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

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Message-ID: <1269852814.12097.167.camel@laptop>
Date:	Mon, 29 Mar 2010 10:53:34 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"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, 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

On Mon, 2010-03-29 at 09:39 +0800, Lai Jiangshan wrote:
> 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.
> 

Tejun has patches for this.

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