linux-kernel - Re: cpu_init is called during resume

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Message-ID: <44F7764A.7060707@goop.org>
Date:	Thu, 31 Aug 2006 16:52:42 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Pavel Machek <pavel@....cz>
CC:	Andrew Morton <akpm@...l.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: cpu_init is called during resume

Pavel Machek wrote:
> We are doing virtual cpu hotplug/unplug... actually suspend to RAM
> *and* disk. Just try it :-).
>   

Yes, I know, but if you're replugging a CPU it should already have a GDT 
allocated, so the kmalloc() won't be called in the resume case.  So if 
there's a problem, it can only be on the resume-from-disk path, on the 
assumption that that secondary CPU hasn't already been brought up.

    J
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