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Date: Wed, 30 Sep 2015 22:36:39 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@kernel.org>
cc: Andy Lutomirski <luto@amacapital.net>, Kees Cook <keescook@chromium.org>,
        Dmitry Vyukov <dvyukov@google.com>,
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Subject: Re: [PATCH v2] fs/proc: Don't expose absolute kernel addresses via
 wchan
In-Reply-To: <20150930135917.GA3285@gmail.com>
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On Wed, 30 Sep 2015, Ingo Molnar wrote:
> These days there's very little legitimate reason user-space
> would be interested in  the absolute address. The absolute
> address is mostly historic: from the days when  we didn't have
> kallsyms and user-space procps had to do the decoding itself via
> the System.map.
> 
> So this patch sets all numeric output to 0 and keeps the
> symbolic output in /proc/PID/wchan.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>