netdev - Re: [PATCH net-next] MAINTAINERS: Update XDP and AF

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Date:   Thu, 19 Nov 2020 14:16:20 -0800
From:   Joe Perches <joe@...ches.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        Daniel Borkmann <borkmann@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        John Fastabend <john.fastabend@...il.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Björn Töpel <bjorn.topel@...el.com>
Subject: Re: [PATCH net-next] MAINTAINERS: Update XDP and AF_XDP entries

On Thu, 2020-11-19 at 21:50 +0100, Jesper Dangaard Brouer wrote:
> On Thu, 19 Nov 2020 10:02:10 -0800
> Jakub Kicinski <kuba@...nel.org> wrote:
> 
> > On Thu, 19 Nov 2020 18:26:40 +0100 Jesper Dangaard Brouer wrote:
> > > Getting too many false positive matches with current use
> > > of the content regex K: and file regex N: patterns.
> > > 
> > > This patch drops file match N: and makes K: more restricted.
> > > Some more normal F: file wildcards are added.
> > > 
> > > Notice that AF_XDP forgot to some F: files that is also
> > > updated in this patch.
> > > 
> > > Suggested-by: Jakub Kicinski <kuba@...nel.org>
> > > Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>  
> > 
> > Ah! Sorry, I missed that you sent this before replying to Joe.
> > 
> > Would you mind respining with his regex?
> 
> Sure, I just send it... with your adjusted '(\b|_)xdp(\b|_)' regex, as
> it seems to do the same thing (and it works with egrep).

The regexes in MAINTAINERS are perl not egrep and using (\b|_)
creates unnecessary capture groups.

It _really_ should be (?:\b|_)xdp(?:\b|_)