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33b2217245
Clean up some of the patching of kvm_x86_ops, by moving kvm_x86_ops related to nested virtualization into a separate struct. As a result, these ops will always be non-NULL on VMX. This is not a problem: * check_nested_events is only called if is_guest_mode(vcpu) returns true * get_nested_state treats VMXOFF state the same as nested being disabled * set_nested_state fails if you attempt to set nested state while nesting is disabled * nested_enable_evmcs could already be called on a CPU without VMX enabled in CPUID. * nested_get_evmcs_version was fixed in the previous patch 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.