On Wed, Dec 19, 2012 at 04:51:06PM +0000, Chris Wilson wrote: > Avoid clobbering adjacent blocks if they happen to expire earlier and > amalgamate together to form the requested hole. > > In passing this fixes a regression from > commit ea7b1dd44867e9cd6bac67e7c9fc3f128b5b255c > Author: Daniel Vetter <daniel.vetter@xxxxxxxx> > Date: Fri Feb 18 17:59:12 2011 +0100 > > drm: mm: track free areas implicitly > > which swaps the end address for size (with a potential overflow) and > effectively causes the eviction code to clobber almost all earlier > buffers above the evictee. > > v2: Check the original hole not the adjusted as the coloring may confuse > us when later searching for the overlapping nodes. Also make sure that > we do apply the range restriction and color adjustment in the same > order for both scanning, searching and insertion. > > v3: Send the version that was actually tested. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> Picked up for -fixes with bugzilla link and Norberts tested-by added, thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
