On Wed, Feb 12, 2025 at 09:49:56AM +0000, Florent Tomasin wrote: > Note that the CMA patches were initially shared to help reproduce my > environment of development, I can isolate them in a separate patch > series and include a reference or "base-commit:" tag to it in the > Panthor protected mode RFC, to help progress this review in another > thread. It will avoid overlapping these two topics: > > - Multiple standalone CMA heaps support > - Panthor protected mode handling You keep insisting on using CMA here, but it's really not clear to me why you would need CMA in the first place. By CMA, do you mean the CMA allocator, and thus would provide buffers through the usual dma_alloc_* API, or would any allocator providing physically contiguous memory work? In the latter case, would something like this work: https://lore.kernel.org/all/20240515-dma-buf-ecc-heap-v1-1-54cbbd049511@xxxxxxxxxx/ Maxime
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