linux-kernel - Re: [PATCH] x86/syscalls: Mark expected switch fall-throughs

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Message-ID: <20171128190032.2b1fa464@alans-desktop>
Date:   Tue, 28 Nov 2017 19:00:32 +0000
From:   Alan Cox <gnomes@...rguk.ukuu.org.uk>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] x86/syscalls: Mark expected switch fall-throughs

> I have no idea who came up with that brilliant idea of parsing comments in
> the code. It's so simple to make this parser completely fail that it's not

Stephen Johnson (author of the V7 portable C compiler), which is where
it's from (the lint tool). He also wrote yacc so he does know a bit about
parsers 8).

> even funny anymore.

The notation in question has been standard in tools like lint since the
end of the 1970s

Alan