22 Sep
2026
22 Sep
'26
1:20 p.m.
On Mon, Sep 21, 2026 at 02:38:50PM +0100, Pavel Begunkov wrote:
Enable BIO_DMABUF_MAP backed requests. On registration we map the
This is now REQ_DMABUF.
Sashiko had a few comments, which I think are correct - if we use dma_map_sg to map the data, we need to use the sync_sg APIs to transfer ownership. That only matters on non-coherent architectures with MMU, but we need to get it right.
And the reset deadlock also looks plausible.