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22be8e6b13
Patch series "xz: Updates to license, filters, and compression options", v2. XZ Embedded, the upstream project, switched from public domain to the BSD Zero Clause License (0BSD). Now matching SPDX license identifiers can be added. Documentation was revised. Fix syntax errors in kernel-doc comments in <linux/xz.h>. The xz_dec API docs from <linux/xz.h> are now included in Documentation/staging/xz.rst. The new ARM64 and RISC-V filters can be used for kernel decompression if CONFIG_EFI_ZBOOT=y. The filters can be used by Squashfs too. (Userspace Squashfs-tools already had the ARM64 filter support committed but it was reverted due to backdoor fears. I try to get ARM64 and RISC-V filter support added to Squashfs-tools somewhat soon.) Account for the default threading change made in the xz command line tool version 5.6.0. Tweak kernel compression options for archs that support XZ compressed kernel. This patch (of 16): I have been the maintainer of the upstream project since I submitted the code to Linux in 2010 but I forgot to add myself to MAINTAINERS. Link: https://lkml.kernel.org/r/20240721133633.47721-1-lasse.collin@tukaani.org Link: https://lkml.kernel.org/r/20240721133633.47721-2-lasse.collin@tukaani.org Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Reviewed-by: Sam James <sam@gentoo.org> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Joel Stanley <joel@jms.id.au> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Jubin Zhong <zhongjubin@huawei.com> Cc: Jules Maselbas <jmaselbas@zdiv.net> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Rui Li <me@lirui.org> Cc: Simon Glass <sjg@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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.