Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes: > Quoting Mika Kuoppala (2018-04-12 14:52:37) >> Read ordering on cpu can be out of order and speculative. > > If it didn't include a barrier to prevent compiler mispeculation. rmb() > only applies to other CPU cores and not the GPU so this is entirely > hocus. How I understand the Documentation/memory-barrier.txt/THE THINGS CPUS GET UP TO, the compiler memory barrier is not enough. > -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
