Re: [PATCH]generic usb serial driver
Oliver Neukum <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Organization | Novell |
| Message-ID | <[email protected]> |
Am Freitag, 30. März 2007 21:36 schrieb Pete Zaitcev: > > That's not the issue. The question is not what we USB needs in terms > > of performance. Every time we use a lock we screw anybody caring about > > interrupt latency. The amount of work some drivers do in irq is awful. > > That's true, I suppose. What do you think about bumping some processing > to tasklets? Softirqs are a tried technique, I used it back in 1985. A good idea, but a very large effort. All drivers would have to be audited. And all hcd drivers rewritten. We would have to deal with drivers missing a bottom half. 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 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel