[Devel] Re: [PATCH RESEND 2/2] Fix some kallsyms_lookup() vs rmmod races

[Andrew Morton]

On Fri, 16 Mar 2007 17:16:39 +0000 Paulo Marques <pmarques at grupopie.com> wrote:

> Does freeze_processes() / unfreeze_processes() solve this by only 
> freezing processes that have voluntarily scheduled (opposed to just 
> being preempted)?

It goes much much further than that.  Those processes need to actually
perform an explicit call to try_to_freeze().