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Guodong Xu 5bfaf4fa3d riscv: cpufeature: Fix Zk bundled extension missing Zknh [ Upstream commit `8632180daf` ] The Zk extension is a bundle consisting of Zkn, Zkr, and Zkt. The Zkn extension itself is a bundle consisting of Zbkb, Zbkc, Zbkx, Zknd, Zkne, and Zknh. The current implementation of riscv_zk_bundled_exts manually listed the dependencies but missed RISCV_ISA_EXT_ZKNH. Fix this by introducing a RISCV_ISA_EXT_ZKN macro that lists the Zkn components and using it in both riscv_zk_bundled_exts and riscv_zkn_bundled_exts. This adds the missing Zknh extension to Zk and reduces code duplication. Fixes: `0d8295ed97` ("riscv: add ISA extension parsing for scalar crypto") Link: https://patch.msgid.link/20231114141256.126749-4-cleger@rivosinc.com/ Signed-off-by: Guodong Xu <guodong@riscstar.com> Reviewed-by: Clément Léger <cleger@rivosinc.com> Link: https://patch.msgid.link/20251223-zk-missing-zknh-v1-1-b627c990ee1a@riscstar.com Signed-off-by: Paul Walmsley <pjw@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2026-01-17 16:35:25 +01:00
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README

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 reStructuredText 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.