Re: [RFC PATCH 0/2] KVM: MSR-based features

[Tom Lendacky <thomas.lendacky@amd.com>]

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(-)
>