Thread (9 messages) 9 messages, 3 authors, 2018-03-12

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

From: Alexander Duyck <hidden>
Date: 2018-03-12 16:01:58
Also in: kvm, linux-nvme, linux-pci, lkml

On Mon, Mar 12, 2018 at 12:59 AM, Christoph Hellwig [off-list ref] wrote:
On Sun, Mar 11, 2018 at 09:59:09PM -0600, Alex Williamson wrote:
quoted
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.
I can drop the "unmanaged" bits if that is what is wanted, but based
on previous conversations I thought there was some concern about the
kernel loading VFs when there was some foreign entity managing the VFs
other than the kernel.

Thanks.

- Alex
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