linux-kernel - Re: INFO: task hung in rtnetlink_rcv

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Message-ID: <e049375f676938b5ad64898ac928b27cd783dc2a.camel@perches.com>
Date:   Fri, 22 Feb 2019 12:14:57 -0800
From:   Joe Perches <joe@...ches.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     syzbot <syzbot+8218a8a0ff60c19b8eae@...kaller.appspotmail.com>,
        ast@...nel.org, christian@...uner.io, daniel@...earbox.net,
        davem@...emloft.net, dsahern@...il.com, hawk@...nel.org,
        idosch@...lanox.com, john.fastabend@...il.com, kafai@...com,
        ktkhai@...tuozzo.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, petrm@...lanox.com,
        roopa@...ulusnetworks.com, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, xdp-newbies@...r.kernel.org,
        yhs@...com
Subject: Re: INFO: task hung in rtnetlink_rcv_msg

On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicinski wrote:
> Hi!
> 
> Seems like something funny is going on with get_maintainer.pl since XDP
> entry got added.  We seem to have been CCed on:

I suggest removing the MAINTAINERS line with

	K:	xdp

as xdp is a pretty generic file/patch content
regex match for the K: type

$ git grep --name-only xdp | wc -l
236

Rather more files than desired.

The N: match is dubious too.

It's generally better to have specific lists of
maintained file patterns rather than using the
K: and N: pattern matches.

---
 MAINTAINERS | 1 -
 1 file changed, 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index d7ad97b235ec..aa703e2cb882 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16970,7 +16970,6 @@ F:	include/net/xdp.h
 F:	kernel/bpf/devmap.c
 F:	kernel/bpf/cpumap.c
 F:	include/trace/events/xdp.h
-K:	xdp
 N:	xdp
 
 XDP SOCKETS (AF_XDP)