Re: [PATCH v4 00/13] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths

Tue, May 12, 2026 at 11:03:55AM +0200, aneesh.kumar@kernel.org wrote:

This series propagates DMA_ATTR_CC_SHARED through the dma-direct,
dma-pool, and swiotlb paths so that encrypted and decrypted DMA buffers
are handled consistently.

Today, the direct DMA path mostly relies on force_dma_unencrypted() for
shared/decrypted buffer handling. This series consolidates the
force_dma_unencrypted() checks in the top-level functions and ensures
that the remaining DMA interfaces use DMA attributes to make the correct
decisions.

FWIW, the patchset in general looks good to me. I tested this with my
system_cc_shared dmabuf flow, works flawlessly.

Thanks!