KVM: SVM: Set the encryption mask for the SVM host save area
The SVM host save area is used to restore some host state on VMEXIT of an
SEV-ES guest. After allocating the save area, clear it and add the
encryption mask to the SVM host save area physical address that is
programmed into the VM_HSAVE_PA MSR.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <
b77aa28af6d7f1a0cb545959e08d6dc75e0c3cba.
1607620209.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>