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Re: [Qemu-devel] [PATCH] add --accel option
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH] add --accel option |
Date: |
Wed, 29 Jul 2009 17:46:56 +0200 |
User-agent: |
Thunderbird 2.0.0.21 (X11/20090320) |
Glauber Costa schrieb:
> On Wed, Jul 29, 2009 at 10:16:28AM +0200, Kevin Wolf wrote:
>> Glauber Costa schrieb:
>>> Since libvirt dudes seem to prefer it, add a --accel option. For now,
>>> it only does the same as --enable-kvm, but it can easily be extended
>>> in the future. It also accepts "none" and "kqemu" options.
>> The documentation should include which values are valid for the option.
>> Guessing that the syntax is -accel kvm is probably possible, but for
>> -accel kqemu,mode=kernel it's definitely hard.
> right now kqemu needs an extra argument.
>
> But very soon kvm will need it too. Like for example controlling knobs
> like kvm-irqchip and kvm-pit. So maybe we want a standard way of passing
> arguments for all accels?
>
> How about --accel foo,args=bar,bar,bar with the args part being optional ?
>
> An exampel would be --accel kvm,args=userpit,userirqchip (assuming we want the
> default to be in the kernel)
Why not the usual -accel kvm,userpit=on and so on? When having such
parameters you probably should be using QemuOpts/qemu-option in the end
anyway.
But actually I was just arguing that the parameters need to be
documented, whatever they look like.
Kevin