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Guilherme Giacomo Simoes
69eadd6a05
KASAN_TAG_WIDTH is 8 bits for both (HW_TAGS and SW_TAGS), but for HW_TAGS the KASAN_TAG_WIDTH can be 4 bits bits because due to the design of the MTE the memory words for storing metadata only need 4 bits. Change the preprocessor define KASAN_TAG_WIDTH for check if SW_TAGS is define, so KASAN_TAG_WIDTH should be 8 bits, but if HW_TAGS is define, so KASAN_TAG_WIDTH should be 4 bits to save a few flags bits. Link: https://lkml.kernel.org/r/20250428201409.5482-1-trintaeoitogc@gmail.com Signed-off-by: Guilherme Giacomo Simoes <trintaeoitogc@gmail.com> Suggested-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com> Cc: Pasha Tatashin <pasha.tatashin@soleen.com> Cc: Suren Baghdasaryan <surenb@google.com> 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.