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The hypercall in hv_mark_gpa_visibility() is invoked with an input argument and an output argument. The output argument ostensibly returns the number of pages that were processed. But in fact, the hypercall does not provide any output, so the output argument is spurious. The spurious argument is harmless because Hyper-V ignores it, but in the interest of correctness and to avoid the potential for future problems, remove it. Signed-off-by: Michael Kelley <mhklinux@outlook.com> Reviewed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com> Link: https://lore.kernel.org/r/20250226200612.2062-2-mhklinux@outlook.com Signed-off-by: Wei Liu <wei.liu@kernel.org> Message-ID: <20250226200612.2062-2-mhklinux@outlook.com>
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.