Linux 7.4 Introduces DMA-BUF Support To I/O Path With IO_uring
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Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
Linux 7.4's merge window has brought in infrastructure that lets DMA-BUF buffers, shared hardware memory commonly used by GPU, media, and network drivers, be used directly in the kernel's io_uring I/O path without CPU copies.