linux-kernel - Re: [PATCH] move __attribute__((__cold__)) functions back into final .text section

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Date:	Fri, 20 Jun 2008 11:06:17 +0200
From:	Lukas Lipavsky <llipavsky@...e.cz>
To:	Jan Beulich <jbeulich@...ell.com>
Cc:	sam@...nborg.org, stable@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] move __attribute__((__cold__)) functions back into
	final .text section

Jan Beulich píše v St 18. 06. 2008 v 12:36 +0100:
> Due to the addition of __attribute__((__cold__)) to a few symbols
> without adjusting the linker scripts, those symbols currently may end
> up outside the [_stext,_etext) range, as they get placed in
> .text.unlikely by (at least) gcc 4.3.0. This may confuse code not only
> outside of the kernel, symbol_put_addr()'s BUG() could also trigger.
> Hence we need to add .text.unlikely (and for future uses of
> __attribute__((__hot__)) also .text.hot) to the TEXT_TEXT() macro.
> Cc: Lukas Lipavsky <llipavsky@...e.cz>
> Signed-off-by: Jan Beulich <jbeulich@...ell.com>

Tested-by: Lukas Lipavsky <llipavsky@...e.cz>


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