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SubjectRe: [PATCH] MAINTAINERS: XDP: restrict N: and K:
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Joe Perches <joe@perches.com> writes:

> On Fri, 2020-07-10 at 20:18 +0200, Alexander A. Klimov wrote:
>>
>> Am 10.07.20 um 18:12 schrieb Toke Høiland-Jørgensen:
>> > Joe Perches <joe@perches.com> 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?
>> In *your* opinion: Which of these shall it (not) match?
>
> Dunno, but it doesn't match these files.
> The first 5 are good, the rest probably should.

Yup, I agree, all but the first 5 should be matched...

-Toke

> $ git ls-files | grep xdp | grep -v -P '(?:\b|_)xdp(?:\b|_)'
> Documentation/hwmon/xdpe12284.rst
> arch/arm/mach-ixp4xx/ixdp425-pci.c
> arch/arm/mach-ixp4xx/ixdp425-setup.c
> arch/arm/mach-ixp4xx/ixdpg425-pci.c
> drivers/hwmon/pmbus/xdpe12284.c
> samples/bpf/xdp1_kern.c
> samples/bpf/xdp1_user.c
> samples/bpf/xdp2_kern.c
> samples/bpf/xdp2skb_meta.sh
> samples/bpf/xdp2skb_meta_kern.c
> samples/bpf/xdpsock.h
> samples/bpf/xdpsock_kern.c
> samples/bpf/xdpsock_user.c
> tools/testing/selftests/bpf/progs/xdping_kern.c
> tools/testing/selftests/bpf/test_xdping.sh
> tools/testing/selftests/bpf/xdping.c
> tools/testing/selftests/bpf/xdping.h

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