[vfio-users] Gpu passthrough poor performance.

rndbit rndbit at sysret.net
Thu Nov 12 11:01:15 UTC 2015


Good to know. I was trying all the random things in the past to get
performance up and so it stuck. Thanks.

On 2015.11.11 20:04, Blank Field wrote:
>
>
> On Nov 11, 2015 6:32 PM, "rndbit" <rndbit at sysret.net
> <mailto:rndbit at sysret.net>> wrote:
> >
> > Try these:
> >>
> >> ~ % cat /etc/modprobe.d/kvm.conf
> >> options vfio_iommu_type1 allow_unsafe_interrupts=1
> >> options kvm              ignore_msrs=1
> >> options kvm-amd          npt=0
> >
>
> allow_unsafe_interrupts should only be used when you are told so in dmesg.
>

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