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add5e2f045
Allocate a page during vCPU creation to be used as the encrypted VM save area (VMSA) for the SEV-ES guest. Provide a flag in the kvm_vcpu_arch structure that indicates whether the guest state is protected. When freeing a VMSA page that has been encrypted, the cache contents must be flushed using the MSR_AMD64_VM_PAGE_FLUSH before freeing the page. [ i386 build warnings ] Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Message-Id: <fde272b17eec804f3b9db18c131262fe074015c5.1607620209.git.thomas.lendacky@amd.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.