Am Samstag, 31. März 2007 04:59 schrieb Alan Stern: > There still remains the question of how to do this cleanly. Obviously > some sort of synchronization primitive is needed. wait_for_completion() > includes all the necessary memory barriers, whereas wait_event() does not. > Or a spinlock could be used, although it would be somewhat awkward.
wait_event() is very bad in that regard. I'd even call it broken. It should include memory barriers. Regards Oliver ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel