Thanks Greg. Appreciate your reply. Regards, Ramesh On Fri, Aug 5, 2011 at 12:06 PM, Greg KH <greg@xxxxxxxxx> wrote: > On Fri, Aug 05, 2011 at 11:39:16AM -0700, Ramesh.P wrote: >> Hi, >> >> Good day! >> >> When a system is rebooted, the loadable kernel modules 'module_exit' >> functions are not called. I see this behavior in a custom kernel. My >> questions are >> >> a. Is this applicable in mainline/normal kernel too? > > Yes. > >> b. If yes, what are the reasons? (One reason may be, not to get into >> new problems while cleaning up the module) > > You don't need to unload a module as the machine is about to be turned > off. > >> c. Is there anyway for the kernel module to know the system is getting >> rebooted? (Apart from letting userspace to indicate the kernel >> module). > > Yes, hook to the reboot notifier. > > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies