Marc Zyngier cf72ee6371 KVM: arm64: Eagerly save VMCR on exit
We currently save/restore the VMCR register in a pretty lazy way
(on load/put, consistently with what we do with the APRs).

However, we are going to need the group-enable bits that are backed
by VMCR on each entry (so that we can avoid injecting interrupts for
disabled groups).

Move the synchronisation from put to sync, which results in some minor
churn in the nVHE hypercalls to simplify things.

Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://msgid.link/20251120172540.2267180-21-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
2025-11-24 14:29:13 -08:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-10-26 15:59:49 -07:00
2024-03-18 03:36:32 -06:00

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.
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