linux-kernel - Re: [PATCH 1/3] sfc: revert "reduce the number of requested xdp ev queues"

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Message-ID: <CACT4oufpg0RkY3yk1Cs4z=OmK8JjSevAF6=YD02RTyFS+qLcZA@mail.gmail.com>
Date:   Tue, 13 Jul 2021 08:20:14 +0200
From:   Íñigo Huguet <ihuguet@...hat.com>
To:     Edward Cree <ecree.xilinx@...il.com>
Cc:     Jesper Dangaard Brouer <jbrouer@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, ivan@...udflare.com,
        ast@...nel.org, daniel@...earbox.net, hawk@...nel.org,
        john.fastabend@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jesper Brouer <brouer@...hat.com>
Subject: Re: [PATCH 1/3] sfc: revert "reduce the number of requested xdp ev queues"

On Mon, Jul 12, 2021 at 4:53 PM Edward Cree <ecree.xilinx@...il.com> wrote:
> I think the proper solution to this is to get this policy decision out
>  of the kernel, and make the allocation of queues be under the control
>  of userspace.  I recall some discussion a couple of years ago about
>  "making queues a first-class citizen" for the sake of AF_XDP; this
>  seems to be part and parcel of that.
> But I don't know what such an interface would/should look like.

I absolutely agree, or at least standardize it for all drivers via XDP
APIs. Let's see if any good ideas arise in netdevconf.

Anyway, meanwhile we should do something to have it working.
-- 
Íñigo Huguet