On 04/14/2011 02:11 AM, Ingo Molnar wrote: > > I'd strongly suggest we revert back to the old and proven allocation order, > as > long as it results in valid layouts. Even if we figure out this particular > GART/GTT assumption there might be a dozen others in other types of hardware. >
Yes, but we might also be hiding a real bug which bites other hardware. We have found real and very serious bugs in the kernel this way before -- things where drivers scribble over random memory and allocation order exposed the failure in a predictable way, as opposed to random crashes. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel