[libvirt] [PATCH v2 1/4] news: Support for kvm dedicated performance hint in 5.7

Han Han hhan at redhat.com
Fri Dec 6 02:51:26 UTC 2019


On Thu, Dec 5, 2019 at 6:31 PM Andrea Bolognani <abologna at redhat.com> wrote:

> On Mon, 2019-11-11 at 09:58 +0800, Han Han wrote:
> > +      <change>
> > +        <summary>
> > +          qemu: Support kvm-hint-dedicated performance hint
> > +        </summary>
> > +        <description>
> > +          With <code><hint-dedicated
> state='on'/></code> and
> > +          <code><cpu mode='host-passthrough'/></code>,
> it
>
> No need to use "'", a simple "'" will work just fine.
>
> > +          allows a guest to enable optimizations when running on
> dedicated
> > +          vCPUs. Qemu over <code>2.12</code> and kernel over
> <code>4.17</code>
>
> s/Qemu/QEMU/
>
> and the minimum version is 2.12.1 according to cb12c59dac04.
>
> Feature introduced version in commit msg cb12c59dac04 of  is not correct
here.
Check that in qemu code, for the commit be7773268d target-i386: add
KVM_HINTS_DEDICATED performance hint
# git tag --contains=be7773268d|sort -n |head -n2
s
v2.12.0

So the minimum version is v2.12.0 not v2.12.1

Fix it at
https://www.redhat.com/archives/libvir-list/2019-December/msg00319.html

>
> With the nits mentioned above addressed,
>
>   Reviewed-by: Andrea Bolognani <abologna at redhat.com>
>
> --
> Andrea Bolognani / Red Hat / Virtualization
>
>

-- 
Best regards,
-----------------------------------
Han Han
Quality Engineer
Redhat.

Email: hhan at redhat.com
Phone: +861065339333
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