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99c84311e3
Skip instead of failing when prerequisite conditions aren't fulfilled, such as invalid xstate values etc. Make the tests show as 'SKIP' when run: make -C tools/testing/selftests/ TARGETS=x86 run_tests ... # timeout set to 45 # selftests: x86: amx_64 # # xstate cpuid: invalid tile data size/offset: 0/0 ok 42 selftests: x86: amx_64 # SKIP # timeout set to 45 # selftests: x86: lam_64 # # Unsupported LAM feature! ok 43 selftests: x86: lam_64 # SKIP ... In the AMX test, Move away from check_cpuid_xsave() and start using arch_prctl() to find out if AMX support is present or not. In the kernels where AMX isn't present, arch_prctl() returns -EINVAL, hence it is backward compatible. Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Chang S. Bae <chang.seok.bae@intel.com> Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/r/20240327111720.3509180-1-usama.anjum@collabora.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.