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Extensions prefixed with "Su" won't corrupt the workaround in many cases. The only exception is when the first multi-letter extension in the ISA string begins with "Su" and is not prefixed with an underscore. For instance, following ISA string can confuse this QEMU workaround. * "rv64imacsuclic" (RV64I + M + A + C + "Suclic") However, this case is very unlikely because extensions prefixed by either "Z", "Sm" or "Ss" will most likely precede first. For instance, the "Suclic" extension (draft as of now) will be placed after related "Smclic" and "Ssclic" extensions. It's also highly likely that other unprivileged extensions like "Zba" will precede. It's also possible to suppress the issue in the QEMU workaround with an underscore. Following ISA string won't confuse the QEMU workaround. * "rv64imac_suclic" (RV64I + M + A + C + delimited "Suclic") This fix is to tell kernel developers the nature of this workaround precisely. There are some "Su*" extensions to be ratified but don't worry about this workaround too much. This commit comes with other minor editorial fixes (for minor wording and spacing issues, without changing the meaning). Signed-off-by: Tsukasa OI <research_trasio@irq.a4lg.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/8a127608cf6194a6d288289f2520bd1744b81437.1690350252.git.research_trasio@irq.a4lg.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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.