linux-kernel - Re: [pci PATCH v4 1/4] pci-iov: Add support for unmanaged SR-IOV

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Message-ID: <20180312075907.GA5342@lst.de>
Date:   Mon, 12 Mar 2018 08:59:07 +0100
From:   Christoph Hellwig <hch@....de>
To:     Alex Williamson <alex.williamson@...hat.com>
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,
        dwmw2@...radead.org, hch@....de, dwmw@...zon.co.uk
Subject: Re: [pci PATCH v4 1/4] pci-iov: Add support for unmanaged SR-IOV

On Sun, Mar 11, 2018 at 09:59:09PM -0600, Alex Williamson wrote:
> I still struggle to understand why we need this "unmanaged"
> complication and how a user of the sysfs API is expected to have any
> idea whether a PF is managed or unmanaged and why they should care.
> Can't we just have a pci_simple_sriov_configure() helper and ignore
> this unmanaged business?  Thanks,

Just a pci_simple_sriov_configure is exactly what I envisioned originally.