linux-kernel - Re: [RFC PATCH 3/4] rculist.h: Fix parentheses around macro pointer parameter use

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Date:   Fri, 5 May 2023 11:02:14 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Josh Triplett <josh@...htriplett.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Zqiang <qiang1.zhang@...el.com>, rcu@...r.kernel.org
Subject: Re: [RFC PATCH 3/4] rculist.h: Fix parentheses around macro pointer
 parameter use

On Fri, 5 May 2023 10:35:39 -0400
Joel Fernandes <joel@...lfernandes.org> wrote:

> >> Yeah it is not clear why anyone would ever want to use it like this.
> >> Why don't they just pass t1 to list_for_each_entry_rcu() ? I would
> >> rather it break them and they re-think their code ;).  
> > 
> > Remember interfaces should not be enforcing policy unless it's key to the
> > way the interface works.  
> 
> Oh yeah, 100% agree. I am not particularly against this particular patch
> but I also dont see it as solving any problem. Feel free to Ack the patch
> if you feel strongly about wanting it.

I agree that this isn't solving any real bugs, but it is a legitimate
cleanup.

And as someone that tends to push interfaces to their limits, I would
likely be the one that hits it ;-)

Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>

-- Steve