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7ccb84f04c
We require access to this kasan helper in BPF code in the next patch where we have to unpoison the task stack when we unwind and reset the stack frame from bpf_throw, and it never really unpoisons the poisoned stack slots on entry when compiler instrumentation is generated by CONFIG_KASAN_STACK and inline instrumentation is supported. Also, remove the declaration from mm/kasan/kasan.h as we put it in the header file kasan.h. Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Konovalov <andreyknvl@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Suggested-by: Andrey Konovalov <andreyknvl@gmail.com> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com> Link: https://lore.kernel.org/r/20230912233214.1518551-10-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.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 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.