On Wed, Mar 11, 2015 at 10:04 PM, Russell King - ARM Linux <li...@arm.linux.org.uk> wrote:
> No, this is wrong. They do not. CMA remaps pages to be non-cacheable > rather than the old technique where the above statement was true. > > There's some corner cases which make that less effective than it once > was, and as I've already said, those need to be fixed. The reason > that these were missed is because all the ARM CMA work bypassed me - > CMA on ARM has had zero review from the point of view of the ARM > architecture, so it's not surprising it gets stuff like this wrong. > > Once that's fixed, setting bit 22 is not necessary. Understood. Thanks for the clarification. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot