From: Andrew Morton <akpm@linux-foundation•org>
To: Kees Cook <keescook@chromium•org>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
"x86@kernel•org" <x86@kernel•org>,
Hector Marco Gisbert <hecmargi@upv•es>,
LKML <linux-kernel@vger•kernel.org>,
"linux-arm-kernel@lists•infradead.org\"
<linux-arm-kernel@lists•infradead.org>,
Linux MIPS Mailing List <linux-mips@linux-mips•org>,
linuxppc-dev@lists.ozlabs.org"@localhost.localdomain,
Ingo Molnar <mingo@kernel•org>, ismael Ripoll <iripoll@upv•es>
Subject: Re: [PATCH] Fix offset2lib issue for x86*, ARM*, PowerPC and MIPS
Date: Thu, 26 Feb 2015 16:06:41 -0800 [thread overview]
Message-ID: <20150226160641.547657c397ecfee078779217@linux-foundation.org> (raw)
In-Reply-To: <CAGXu5jK0YbyL+Z=YrCfkfGbYz6=65Rr_MAXLwrF36gJa2Ce4_w@mail.gmail.com>
On Thu, 26 Feb 2015 15:37:37 -0800 Kees Cook <keescook@chromium•org> wrote:
> Agh, no, please let's avoid the CONFIG addition.
That is precisely how we do this.
> Hector mentioned in private mail that he was looking at an alternative
> that adds exec_base to struct mm which would avoid all this insanity.
>
> Can't we do something like:
>
> #ifndef mmap_rnd
> # define mmap_rnd 0
> #endif
Sure, and sprinkle
#define mmap_rnd mmap_rnd
in five arch header files where nobody thinks to look.
For better or for worse, we are consolidating such things into arch/*/Kconfig.
next prev parent reply other threads:[~2015-02-27 0:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <54EB735F.5030207@upv.es>
2015-02-23 19:34 ` [PATCH] Fix offset2lib issue for x86*, ARM*, PowerPC and MIPS Kees Cook
2015-02-23 19:54 ` Hector Marco Gisbert
2015-02-24 7:39 ` Ingo Molnar
2015-02-26 22:38 ` Andrew Morton
2015-02-26 22:43 ` David Daney
2015-02-26 23:00 ` Russell King - ARM Linux
2015-02-26 23:05 ` Andrew Morton
2015-02-26 23:03 ` Andrew Morton
2015-02-26 23:21 ` Stephen Rothwell
2015-02-26 23:34 ` Andrew Morton
[not found] ` <CAGXu5jK0YbyL+Z=YrCfkfGbYz6=65Rr_MAXLwrF36gJa2Ce4_w@mail.gmail.com>
2015-02-27 0:06 ` Andrew Morton [this message]
[not found] ` <CAGXu5j+3D7FrAJNLHTgEuK5wnOmUZG13xxi6eONuWiY2zKCMqQ@mail.gmail.com>
2015-02-27 0:20 ` Kees Cook
2015-02-26 23:26 ` Stephen Rothwell
2015-02-26 23:34 ` Kees Cook
2015-02-26 23:39 ` Andrew Morton
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