Quoting Chris Wilson (2019-07-18 17:54:06) > Since userspace has the ability to bypass the CPU cache from within its > unprivileged command stream, we have to flush the CPU cache to memory > in order to overwrite the previous contents on creation. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> > Cc: stablevger.kernel.org Makes sense. If there is some platform where this absolutely can't happen and they need optimization, we can special case later. Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
