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04c5355b2a
The VHE hyp code has recently gained a few ISBs. Simplify this to one unconditional ISB in __kvm_vcpu_run_vhe(), and remove the unnecessary ISB from the kvm_call_hyp_ret() macro. While kvm_call_hyp_ret() is also used to invoke __vgic_v3_get_gic_config(), but no ISB is necessary in that case either. For the moment, an ISB is left in kvm_call_hyp(), as there are many more users, and removing the ISB would require a more thorough audit. Suggested-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Fuad Tabba <tabba@google.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20250617133718.4014181-8-mark.rutland@arm.com Signed-off-by: Marc Zyngier <maz@kernel.org> |
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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.