>> Well, if we are supposed to flush the CPU write buffer, then yes. > >mb() doesn't do that?
mb() is a lot more expensive, and I'm not completely sure how it behaves regarding main memory accessed by UniNorth via AGP. It works for SMP barriers, but knowing how buggy UniNorth can be with AGP, I prefer the safe way. Ben. _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
