netdev - Re: [pull request][net-next V10 00/14] Add mlx5 subfunction support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKOOJTw_RfYfFunhHKTD6k73FvFObVb5Xx7hK8uPUUGJpuTzuw@mail.gmail.com>
Date:   Mon, 25 Jan 2021 10:35:27 -0800
From:   Edwin Peer <edwin.peer@...adcom.com>
To:     Parav Pandit <parav@...dia.com>
Cc:     Saeed Mahameed <saeed@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        netdev <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Sridhar Samudrala <sridhar.samudrala@...el.com>,
        David Ahern <dsahern@...nel.org>,
        Kiran Patil <kiran.patil@...el.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        "Ertman, David M" <david.m.ertman@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [pull request][net-next V10 00/14] Add mlx5 subfunction support

On Mon, Jan 25, 2021 at 2:57 AM Parav Pandit <parav@...dia.com> wrote:

> > Apologies for the tardy question out of left field, but I've been
> > thinking about this some more. If I recall, the primary motivation for
> > this was a means to effectively address more VFs? But, why can't the
> > device simply expose more bus numbers?
>
> Several weeks back, Jason already answered this VF scaling question from you at discussion [1].
>
> [1] https://lore.kernel.org/netdev/20201216023928.GG552508@nvidia.com/

True, although I didn't really consider the full cost argument at the
time because the core answer was "They can't", however, the fact is,
PCI can.

Regards,
Edwin Peer

Download attachment "smime.p7s" of type "application/pkcs7-signature" (4160 bytes)