] mm: add vm event counters for balloon pages compaction Rafael Aquini
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