[vfio-users] cpu core pinning with multiple cpus

Eddie Yen missile0407 at gmail.com
Fri Oct 2 16:12:32 UTC 2015


Thanks for sharing!

I noticed that it had kvm=off and hv_vendor inside the value.
If I got kvm=off, can I also delete this?

<kvm>
   <hidden state='on'/>
</kvm>

And, hv_vendor=<GPU vendor> or <CPU vendor> ?

2015-10-03 0:05 GMT+08:00 Alex Williamson <alex.l.williamson at gmail.com>:

> On Wed, Sep 30, 2015 at 11:21 AM, Erik Adler <erik.adler at gmail.com> wrote:
>
>> Thx Alex for looking into this. Tera is huge. No small effort there.
>> Unfortunately you are probably right about the time source. Generally
>> I don't play online games but you can bet I'll (and half the Internet)
>> be playing Star Citizen when it comes out. Just surpassed $90 million
>> in crowd founding 0.o. In the long run something needs to be done this
>> time issue.
>>
>> Is it possible to install an “enlightened” time source into Windows?
>> Sort of like virtio? Nvidea says it is “just a bug” so they should not
>> mind...even if it is ie polymorphic ;)
>>
>> Any recommendations on what I can do in the mean time with my GTX970 ?
>
>
> http://www.spinics.net/lists/kvm/msg121742.html
>
> Obviously there's no libvirt support for this since I just posted the QEMU
> patch, but if you put this in your xml, it should work with hyperv paravirt
> features enabled (building a new QEMU with the above patch is obviously
> required):
>
> <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0
> '>
> ...
>   <qemu:commandline>
>     <qemu:arg value='-cpu'/>
>     <qemu:arg
> value='host,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff,kvm=off,hv_vendor_id='/>
>   </qemu:commandline>
> </domain>
>
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