From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH 0/5] split ET_DYN ASLR from mmap ASLR
Date: Fri, 27 Feb 2015 07:19:49 +0100
Message-ID: <20150227061949.GA25810@gmail.com>
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Cc: akpm@linux-foundation.org, Russell King <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux390@de.ibm.com, x86@kernel.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Oleg Nesterov <oleg@redhat.com>,
	Andy Lutomirski <luto@amacapital.net>,
	"David A. Long" <dave.long@linaro.org>,
	Andrey Ryabinin <a.ryabinin@samsung.com>,
	Arun Chandran <achandran@mvista.com>,
	Yann Droneaud <ydroneaud@opteya.com>,
	Min-Hua Chen <orca.chen@gmail.com>,
	Paul Burton <paul.burton@imgtec.com>,
	Alex Smith <alex@alex-smith.me.uk>,
	Markos Chandras <markos.chandras@imgtec.com>,
	Vineeth Vijayan
To: Kees Cook <keescook@chromium.org>
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* Kees Cook <keescook@chromium.org> wrote:

> This separates ET_DYN ASLR from mmap ASLR, as already 
> done on s390. The various architectures that are already 
> randomizing mmap (arm, arm64, mips, powerpc, s390, and 
> x86), have their various forms of arch_mmap_rnd() made 
> available via the new CONFIG_ARCH_HAS_ELF_RANDOMIZE. For 
> these architectures, arch_randomize_brk() is collapsed as 
> well.
> 
> This is an alternative to the solutions in: 
> https://lkml.org/lkml/2015/2/23/442

Nice!

Acked-by: Ingo Molnar <mingo@kernel.org>

Thanks,

	Ingo