On Sun, Mar 28, 2004 at 12:38:57PM -0800, Andrew Morton wrote: > Alan Stern <[EMAIL PROTECTED]> wrote: > > > > However, a very noticeable and IMO unacceptable delay occurs when there's > > a reference to a kobject caused by a negative dentry that won't get > > recycled until the system decides it's good and ready. That's the real > > problem I wanted to call to people's attention. > > Have you verified that this actually happens?
Yes, I've verified this, and it looks like Maneesh also agrees with this. > If so, what are its effects? rmmod hangs for half an hour? Cannot reload > the module? Well, before the patch that I submitted for the USB core, we would hang waiting for the release function to return as there was still a reference to the kobject pending. For other subsystems (and USB), this might cause nasty oopses when the kobject is finally released and yet the module has been unloaded already (as the owner of the reference did not cause the module reference count to increment.) This is bad. Maneesh, any thoughts on how to fix this up? thanks, greg k-h ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
