On Fri, Aug 26, 2005 at 09:37:36AM +1000, Benjamin Herrenschmidt was heard to remark: > On Fri, 2005-08-26 at 09:18 +1000, Paul Mackerras wrote: > > Benjamin Herrenschmidt writes: > > > > > Ok, so what is the problem then ? Why do we have to wait at all ? Why > > > not just unplug/replug right away ? > > > > We'd have to be absolutely certain that the driver could not possibly > > take another interrupt or try to access the device on behalf of the > > old instance of the device by the time it returned from the remove > > function. I'm not sure I'd trust most drivers that far... > > Hrm... If a driver gets that wrong, then it will also blow up when > unloaded as a module.
:) We've discovered two, so far, that blow up when unloaded: lpfc and e1000. I beleive these are now fixed in mainline. --linas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/