linux-kernel - Re: [PATCH v7 2/4] virtio_balloon: introduce migration primitives to balloon pages

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Message-ID: <502ABB9B.90108@redhat.com>
Date:	Tue, 14 Aug 2012 16:56:59 -0400
From:	Rik van Riel <riel@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	Rafael Aquini <aquini@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Mel Gorman <mel@....ul.ie>, Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Minchan Kim <minchan@...nel.org>
Subject: Re: [PATCH v7 2/4] virtio_balloon: introduce migration primitives
 to balloon pages

On 08/14/2012 04:54 PM, Michael S. Tsirkin wrote:

> To clarify, the global state that this patch adds, is ugly
> even if we didn't support multiple balloons yet.
> So I don't think I can accept such a patch.
> Rusty has a final word here, maybe he thinks differently.

Before deciding that "does not support multiple balloon drivers
at once" is an issue, is there any use case at all for having
multiple balloon drivers active at a time?

I do not see any.

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