The memory fill operation (0x04) can fill in memory with either 8 bytes or 16 bytes of pattern. To fill in memory with 16 bytes of pattern, the first 8 bytes are provided in pattern lower in bytes 16-23 and the next 8 bytes are in pattern upper in bytes 40-47 in the descriptor. Currently only 8 bytes of pattern is enabled. Add descriptor definitions for pattern lower and pattern upper so that user can use 16 bytes of pattern to fill memory. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20230303213413.3357431-2-fenghua.yu@intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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.
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