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946fbfdf33
Convert stage2_map_walker_try_leaf() to use the new break-before-make helpers, thereby making the handler parallel-aware. As before, avoid the break-before-make if recreating the existing mapping. Additionally, retry execution if another vCPU thread is modifying the same PTE. Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Reviewed-by: Ben Gardon <bgardon@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221107215934.1895478-1-oliver.upton@linux.dev
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.