linux-kernel - Re: [RFC patch] extable and module add object is static

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Message-ID: <4BB004ED.5060106@cn.fujitsu.com>
Date:	Mon, 29 Mar 2010 09:39:57 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
CC:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, dipankar@...ibm.com,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, adobriyan@...il.com
Subject: Re: [RFC patch] extable and module add object is static

Mathieu Desnoyers wrote:
> +static int core_object_is_static(void *obj)
> +{
[...]
> +	if (addr >= (unsigned long)__per_cpu_start &&
> +	    addr <= (unsigned long)__per_cpu_end)
> +		return 1;

This may only correct for UP.
You may need arch-special codes for SMP.

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