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Martin Oliveira
e02373fddb
The .map_sg() op now expects an error code instead of zero on failure. Returning an errno from __sbus_iommu_map_sg() results in sbus_iommu_map_sg_gflush() and sbus_iommu_map_sg_pflush() returning an errno, as those functions are wrappers around __sbus_iommu_map_sg(). Signed-off-by: Martin Oliveira <martin.oliveira@eideticom.com> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.