Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options

[Paolo Bonzini]

On 07/05/2018 07:37, Markus Armbruster wrote:
>> I'm not that sure anymore about -no-kvm.  It can come in handy for
>> distros (*cough* RHEL *cough) that only ship a qemu-kvm binary with
>> default accelerator "-machine accel=kvm:tcg".
>>
>> Yeah, "-accel tcg" is only a few characters later, but it is a
>> relatively recent addition.
>
> 2012 is "relatively recent" in the alternate RHEL universe, perhaps :)

Well, that's for "-machine accel=tcg" which is quite a mouthful.

"-accel tcg" was added in 2.9, about a year ago (commit 8d4e9146b3,
"tcg: add options for enabling MTTCG", 2017-02-24).

Paolo

> 
> Author: Jan Kiszka <address@hidden>
> Date:   Fri Oct 5 14:51:45 2012 -0300
> 
>     Emulate qemu-kvms -no-kvm option
>     
>     Releases of qemu-kvm will be interrupted at qemu 1.3.0.
>     Users should switch to plain qemu releases.
>     To avoid breaking scenarios which are setup with command line
>     options specific to qemu-kvm, port these switches from qemu-kvm
>     to qemu.git.
>     
>     Port -no-kvm option.
>     
>     Signed-off-by: Marcelo Tosatti <address@hidden>