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564279ff6f
We currently have some RAZ fields described explicitly in our arm64_ftr_bits arrays. These are inconsistently commented, grouped, and/or applied, and maintaining these is error-prone. Luckily, we don't need these at all. We'll never need to inspect RAZ fields to determine feature support, and init_cpu_ftr_reg() will ensure that any bits without a corresponding arm64_ftr_bits entry are treated as RES0 with strict matching requirements. In check_update_ftr_reg() we'll then compare these bits from the relevant cpuinfo_arm64 structures, and need not store them in a arm64_ftr_reg. This patch removes the unnecessary arm64_ftr_bits entries for RES0 bits. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.