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* check that guest is 64 bit guest, otherwise the SVM related fields in the smm state area are not defined * If the SMM area indicates that SMM interrupted a running guest, check that EFER.SVME which is also saved in this area is set, otherwise the guest might have tampered with SMM save area, and so indicate emulation failure which should triple fault the guest. * Check that that guest CPUID supports SVM (due to the same issue as above) Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20200827162720.278690-4-mlevitsk@redhat.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.