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Date: Thu, 29 Jan 2015 15:13:01 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: linux-kernel@vger.kernel.org, Dmitry Vyukov <dvyukov@google.com>,
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        Dave Hansen <dave.hansen@intel.com>, Andi Kleen <andi@firstfloor.org>,
        x86@kernel.org, linux-mm@kvack.org, Arnd Bergmann <arnd@arndb.de>,
        linux-arch@vger.kernel.org (open list:GENERIC INCLUDE/A...)
Subject: Re: [PATCH v10 15/17] kernel: add support for .init_array.*
 constructors
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On Thu, 29 Jan 2015 18:11:59 +0300 Andrey Ryabinin <a.ryabinin@samsung.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.