linux-kernel - Re: [PATCH 1/2] kbuild: Add "Section mismatch" warning whitelist for powerpc

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Message-Id: <20070515205641.babf2ce9.sfr@canb.auug.org.au>
Date:	Tue, 15 May 2007 20:56:41 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"Satyam Sharma" <satyam.sharma@...il.com>
Cc:	"Li Yang-r58472" <LeoLi@...escale.com>,
	Andrew Morton <akpm@...l.org>, Sam Ravnborg <sam@...nborg.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...abs.org, Linus <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 1/2] kbuild: Add "Section mismatch" warning whitelist
 for powerpc

On Tue, 15 May 2007 15:33:50 +0530 "Satyam Sharma" <satyam.sharma@...il.com> wrote:
>
> But I have slightly different (reversed) semantics for __init_refok
> in mind. Basically, we use __init_refok to annotate _callees_
> and not _callers_. In short, __init_refok is a _type_ of __init
> section that other sections can freely reference to, without
> modpost complaining about this. [ had suggested this in some
> previous thread earlier ]

But lots of __init routines cannot be called from just anywhere, it is
the special circumstances of some of the callers that makes the call from
non-init to init ok.  So you need to mark the callers specially.

--
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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