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Date:   Tue, 13 Mar 2018 08:45:19 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Alexander Duyck <alexander.duyck@...il.com>, bhelgaas@...gle.com,
        alexander.h.duyck@...el.com, linux-pci@...r.kernel.org,
        virtio-dev@...ts.oasis-open.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, dan.daly@...el.com,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        keith.busch@...el.com, netanel@...zon.com, mheyne@...zon.de,
        liang-min.wang@...el.com, mark.d.rustad@...el.com
Subject: Re: [pci PATCH v5 3/4] ena: Migrate over to unmanaged SR-IOV
 support



On Tue, 2018-03-13 at 09:16 +0100, Christoph Hellwig wrote:
> On Tue, Mar 13, 2018 at 08:12:52AM +0000, David Woodhouse wrote:
> > 
> > I'd also *really* like to see a way to enable this for PFs which don't
> > have (and don't need) a driver. We seem to have lost that along the
> > way.
> We've been forth and back on that.  I agree that not having any driver
> just seems dangerous.  If your PF really does nothing we should just
> have a trivial pf_stub driver that does nothing but wiring up
> pci_sriov_configure_simple.  We can then add PCI IDs to it either
> statically, or using the dynamic ids mechanism.

Or just add it to the existing pci-stub. What's the point in having a
new driver? 
Download attachment "smime.p7s" of type "application/x-pkcs7-signature" (5213 bytes)

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