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Per Intel's SDM, volume 3, section Checking and Loading Guest State:
Because the checking and the loading occur concurrently, a failure may
be discovered only after some state has been loaded. For this reason,
the logical processor responds to such failures by loading state from
the host-state area, as it would for a VM exit.
In other words, a failed non-register state consistency check results in
a VM-Exit, not VM-Fail. Moving the non-reg state checks also paves the
way for renaming nested_vmx_check_vmentry_postreqs() to align with the
SDM, i.e. nested_vmx_check_vmentry_guest_state().
Fixes: 26539bd0e4 ("KVM: nVMX: check vmcs12 for valid activity state")
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.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.