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ffe68b2d19
For some of the fields in the ID_AA64PFR1_EL1 register, KVM doesn't know how to handle them right now. So explicitly disable them in the register accessor, then those fields value will be masked to 0 even if on the hardware the field value is 1. This is safe because from a UAPI point of view that read_sanitised_ftr_reg() doesn't yet return a nonzero value for any of those fields. This will benifit the migration if the host and VM have different values when restoring a VM. Those fields include RNDR_trap, NMI, MTE_frac, GCS, THE, MTEX, DF2, PFAR. Signed-off-by: Shaoqin Huang <shahuang@redhat.com> Link: https://lore.kernel.org/r/20240723072004.1470688-2-shahuang@redhat.com 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.