Messages in this thread | | | From | Tom Lendacky <> | Subject | [PATCH v1 0/2] MMIO mask fix for AMD memory encryption support | Date | Wed, 18 Dec 2019 13:45:45 -0600 |
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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
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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
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