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8578e4512d
Document that AVIC is inhibited if any vCPU's APIC ID diverges from its vCPU ID, i.e. that there's no need to check for a destination match in the AVIC kick fast path. Opportunistically tweak comments to remove "guest bug", as that suggests KVM is punting on error handling, which is not the case. Targeting a non-existent vCPU or no vCPUs _may_ be a guest software bug, but whether or not it's a guest bug is irrelevant. Such behavior is architecturally legal and thus needs to faithfully emulated by KVM (and it is). Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20230106011306.85230-16-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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.