Re: [Qemu-devel] [PATCH] Deprecate '-enable-kvm' and '-enable-hax' in favour of '-accel'

[Christian Borntraeger]

On 05/02/2017 12:37 PM, Thomas Huth wrote:
> On 02.05.2017 12:32, Christian Borntraeger wrote:
>> On 05/02/2017 12:06 PM, Thomas Huth wrote:
>>> The '-enable-...' option do not make too much sense: They do not
>>> allow additional parameters, using '-accel xxx' is shorter than
>>> '-enable-xxx' and we're also inconsistent here, since there is
>>> no '-enable-xen' option available. So let's try to convince the
>>> users to use '-accel xxx' instead.

FWIW, -enable-kvm ia not shortcut to make things easier, it predates
the accel parameter. Maybe that is the reason why this patch does not
feel right to me.



>>
>> google has 36000 hits for "--enable-kvm" and 18000 hits for "--accel kvm"
>> So I assume this will affect a lot of setups for only a very small benefit.
> 
> I'm aware of the fact that likely a lot of users are still using
> -enable-kvm, and I did not mean that we should remove it soon yet. But
> IMHO we should start now to inform the users that they should slowly
> switch to the better option "-accel" instead, so that we could maybe
> remove this "-enable-xxx" stuff sometime in the distant future (let's
> say QEMU v4.0?).
> 
>  Thomas
>