Messages in this thread | | | Date | Fri, 16 Mar 2007 12:51:54 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH RESEND 2/2] Fix some kallsyms_lookup() vs rmmod races |
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* Alexey Dobriyan <adobriyan@sw.ru> wrote:
> [cc'ing folks whose proc files are affected] > > kallsyms_lookup() can call module_address_lookup() which iterates over > modules list without module_mutex taken. Comment at the top of > module_address_lookup() says it's for oops resolution so races are > irrelevant, but in some cases it's reachable from regular code:
looking at the problem from another angle: wouldnt this be something that would benefit from freeze_processes()/unfreeze_processes(), and hence no locking would be required?
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