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a6ea1142de
The x86 instruction decoder is used for both kernel instructions and user space instructions (e.g. uprobes, perf tools Intel PT), so it is good to update it with new instructions. Add the following instructions to the x86 instruction decoder test: User Interrupt clui senduipi stui testui uiret Prediction history reset hreset Serialize instruction execution serialize TSX suspend load address tracking xresldtrk xsusldtrk A subsequent patch adds the instructions to the instruction decoder. Reference: Intel Architecture Instruction Set Extensions and Future Features Programming Reference May 2021 Document Number: 319433-044 Example: $ perf test -v "x86 instruction decoder" |& grep -i hreset Failed to decode length (4 vs expected 6): f3 0f 3a f0 c0 00 hreset $0x0 Failed to decode length (4 vs expected 6): f3 0f 3a f0 c0 00 hreset $0x0 Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/20211202095029.2165714-4-adrian.hunter@intel.com |
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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.