linux-kernel - Re: [PATCH] locktorture: Fix assignment of boolean variables

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Message-ID: <alpine.DEB.2.20.1812031016330.7942@hadrien>
Date:   Mon, 3 Dec 2018 10:20:42 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Peter Zijlstra <peterz@...radead.org>
cc:     "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Wen Yang <wen.yang99@....com.cn>,
        Davidlohr Bueso <dave@...olabs.net>,
        Josh Triplett <josh@...htriplett.org>,
        linux-kernel@...r.kernel.org, zhong.weidong@....com.cn,
        mingo@...hat.com, will.deacon@....com, Julia.Lawall@...6.fr
Subject: Re: [PATCH] locktorture: Fix assignment of boolean variables



On Mon, 3 Dec 2018, Peter Zijlstra wrote:

> On Mon, Dec 03, 2018 at 09:35:00AM +0100, Peter Zijlstra wrote:
> > On Sat, Dec 01, 2018 at 12:37:01PM -0800, Paul E. McKenney wrote:
> > > On Sat, Dec 01, 2018 at 04:31:49PM +0800, Wen Yang wrote:
> > > > Fix the following warnings reported by coccinelle:
> > > >
> > > > kernel/locking/locktorture.c:703:6-10: WARNING: Assignment of bool to 0/1
>
> Not to mention that WARN is gramatically incorrect. We're not assigning
> 'bool' to 0/1 but the other way around.
>
> What crap..
>
> > So I strongly disagree with this. Anybody that has trouble with 0/1 vs
> > false/true needs to stay the heck away from C.
> >
> > I would suggest we delete that stupid coccinelle scripts that generates
> > these pointless warns.

Personally, I would prefer that assignments involving boolean variables
use true or false.  It seems more readable.  Potentially better for tools
as well.  But if the community really prefers 0 and 1, then the test can
be deleted.

julia