netdev - Re: [PATCH] PCI: Update ACS quirk for more Intel 10G NICs

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Date:   Fri, 4 Aug 2017 14:47:10 -0700
From:   Roland Dreier <roland@...nel.org>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Emil Tantilov <emil.s.tantilov@...el.com>
Subject: Re: [PATCH] PCI: Update ACS quirk for more Intel 10G NICs

> I think the conclusion is that a hard-wired ACS capability is a
> positive indication of isolation for a multifunction device, the code
> is intended to support this and appears to do so, and Roland was going
> to investigate the sightings that inspired this patch in more detail.
> Dropping for now is appropriate.  Thanks,

That's right.  I confirmed that the issue we found was due to another PCI quirk.

It may make sense to add more 82599 variants to the table, but the X540 and X550
work without a quirk.

Sorry for the noise.

 - R.