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a0860d68a2
When stuffing the allowed secondary execution controls for nested VMX in response to CPUID updates, don't set the allowed-1 bit for a feature that isn't supported by KVM, i.e. isn't allowed by the canonical vmcs_config. WARN if KVM attempts to manipulate a feature that isn't supported. All features that are currently stuffed are always advertised to L1 for nested VMX if they are supported in KVM's base configuration, and no additional features should ever be added to the CPUID-induced stuffing (updating VMX MSRs in response to CPUID updates is a long-standing KVM flaw that is slowly being fixed). Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20221213062306.667649-3-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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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 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.