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c13aebfeee
Kernel mode NEON sections are now preemptible on arm64, and so there is no need to yield it when calling APIs that may sleep. Also, move the calls to kernel_neon_end() to the same scope as kernel_neon_begin(). This is needed for a subsequent change where a stack buffer is allocated transparently and passed to kernel_neon_begin(). While at it, simplify the logic. Reviewed-by: Eric Biggers <ebiggers@kernel.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Ard Biesheuvel <ardb@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 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.