linux-kernel - Re: [PATCH rcu 5/5] checkpatch: Complain about unexpected uses of RCU Tasks Trace

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Message-ID: <de2c81f5-70c6-4e81-88b4-d412c58d033e@paulmck-laptop>
Date:   Wed, 19 Jul 2023 12:02:36 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Joel Fernandes <joel@...lfernandes.org>, rcu@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org, Andy Whitcroft <apw@...onical.com>,
        Dwaipayan Ray <dwaipayanray1@...il.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>, bpf@...r.kernel.org
Subject: Re: [PATCH rcu 5/5] checkpatch: Complain about unexpected uses of
 RCU Tasks Trace

On Wed, Jul 19, 2023 at 11:44:17AM -0700, Joe Perches wrote:
> On Wed, 2023-07-19 at 11:27 -0700, Paul E. McKenney wrote:
> []
> > > > > 
> > Given perl's tendency to have corner cases in its corner cases, I
> > am guessing that the "^" character combined with the "/" character is
> > causing trouble here.  Especially given that I don't see any use of such
> > a pattern anywhere in checkpatch.pl except directly in a "~" expression,
> > and there are a lot of those.
> > 
> > So I will keep it as is unless I hear otherwise from Joe Perches.
> 
> I played with it a bit and can't think of anything better.
> 
> Code is always something that can be improved later so the
> way Paul has it now is fine with me.

Then I don't feel so bad not finding anything better myself.

Thank you, and if nothing else this exercise refreshed a few of my
perl neurons.  ;-)

							Thanx, Paul