linux-kernel - Re: [PATCH] kernel/cpu.c: Move the CPU

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Date:	Sat, 6 Sep 2008 18:49:49 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Manfred Spraul <manfred@...orfullife.com>
Cc:	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] kernel/cpu.c: Move the CPU_DYING notifiers


* Manfred Spraul <manfred@...orfullife.com> wrote:

> -	raw_notifier_call_chain(&cpu_chain, CPU_DYING | param->mod,
> -				param->hcpu);
>  	/* Ensure this CPU doesn't handle any more interrupts. */
>  	err = __cpu_disable();
>  	if (err < 0)
>  		return err;
>  
> +	raw_notifier_call_chain(&cpu_chain, CPU_DYING | param->mod,
> +				param->hcpu);

hm, doesnt this break things like CPU cross-calls done in CPU_DYING 
callbacks?

	Ingo
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