On Tue, 2006-03-14 at 13:46 +0100, Oliver Endriss wrote: > It will break the av7110 driver. OK, so I will send another patch to revert that part to Mauro. > How could setting the buffer ptr to 0 increase performance? > Usually it will save a single wrap of the buffer. Yes, if the data starts at 0 that's one copy_to_user() vs. two when reading the buffer. The start of the buffer is page aligned, and proper alignment is IMHO required for fast copy operations. Regards, Andreas _______________________________________________ linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
