Re: patch to shift memory allocations to usb_alloc_urb()
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 2 Jul 2007, Oliver Neukum wrote: > > Currently the number of interrupts per transfer is larger than 1. Of > > course we can change that, but should we? On small systems, saving a > > little CPU time by using a lot more memory is not a win. > > It is the current design goal. The sg code requests an interrupt only for > the last element of the scatter list. That may be what it requests, but it isn't what it gets. > > We don't need bottom halves. Just remove the guarantee that interrupts > > will be disabled. > > OK, very well. How shall we split the audit load? I volunteer for > drivers/usb/serial Well, I have too many other things doing to work on it just now. Let's stick it on a to-do list and come back to it later. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel