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4a4c459872Qinglin Pan <panqinglin00@gmail.com> says: Svnapot is a RISC-V extension for marking contiguous 4K pages as a non-4K page. This patch set is for using Svnapot in hugetlb fs and huge vmap. This patchset adds a Kconfig item for using Svnapot in "Platform type"->"SVNAPOT extension support". Its default value is on, and people can set it off if they don't allow kernel to detect Svnapot hardware support and leverage it. Tested on: - qemu rv64 with "Svnapot support" off and svnapot=true. - qemu rv64 with "Svnapot support" on and svnapot=true. - qemu rv64 with "Svnapot support" off and svnapot=false. - qemu rv64 with "Svnapot support" on and svnapot=false. * b4-shazam-merge: riscv: mm: support Svnapot in huge vmap riscv: mm: support Svnapot in hugetlb page riscv: mm: modify pte format for Svnapot Link: https://lore.kernel.org/r/20230209131647.17245-1-panqinglin00@gmail.com [Palmer: fix up the feature ordering in the merge] Signed-off-by: Palmer Dabbelt <palmer@rivosinc.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.