On Wed, Jul 20, 2016 at 08:39:43PM +0100, Chris Wilson wrote: > When performing driver testing, one factor we want to test is how we > handle a foreign fence that is never signaled. We can wait on that fence > indefinitely, in which case the driver appears hung, or we can take some > remedial action (with risks regarding the state of any shared content). > Whatever the action choosen by the driver, in order to perform the test > we want to disable the safety feature of vgem fence (which is then used > to test implicit dma-buf fencing). This is regarded as a highly > dangerous feature and so hidden behind an expert config option and only > available to root when enabled. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Ping. This is invaluable for my testing (some tests are impossible without it). The only comment was by Kristian asking why this should be root-only which nicely contrasts the earlier *demand* that this should be root-only and removed from the default set of vgem capabilities. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
