| Re: [PATCH] Race between cat /proc/kallsyms and rmmod [message #11166 is a reply to message #11143] |
Wed, 14 March 2007 12:55  |
Paulo Marques
Messages: 7
Registered: March 2007
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Junior Member |
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Alexey Dobriyan wrote:
> Iterating code of /proc/kallsyms calls module_get_kallsym() which grabs
> and drops module_mutex internally and returns "struct module *",
> module is removed, aforementioned "struct module *" is used in non-trivial
> way.
> So, grab module_mutex for entire operation like /proc/modules does.
I would still prefer the other solution to avoid exposing "module_mutex"
outside of module.c like this :(
I'll try to send in a patch today for review.
--
Paulo Marques - www.grupopie.com
"As far as we know, our computer has never had an undetected error."
Weisert
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