[$] Using dma-bufs for read and write operations
Date:
Tue, 12 May 2026 17:25:31 +0000
Description:
The kernel's dma-buf
subsystem provides a way for drivers to share memory buffers, usually
in order to support efficient device-to-device I/O . At the 2026 Linux Storage,
Filesystem, Memory Management, and BPF Summit , Pavel Begunkov, assisted
by Kanchan Joshi, led a joint session of the storage and memory-management tracks to explore ways to make the use of dma-bufs more efficient yet, and
to make them available for read and write operations initiated by user
space.
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Link to news story:
https://lwn.net/Articles/1072317/
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