linux-kernel - Re: [PATCH 3/3] [v3] lib/vsprintf: debug_never_hash_pointers prints all addresses as unhashed

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Date:   Thu, 11 Feb 2021 12:17:38 -0600
From:   Timur Tabi <timur@...nel.org>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Pavel Machek <pavel@....cz>, Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Matthew Wilcox <willy@...radead.org>,
        akpm@...ux-foundation.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        roman.fietze@...na.com, Kees Cook <keescook@...omium.org>,
        John Ogness <john.ogness@...utronix.de>,
        akinobu.mita@...il.com, glider@...gle.com,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 3/3] [v3] lib/vsprintf: debug_never_hash_pointers prints
 all addresses as unhashed

On 2/11/21 11:23 AM, Petr Mladek wrote:
> There was some pushback against this feature in general.
> It should be used deliberately and people must be aware
> of the consequences. This is why it is only boot option
> and why it prints such a huge warning. The long clear
> name helps as well.

This is my thinking as well.  I wanted it to be a bit obnoxious.