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7f242982e4
The 'cpu_hwcaps' and 'boot_capabilities' bitmaps are bitmaps have the same enumerated bits, but are named wildly differently for no good reason. The terms 'hwcaps' and 'capabilities' have become ambiguous over time (e.g. due to clashes with ELF hwcaps and the structures used to manage feature detection), and it would be nicer to use 'cpucaps', matching the <asm/cpucaps.h> header the enumerated bit indices are defined in. While this isn't a functional problem, it makes the code harder than necessary to understand, and hard to extend with related functionality (e.g. per-cpu cpucap bitmaps). To that end, this patch renames `boot_capabilities` to `boot_cpucaps` and `cpu_hwcaps` to `system_cpucaps`. This more clearly indicates the relationship between the two and aligns with terminology used elsewhere in our feature management code. This change was scripted with: | find . -type f -name '*.[chS]' -print0 | \ | xargs -0 sed -i 's/\<boot_capabilities\>/boot_cpucaps/' | find . -type f -name '*.[chS]' -print0 | \ | xargs -0 sed -i 's/\<cpu_hwcaps\>/system_cpucaps/' ... and the instance of "cpu_hwcap" (without a trailing "s") in <asm/mmu_context.h> corrected manually to "system_cpucaps". Subsequent patches will adjust the naming of related functions to better align with the `cpucap` naming. There should be no functional change as a result of this patch; this is purely a renaming exercise. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Mark Brown <broonie@kernel.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20230607164846.3967305-2-mark.rutland@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.