linux-kernel - Re: XDP maintainer match (Was [PATCH v2 0/2] hwmon: (max127) Add Maxim MAX127 hardware monitoring)

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Date:   Thu, 19 Nov 2020 09:09:53 -0800
From:   Joe Perches <joe@...ches.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Tao Ren <rentao.bupt@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Jean Delvare <jdelvare@...e.com>,
        Jonathan Corbet <corbet@....net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        linux-hwmon@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, openbmc@...ts.ozlabs.org, taoren@...com,
        mikechoi@...com
Subject: Re: XDP maintainer match (Was  [PATCH v2 0/2] hwmon: (max127) Add
 Maxim MAX127 hardware monitoring)

On Thu, 2020-11-19 at 17:35 +0100, Jesper Dangaard Brouer wrote:
> On Thu, 19 Nov 2020 07:46:34 -0800 Jakub Kicinski <kuba@...nel.org> wrote:

> I think it is a good idea to change the keyword (K:), but I'm not sure
> this catch what we want, maybe it does.  The pattern match are meant to
> catch drivers containing XDP related bits.
> 
> Previously Joe Perches <joe@...ches.com> suggested this pattern match,
> which I don't fully understand... could you explain Joe?
> 
>   (?:\b|_)xdp(?:\b|_)

This regex matches only:

	xdp
	xdp_<anything>
	<anything>_xdp_<anything>
	<anything>_xdp

> For the filename (N:) regex match, I'm considering if we should remove
> it and list more files explicitly.  I think normal glob * pattern
> works, which should be sufficient.

Lists are generally more specific than regex globs.