netdev - Re: [PATCH] MAINTAINERS: XDP: restrict N: and K:

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Date:   Fri, 10 Jul 2020 09:00:46 -0700
From:   Joe Perches <joe@...ches.com>
To:     Daniel Borkmann <daniel@...earbox.net>,
        "Alexander A. Klimov" <grandmaster@...klimov.de>, ast@...nel.org,
        davem@...emloft.net, kuba@...nel.org, hawk@...nel.org,
        john.fastabend@...il.com, mchehab+huawei@...nel.org,
        robh@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH] MAINTAINERS: XDP: restrict N: and K:

On Fri, 2020-07-10 at 17:14 +0200, Daniel Borkmann wrote:
> On 7/10/20 8:17 AM, Alexander A. Klimov wrote:
> > Am 09.07.20 um 22:37 schrieb Daniel Borkmann:
> > > On 7/9/20 9:42 PM, Alexander A. Klimov wrote:
> > > > Rationale:
> > > > Documentation/arm/ixp4xx.rst contains "xdp" as part of "ixdp465"
> > > > which has nothing to do with XDP.
[]
> > > > diff --git a/MAINTAINERS b/MAINTAINERS
[]
> > > > @@ -18708,8 +18708,8 @@ F:    include/trace/events/xdp.h
> > > >   F:    kernel/bpf/cpumap.c
> > > >   F:    kernel/bpf/devmap.c
> > > >   F:    net/core/xdp.c
> > > > -N:    xdp
> > > > -K:    xdp
> > > > +N:    (?:\b|_)xdp(?:\b|_)
> > > > +K:    (?:\b|_)xdp(?:\b|_)
> > > 
> > > Please also include \W to generally match on non-alphanumeric char given you
> > > explicitly want to avoid [a-z0-9] around the term xdp.
> > Aren't \W, ^ and $ already covered by \b?
> 
> Ah, true; it says '\b really means (?:(?<=\w)(?!\w)|(?<!\w)(?=\w))', so all good.
> In case this goes via net or net-next tree:

This N: pattern does not match files like:

	samples/bpf/xdp1_kern.c

and does match files like:

	drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

Should it?