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

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Date:   Wed, 04 Apr 2018 07:26:07 -0700
From:   Joe Perches <joe@...ches.com>
To:     Petr Mladek <pmladek@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     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 Wed, 2018-04-04 at 10:58 +0200, Petr Mladek wrote:
> Move the code from the long pointer() function. We are going to add a check
> for the access to the address that will make it even more complicated.
> 
> This patch does not change the existing behavior.

But it might increase stack consumption.

As the %pV is recursive, this is may not
be a good thing.