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2024-05-27Documentation/core-api: correct reference to SWIOTLB_DYNAMICLukas Bulwahn
Commit c93f261dfc39 ("Documentation/core-api: add swiotlb documentation") accidentally refers to CONFIG_DYNAMIC_SWIOTLB in one place, while the config is actually called CONFIG_SWIOTLB_DYNAMIC. Correct the reference to the intended config option. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com> Reviewed-by: Petr Tesarik <petr@tesarici.cz> Signed-off-by: Christoph Hellwig <hch@lst.de>
2024-05-02Documentation/core-api: add swiotlb documentationMichael Kelley
There's currently no documentation for the swiotlb. Add documentation describing usage scenarios, the key APIs, and implementation details. Group the new documentation with other DMA-related documentation. Signed-off-by: Michael Kelley <mhklinux@outlook.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Petr Tesarik <petr@tesarici.cz> Signed-off-by: Christoph Hellwig <hch@lst.de>