On Mon, May 9, 2016 at 10:30 AM, Brett Peckinpaugh <b...@erylflynn.com> wrote:
> Alex, > > I am running the Arch VFIO kernel from aur and the ACS patch is working > for my Skylake system. Will I not need the ACS patch with 4.7 or will I get > a performance increase? > The change provides isolation, it doesn't affect performance. Whether it helps your situation or not depends on where your assigned devices are installed. If they are installed to PCH-based root ports, then yes, the ACS override will no longer be necessary. If they are installed to processor based root ports then it will make no difference whatsoever to your configuration... other than you may want to consider reinstalling the card in a PCH slot.
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