mirror of https://gitee.com/openkylin/linux.git
b02c2b0bfd
Usually dma_supported decisions are done by the dma_map_ops instance. Switch sparc to that model by providing a ->dma_supported instance for sbus that always returns false, and implementations tailored to the sun4u and sun4v cases for sparc64, and leave it unimplemented for PCI on sparc32, which means always supported. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David S. Miller <davem@davemloft.net> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.