linux-kernel - Re: cpu_init is called during resume

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Message-ID: <20060902112116.GD1178@elf.ucw.cz>
Date:	Sat, 2 Sep 2006 13:21:16 +0200
From:	Pavel Machek <pavel@....cz>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andrew Morton <akpm@...l.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: cpu_init is called during resume

On Thu 2006-08-31 16:52:42, Jeremy Fitzhardinge wrote:
> 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.

I think gdt is destroyed on cpu unplug, no? I guess I'll have to redo
my testing...

-- 
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