Re: [vfio-users] Differences between AMD and Intel passthrough support

2017-11-19 Thread taii...@gmx.com
On 11/19/2017 07:34 AM, Zycorax Tokoroa wrote: The issue that might have been referred to is a now (in linux 4.12 or 4.13) fixed bug that appeared on Ryzen while using KVM and vfio. Enabling or disabling nested paging in the KVM module lead to a deteriorated performance of either the GPU or the

[vfio-users] Differences between AMD and Intel passthrough support

2017-11-18 Thread Brian Yglesias
I'm looking into a new platform, and while researching Ryzen's compatibility with vt-d, I came across at least two forum posts wherein the author mentioned that passthru was not as well supported on AMD platforms as on Intel. In both cases the author did not elaborate, nor did they appear to be