This patch series ensures that a valid MMIO SPTE mask can be generated under SVM when memory encryption is enabled. The patchset includes: - Add an optional callback to return a reserved bit(s) mask - Implement the callback in SVM --- Patches based on https://git.kernel.org/pub/scm/virt/kvm/kvm.git next commit: 7d73710d9ca2 ("kvm: vmx: Stop wasting a page for guest_msrs") Tom Lendacky (2): KVM: x86/mmu: Allow for overriding MMIO SPTE mask KVM: SVM: Implement reserved bit callback to set MMIO SPTE mask arch/x86/include/asm/kvm_host.h | 4 ++- arch/x86/kvm/mmu/mmu.c | 54 +++++++++++++++++++++------------ arch/x86/kvm/svm.c | 42 +++++++++++++++++++++++++ arch/x86/kvm/x86.c | 2 +- 4 files changed, 80 insertions(+), 22 deletions(-) -- 2.17.1
