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37c8e49479
Typically a negative return from an exit handler is used to request a return to userspace with the specified error. KVM's handling of SMCCC emulation (i.e. both HVCs and SMCs) deviates from the trend and resumes the guest instead. Stop handling negative returns this way and instead let the error percolate to userspace. Suggested-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20230404154050.2270077-12-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.