Subject: Re: [PATCH] MAINTAINERS: XDP: restrict N: and K:

From: Toke Høiland-Jørgensen <[email-masked]>
Date: Fri, 10 Jul 2020 18:12:00 +0200

Joe Perches <[email-masked]> writes:

> 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?

I think the idea is that it should match both?

-Toke