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mm/kasan/kasan.h provides a number of empty defines for a few arch-specific tagging-related routines, in case the architecture code didn't define them. The original idea was to simplify integration in case another architecture starts supporting memory tagging. However, right now, if any of those routines are not provided by an architecture, Hardware Tag-Based KASAN won't work. Drop the empty defines, as it would be better to get compiler errors rather than runtime crashes when adding support for a new architecture. Also drop empty hw_enable_tagging_sync/async/asymm defines for !CONFIG_KASAN_HW_TAGS case, as those are only used in mm/kasan/hw_tags.c. Link: https://lkml.kernel.org/r/bc919c144f8684a7fd9ba70c356ac2a75e775e29.1678491668.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> [arm64] Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Marco Elver <elver@google.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Weizhao Ouyang <ouyangweizhao@zeku.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| .clang-format | ||
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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 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.