linux-kernel - Re: [PATCH 2/2] Rewrite jump_label.c to use binary search

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Message-ID: <589c3dd38437c80704d8224523efbccc.squirrel@www.firstfloor.org>
Date:	Wed, 22 Sep 2010 14:04:57 +0200
From:	"Andi Kleen" <andi@...stfloor.org>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Mathieu Desnoyers" <mathieu.desnoyers@...ymtl.ca>,
	"Andi Kleen" <andi@...stfloor.org>, jbaron@...hat.com,
	rusty@...tcorp.co.au, rostedt@...dmis.com,
	linux-kernel@...r.kernel.org, mingo@...e.hu, hpa@...or.com,
	tglx@...utronix.de, roland@...hat.com, rth@...hat.com,
	mhiramat@...hat.com, fweisbec@...il.com, avi@...hat.com,
	davem@...emloft.net, vgoyal@...hat.com, sam@...nborg.org,
	tony@...eyournoodle.com, "Andi Kleen" <ak@...ux.intel.com>
Subject: Re: [PATCH 2/2] Rewrite jump_label.c to use binary search


>
>>> +	for (; entry < stop && entry->key == key; entry++)
>>> +		if (kernel_text_address(entry->code))
>>
>> This does not work for modules I'm afraid, only for the core kernel. You
>> should test for __module_text_address() somewhere.
>
> I thought it was shared now, but ok.

Double checked. This is ok because kernel_text_address()
already checks for modules. You were probably thinking
of __kernel_text_address()

-Andi

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