On Monday 29 June 2009 14:16:13 Piotr Zięcik wrote: > Look for bus_dmamap_sync() sync description, last sentence: > <cite> > If read and write operations are not preceded and followed by the > appropriate synchronization operations, behavior is undefined. > </cite>
I don't think this is a problem. I do flush read buffers before using them, and invalidate them afterwards. Write buffers only get flushed once. --HPS _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
