On Thu, Jan 09, 2014 at 11:00:17AM +0530, [email protected] wrote: > From: Akash Goel <[email protected]> > > The 'offset' field of the 'scatterlist' structure was wrongly > programmed with the offset value from the base of stolen area, > whereas this field indicates the offset from where the interested > data starts within the PAGE pointed to by the 'page-link' field. > As a result when a new GEM object allocated from the stolen > area is mapped to GTT, it could lead to an overwrite of GTT entries > as the page count calculation will go wrong, refer the function > 'sg_page_count'.
This statement is incorrect since my use of sg here predates sg_page_iter. The stolen sg has no page_link, the meaning of offset/length here are relative to the base of the stolen area. However, if you wish to rephrase the above... -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
