From: Anthony Liguori <anthony@codemonkey.ws>
To: Avi Kivity <avi@qumranet.com>
Cc: "Jorge Lucángeli Obes" <t4m5yn@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 4/4][RFC] Add logic to QEMU to read command line options from qcow2 images
Date: Thu, 09 Aug 2007 15:32:45 -0500 [thread overview]
Message-ID: <46BB79ED.2020503@codemonkey.ws> (raw)
In-Reply-To: <46BB7966.3090007@qumranet.com>
Avi Kivity wrote:
> Anthony Liguori wrote:
>>
>> If you're looking for a low-end solution, another possibility would
>> be having a "new" file format which consisted of:
>>
>> #!/path/to/qemu [<args> ...] <nl>
>> <standard disk image>
>>
>> And then make the appropriate changes to QEMU such that it can skip
>> the first line in a disk image file. This has a few nice side
>> effects. The disk image is directly executable and it makes it very
>> clear to the user that they have to trust the disk image. The other
>> nice thing is that it would work with file formats other than qcow2.
>
> Well, it would be nice to align the disk image to a sector boundary
> (or, better, a page boundary). But yes, a very good idea.
That has the very nice side effect of allowing you to edit the command
line with a text editor provided you don't cross the sector boundary.
Filling with spaces would be pretty nice.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2007-08-09 20:32 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-08 18:24 [PATCH 4/4][RFC] Add logic to QEMU to read command line options from qcow2 images Jorge Lucángeli Obes
2007-08-08 19:52 ` [Qemu-devel] " Jorge Lucángeli Obes
2007-08-08 20:24 ` Daniel P. Berrange
2007-08-09 14:54 ` Anthony Liguori
2007-08-09 15:07 ` Daniel P. Berrange
2007-08-09 20:16 ` Avi Kivity
2007-08-09 20:25 ` Anthony Liguori
2007-08-09 20:30 ` Avi Kivity
2007-08-09 20:32 ` Anthony Liguori [this message]
2007-08-09 20:39 ` Avi Kivity
2007-08-09 20:44 ` Brian Wheeler
2007-08-09 20:49 ` Anthony Liguori
2007-08-10 3:51 ` dmc
2007-08-10 13:26 ` Carlos A. M. dos Santos
2007-08-09 20:55 ` Brian Wheeler
2007-08-10 0:48 ` Anthony Liguori
2007-08-11 17:11 ` andrzej zaborowski
2007-08-11 18:06 ` Philip Boulain
2007-08-11 19:08 ` Christian Brunschen
2007-08-11 19:53 ` Anthony Liguori
2007-08-11 19:52 ` Anthony Liguori
2007-08-11 21:28 ` Philip Boulain
2007-08-11 23:17 ` Anthony Liguori
2007-08-13 5:34 ` Jorge Lucángeli Obes
2007-08-13 5:34 ` Jorge Lucángeli Obes
[not found] ` <59abf66e0708122234u6fe7a27bwa08f92252951879a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-08-13 15:15 ` Anthony Liguori
2007-08-13 15:15 ` [kvm-devel] " Anthony Liguori
2007-08-11 19:49 ` Anthony Liguori
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