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From: Jamie Lokier <jamie@shareable.org>
To: Avi Kivity <avi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
	qemu-devel <qemu-devel@nongnu.org>,
	Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] Re: bs->enable_write_cache and the guest ABI
Date: Mon, 8 Mar 2010 23:00:22 +0000	[thread overview]
Message-ID: <20100308230022.GC16057@shareable.org> (raw)
In-Reply-To: <4B94D60A.7070006@redhat.com>

Avi Kivity wrote:
> I think we have to go with a qdev property as Christoph suggests.  Then 
> it becomes the management's responsibility to set it right.

How can the management be expected to know or follow dynamically
changing guest state?  There guests which disable a drive's write
cache in some application scripts, and others which enable it in boot
scripts.  That's not something management should be knowing about.

-- Jamie

  parent reply	other threads:[~2010-03-08 23:07 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-07 14:42 [Qemu-devel] bs->enable_write_cache and the guest ABI Avi Kivity
2010-03-08  9:39 ` Christoph Hellwig
2010-03-08  9:45   ` Avi Kivity
2010-03-08  9:47   ` Jamie Lokier
2010-03-08 17:00     ` Christoph Hellwig
2010-03-08 22:55       ` Jamie Lokier
2010-03-08 10:29 ` [Qemu-devel] " Juan Quintela
2010-03-08 10:48   ` Avi Kivity
2010-03-08 12:46     ` Juan Quintela
2010-03-08 23:00     ` Jamie Lokier [this message]
2010-03-09  9:56       ` Avi Kivity
2010-03-09 19:26         ` Jamie Lokier

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