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

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Date:   Thu, 20 Jul 2017 22:50:13 +0000
From:   "Tantilov, Emil S" <emil.s.tantilov@...el.com>
To:     Roland Dreier <roland@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] PCI: Update ACS quirk for more Intel 10G NICs

>-----Original Message-----
>From: Roland Dreier [mailto:roland@...estorage.com] On Behalf Of Roland
>Dreier
>Sent: Thursday, July 20, 2017 2:41 PM
>To: Bjorn Helgaas <bhelgaas@...gle.com>
>Cc: linux-pci@...r.kernel.org; netdev@...r.kernel.org; Tantilov, Emil S
><emil.s.tantilov@...el.com>
>Subject: [PATCH] PCI: Update ACS quirk for more Intel 10G NICs
>
>From: Roland Dreier <roland@...estorage.com>
>
>Add one more variant of the 82599 plus the device IDs for X540 and X550
>variants.  Intel has confirmed that none of these devices does peer-to-peer
>between functions.  The X540 and X550 have added ACS capabilities in their
>PCI config space, but the ACS control register is hard-wired to 0 for both
>devices, so we still need the quirk for IOMMU grouping to allow assignment
>of individual SR-IOV functions.
>
>Signed-off-by: Roland Dreier <roland@...estorage.com>
>---
> drivers/pci/quirks.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)

Acked-by: Emil Tantilov <emil.s.tantilov@...el.com>

Thanks,
Emil