linux-kernel - Re: [PATCH RESEND 2/2] Fix some kallsyms

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Date:	Sat, 17 Mar 2007 21:36:33 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Paulo Marques <pmarques@...popie.com>, Ingo Molnar <mingo@...e.hu>,
	Alexey Dobriyan <adobriyan@...ru>,
	linux-kernel@...r.kernel.org, devel@...nvz.org, tglx@...utronix.de,
	viro@...iv.linux.org.uk, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH RESEND 2/2] Fix some kallsyms_lookup() vs rmmod races

On Fri, 2007-03-16 at 12:49 -0800, Andrew Morton wrote:
> > Ok, I've just done a few tests with the attached patch. It basically 
> > creates a freeze_machine_run function that is equivalent in interface to 
> > stop_machine_run, but uses freeze_processes / thaw_processes to stop the 
> > machine.

I've never been convinced that the freezer was a good idea.
stop_machine is a damn big hammer, but it works.

Rusty.


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