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fc4dafe87b
Though undocumented, KVM generally protects the translation of a vLPI with the its_lock. While this makes perfectly good sense, as the ITS itself contains the guest translation, an upcoming change will require twiddling the vLPI mapping in an atomic context. Switch to using the vIRQ's irq_lock to protect the translation. Use of the its_lock in vgic_v4_unset_forwarding() is preserved for now as it still needs to walk the ITS. Tested-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20250523194722.4066715-3-oliver.upton@linux.dev Signed-off-by: Marc Zyngier <maz@kernel.org> |
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| ipc | ||
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| README | ||
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.