Messages in this thread | | | Subject | Re: [Patch -mm 0/3] RFC: module unloading vs. release function | From | Rusty Russell <> | Date | Tue, 17 Apr 2007 12:55:17 +1000 |
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On Tue, 2007-04-17 at 00:44 +0400, Alexey Dobriyan wrote: > On Mon, Apr 16, 2007 at 03:38:52PM -0400, Alan Stern wrote: > > 3. Change the module code so that rmmod can return _before_ the > > module is actually unloaded from memory (but after the module's > > exit routine has completed). This will lead to more problems. > > For example, what if someone tries to modprobe my_module back > > again before it has finished unloading? > > This problem (or its absence) must be already in tree: module_mutex is > dropped for the duration of ->exit() function, so init_module(2) could > load new old module meanwhile.
Only if you give it a different name when loading it the second time.
Rusty.
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