linux-kernel - Re: [PATCH v2 4/4] kernel: add support for init

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Message-ID: <20130906180751.GD25882@merlin.infradead.org>
Date:	Fri, 6 Sep 2013 14:07:51 -0400
From:	Kyle McMartin <kyle@...radead.org>
To:	Frantisek Hrbata <fhrbata@...hat.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, jstancek@...hat.com,
	keescook@...omium.org, peter.oberparleiter@...ibm.com,
	linux-arch@...r.kernel.org, arnd@...db.de, mgahagan@...hat.com,
	agospoda@...hat.com, akpm@...ux-foundation.org
Subject: Re: [PATCH v2 4/4] kernel: add support for init_array constructors

On Fri, Sep 06, 2013 at 07:51:18PM +0200, Frantisek Hrbata wrote:
> > > v2: - reuse mod->ctors for .init_array section for modules, because gcc uses
> > >       .ctors or .init_array, but not both at the same time
> > >
> > > Signed-off-by: Frantisek Hrbata <fhrbata@...hat.com>
> > 
> > Might be nice to document which gcc version changed this, so people can
> > choose whether to cherry-pick this change?
> 
> Thank you for pointing this out. As per gcc git this was introduced by commit
> ef1da80 and released in 4.7 version.
> 
> $ git describe --contains ef1da80
> gcc-4_7_0-release~4358
> 
> Do you want me to post v3 with this info included in the descrition?
> 

It actually depends on the combination of binutils/ld and gcc you use, not
simply which gcc version you use. :/

--Kyle
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