linux-kernel - Re: [PATCH v4 6/9] vsprintf: Factor out %pV handler as va

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Message-ID: <a96f9d11a31e403b0042990d17199c6bbe2667d6.camel@perches.com>
Date:   Mon, 09 Apr 2018 04:59:43 -0700
From:   Joe Perches <joe@...ches.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        "Tobin C . Harding" <me@...in.cc>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.cz>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 6/9] vsprintf: Factor out %pV handler as va_format()

On Mon, 2018-04-09 at 13:44 +0200, Petr Mladek wrote:
> What exactly is wrong?

I doubt the need.
Adding complexity doesn't seem useful.

> What you would suggest instead?

A static analysis on the source code instead
of runtime checking.

Perhaps a gcc plugin to validate extension to
pointer type or an external tool to do the same.