On 2/8/2018 4:58 PM, Tom Lendacky wrote: > The following series implements support within KVM for MSR-based features. > The first patch creates the MSR-based feature framework used to initialize > and retrieve the MSR-based features. The second patch adds support that > will allow a guest to determine if the LFENCE instruction is serializing > on AMD processors. > > This series is based on the next branch. >
Paolo, Let me know if this is the direction you were thinking of for MSR-based features. Thanks, Tom > --- > > Tom Lendacky (2): > KVM: x86: Add a framework for supporting MSR-based features > KVM: SVM: Add MSR feature support for serializing LFENCE > > > arch/x86/include/asm/kvm_host.h | 1 > arch/x86/kvm/svm.c | 16 +++++ > arch/x86/kvm/x86.c | 114 > ++++++++++++++++++++++++++++++++++++++- > include/uapi/linux/kvm.h | 1 > 4 files changed, 130 insertions(+), 2 deletions(-) >