From: Anthony Liguori <aliguori@linux.vnet.ibm.com>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: Kevin Wolf <kwolf@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Christoph Hellwig <hch@lst.de>,
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Make default invocation of block drivers safer
Date: Wed, 14 Jul 2010 14:04:45 -0500 [thread overview]
Message-ID: <4C3E0A4D.6070609@linux.vnet.ibm.com> (raw)
In-Reply-To: <20100714185406.GR18814@hall.aurel32.net>
On 07/14/2010 01:54 PM, Aurelien Jarno wrote:
> On Wed, Jul 14, 2010 at 08:43:11PM +0200, Christoph Hellwig wrote:
>
>> Err, strong NACK. Please don't start messing with the contents of the
>> data plane, we're getting into real trouble there. It's perfectly
>> valid for a guest to create an image inside an image, and with hardware
>> support for nested virtualization I guess this use case will become
>> rather common, just as it already is on S/390 with VM.
>>
>>
> Maybe it should only be done on the hard drive used to boot?
>
It's just as dangerous on any other disk. My use of "bootsector" in the
code is probably misleading.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2010-07-14 19:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-14 16:12 [Qemu-devel] [PATCH] Make default invocation of block drivers safer Anthony Liguori
2010-07-14 16:42 ` [Qemu-devel] " Kevin Wolf
2010-07-14 17:40 ` Anthony Liguori
2010-07-15 8:00 ` Kevin Wolf
2010-07-14 18:43 ` [Qemu-devel] " Christoph Hellwig
2010-07-14 18:50 ` Anthony Liguori
2010-07-15 9:20 ` Daniel P. Berrange
2010-07-15 12:35 ` Anthony Liguori
2010-07-15 15:19 ` Markus Armbruster
2010-07-15 16:20 ` Anthony Liguori
2010-07-15 17:10 ` Kevin Wolf
2010-07-15 17:51 ` Anthony Liguori
2010-07-16 7:30 ` Kevin Wolf
2010-07-16 12:55 ` Stefan Hajnoczi
2010-07-16 13:00 ` Stefan Hajnoczi
2010-07-16 16:06 ` Markus Armbruster
2010-07-16 16:16 ` Anthony Liguori
2010-07-16 16:24 ` Kevin Wolf
2010-07-14 18:53 ` Anthony Liguori
2010-07-14 18:54 ` Aurelien Jarno
2010-07-14 19:04 ` Anthony Liguori [this message]
2010-07-15 8:09 ` Kevin Wolf
2010-07-15 9:10 ` Stefan Hajnoczi
2010-07-15 12:57 ` Anthony Liguori
2010-07-15 13:16 ` Kevin Wolf
2010-07-15 13:20 ` Stefan Hajnoczi
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