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Linus Torvalds
433bcf6737
Pull Xtensa updates from Max Filippov:
- switch xtensa arch to the generic noncoherent direct mapping
operations
- add support for DMA_ATTR_NO_KERNEL_MAPPING attribute
- clean up users of platform/hardware.h in generic Xtensa code
- fix assembly cache maintenance code for long cache lines
- rework noMMU cache attributes initialization
- add big-endian HiFi2 test_kc705_be CPU variant
* tag 'xtensa-20180820' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: add test_kc705_be variant
xtensa: clean up boot-elf/bootstrap.S
xtensa: make bootparam parsing optional
xtensa: drop variant IRQ support
xtensa: drop unneeded platform/hardware.h headers
xtensa: move PLATFORM_NR_IRQS to Kconfig
xtensa: rework {CONFIG,PLATFORM}_DEFAULT_MEM_START
xtensa: drop unused {CONFIG,PLATFORM}_DEFAULT_MEM_SIZE
xtensa: rework noMMU cache attributes initialization
xtensa: increase ranges in ___invalidate_{i,d}cache_all
xtensa: limit offsets in __loop_cache_{all,page}
xtensa: platform-specific handling of coherent memory
xtensa: support DMA_ATTR_NO_KERNEL_MAPPING attribute
xtensa: use generic dma_noncoherent_ops
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.
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.