linux-kernel - Re: [PATCH v10 15/17] kernel: add support for .init

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Message-Id: <20150129151301.006abdbcf9e0dd136dd6ed2f@linux-foundation.org>
Date:	Thu, 29 Jan 2015 15:13:01 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Andrey Ryabinin <a.ryabinin@...sung.com>
Cc:	linux-kernel@...r.kernel.org, Dmitry Vyukov <dvyukov@...gle.com>,
	Konstantin Serebryany <kcc@...gle.com>,
	Dmitry Chernenkov <dmitryc@...gle.com>,
	Andrey Konovalov <adech.fo@...il.com>,
	Yuri Gribov <tetra2005@...il.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	Christoph Lameter <cl@...ux.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Dave Hansen <dave.hansen@...el.com>,
	Andi Kleen <andi@...stfloor.org>, x86@...nel.org,
	linux-mm@...ck.org, Arnd Bergmann <arnd@...db.de>,
	linux-arch@...r.kernel.org (open list:GENERIC INCLUDE/A...)
Subject: Re: [PATCH v10 15/17] kernel: add support for .init_array.*
 constructors

On Thu, 29 Jan 2015 18:11:59 +0300 Andrey Ryabinin <a.ryabinin@...sung.com> wrote:

> KASan uses constructors for initializing redzones for global
> variables. Actually KASan doesn't need priorities for constructors,
> so they were removed from GCC 5.0, but GCC 4.9.2 still generates
> constructors with priorities.

I don't understand this changelog either.  What's wrong with priorities
and what is the patch doing about it?  More details, please.


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