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Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line opt
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option |
Date: |
Mon, 25 Jul 2011 10:41:56 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sat, Jul 23, 2011 at 12:38:37PM +0200, Jan Kiszka wrote:
> From: Jan Kiszka <address@hidden>
>
> -machine somehow suggests that it selects the machine, but it doesn't.
> Fix that before this command is set in stone.
>
> Actually, -machine should supersede -M and allow to introduce arbitrary
> per-machine options to the command line. That will change the internal
> realization again, but we will be able to keep the user interface
> stable.
This breaks libguestfs which was doing:
qemu -machine accel=kvm:tcg ...
We are not passing any -M option at all. We don't particularly care
about the machine type since we're not that performance sensitive and
we don't need to serialize the machine state.
I have checked, and this works:
qemu -machine pc,accel=kvm:tcg ...
"pc" is the default, right? What about for other architectures?
Please add qemu capabilities, so we can reasonably detect what an
unknown qemu binary supports and so we don't need to do endless
parsing of the -help output and guesswork.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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- [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Jan Kiszka, 2011/07/23
- [Qemu-devel] [RESEND][PATCH 2/2] Deprecate -M command line options, Jan Kiszka, 2011/07/23
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Anthony Liguori, 2011/07/23
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option,
Richard W.M. Jones <=
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Jan Kiszka, 2011/07/25
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Richard W.M. Jones, 2011/07/25
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Jan Kiszka, 2011/07/25
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Markus Armbruster, 2011/07/25
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Jan Kiszka, 2011/07/25
- [Qemu-devel] [PATCH] Allow to leave type on default in -machine, Jan Kiszka, 2011/07/25
- Re: [Qemu-devel] [PATCH] Allow to leave type on default in -machine, Richard W.M. Jones, 2011/07/25
- Re: [Qemu-devel] [PATCH] Allow to leave type on default in -machine, Alexander Graf, 2011/07/25
- Re: [Qemu-devel] [PATCH] Allow to leave type on default in -machine, Anthony Liguori, 2011/07/29
- Re: [Qemu-devel] [RESEND][PATCH v3] Generalize -machine command line option, Anthony Liguori, 2011/07/25