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From: Arjan van de Ven <arjan@linux.intel.com>
To: Kees Cook <keescook@chromium.org>,
	Hector Marco-Gisbert <hecmargi@upv.es>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	Ismael Ripoll Ripoll <iripoll@upv.es>,
	Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH] x86: Enable full randomization on i386 and X86_32.
Date: Thu, 10 Mar 2016 12:53:58 -0800	[thread overview]
Message-ID: <56E1DEE6.5040306@linux.intel.com> (raw)
In-Reply-To: <CAGXu5jJRVrMxgO0G2BjU2Ks=Pa1RcG3LidqXPe9zb-V1LbQv4g@mail.gmail.com>

> Arjan, or other folks, can you remember why x86_32 disabled mmap
> randomization here? There doesn't seem to be a good reason for it that
> I see.

for unlimited stack it got really messy with threaded apps.

anyway, I don't mind seeing if this will indeed work, with time running out
where 32 bit is going extinct... in a few years we just won't have enough
testing on this kind of change anymore.

  reply	other threads:[~2016-03-10 20:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-10 19:51 [PATCH] x86: Enable full randomization on i386 and X86_32 Hector Marco-Gisbert
2016-03-10 20:23 ` Kees Cook
2016-03-10 20:53   ` Arjan van de Ven [this message]
2016-03-10 21:05     ` Kees Cook
2016-03-11  8:53       ` Ingo Molnar
2016-03-11 16:19         ` Kees Cook
2016-03-11  8:51 ` Ingo Molnar
2016-03-12 15:15 ` [tip:x86/mm] x86/mm/32: " tip-bot for Hector Marco-Gisbert

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