linux-kernel - Re: [PATCH 12/17] gpio/samsung: mark const init data with __initconst instead of _

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Message-ID: <CACRpkdZ7WPeT+rO-GLJvQ--fgdCG1ytwNAtvEq1g=b=5QxPvjQ@mail.gmail.com>
Date:	Tue, 3 Apr 2012 22:29:35 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	kernel@...gutronix.de, Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: Re: [PATCH 12/17] gpio/samsung: mark const init data with __initconst
 instead of __initdata

2012/3/29 Uwe Kleine-König <u.kleine-koenig@...gutronix.de>:

> As long as there is no other non-const variable marked __initdata in the
> same compilation unit it doesn't hurt. If there were one however
> compilation would fail with
>
>        error: $variablename causes a section type conflict
>
> because a section containing const variables is marked read only and so
> cannot contain non-const variables.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Cc: Linus Walleij <linus.walleij@...ricsson.com>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Thanks,
Linus Walleij
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