On Tue, Mar 3, 2026 at 9:55 PM John Stultz <[email protected]> wrote: > > On Tue, Mar 3, 2026 at 4:34 AM Albert Esteve <[email protected]> wrote: > > > > This patch introduces a new heap driver to expose DT non‑reusable > > "shared-dma-pool" coherent regions as dma-buf heaps, so userspace can > > allocate buffers from each reserved, named region. > > Just a nit here: Might be good to provide some higher level context as > to why this is wanted, and what it enables. > > Also, "shared-dma-pool" is also used for CMA regions, so it might be > unclear initially how this is different from the CMA heap (you do > mention non-reusable, but that's a prettty subtle detail).
Sure, I will expand this for the next revision and try to clarify the points you mentioned here (and add these points to the relevant patch). BR, Albert > > Might be good to add some of the rationale to the patch adding the > heap implementation as well so it makes it into the git history. > > thanks > -john >
