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Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command
From: |
Eric Blake |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing |
Date: |
Fri, 20 Mar 2015 07:56:14 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 03/20/2015 07:49 AM, Max Reitz wrote:
>>>> Disabling probing entirely is a (hamfisted) way to ensure you always
>>>> specify the format.
>>>>
>>
>> I'd appreciate opinions on whether this is wanted for 2.3. If it is,
>> I'll post a version that actually works.
>
> I don't have any objections because it won't break anything. But I guess
> it'll be mostly up to whether Eric thinks that we'll need it right now.
I'm totally in favor of the idea; it has no drawback to users that don't
add it to the command line (so no chance of regression to existing
command lines), and allows users that care to ensure that they are being
secure. And I can argue that this is a bug fix rather than a feature
and therefore appropriate even in freeze (even though the bug has been a
long-standing security hole, rather than a recent regression).
If (a working version of) this makes it in 2.3, libvirt WILL use it in
the next release. It will take me less than 5 minutes to write up the
libvirt patch, as long as the new option is advertised via
query-command-line-options (which means that QMP introspection of the
new option is a must for v2 :)
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-block] [PATCH RFC for-2.3 0/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/20
- [Qemu-block] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/20
- Re: [Qemu-block] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Max Reitz, 2015/03/20
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/20
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Max Reitz, 2015/03/20
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing,
Eric Blake <=
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/20
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Eric Blake, 2015/03/20
- Re: [Qemu-block] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Paolo Bonzini, 2015/03/23
- Re: [Qemu-block] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Eric Blake, 2015/03/23
- Re: [Qemu-block] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Paolo Bonzini, 2015/03/23
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/23
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Paolo Bonzini, 2015/03/24
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Eric Blake, 2015/03/24
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Markus Armbruster, 2015/03/24
- Re: [Qemu-block] [Qemu-devel] [PATCH RFC for-2.3 1/1] block: New command line option --no-format-probing, Paolo Bonzini, 2015/03/24