Re: [PATCH v2 00/11] SVM: vNMI (with my fixes)

[Santosh Shukla]

On 11/30/2022 1:07 AM, Maxim Levitsky wrote:
> Hi!
> 
> 
> 
> This is the vNMI patch series based on Santosh Shukla's vNMI patch series.
> 
> 
> 
> In this version of this patch series I addressed most of the review feedback
> 
> added some more refactoring and also I think fixed the issue with migration.
> 
> 
> 
> I only tested this on a machine which doesn't have vNMI, so this does need
> 
> some testing to ensure that nothing is broken.
> 
> 
> 
> Best regards,
> 
>        Maxim Levitsky
> 
> 
Series tested on EPYC-v4.
Tested-By: Santosh Shukla <Santosh.Shukla@xxxxxxx>

> 
> Maxim Levitsky (9):
> 
>   KVM: nSVM: don't sync back tlb_ctl on nested VM exit
> 
>   KVM: nSVM: clean up the copying of V_INTR bits from vmcb02 to vmcb12
> 
>   KVM: nSVM: explicitly raise KVM_REQ_EVENT on nested VM exit if L1
> 
>     doesn't intercept interrupts
> 
>   KVM: SVM: drop the SVM specific H_FLAGS
> 
>   KVM: x86: emulator: stop using raw host flags
> 
>   KVM: SVM: add wrappers to enable/disable IRET interception
> 
>   KVM: x86: add a delayed hardware NMI injection interface
> 
>   KVM: SVM: implement support for vNMI
> 
>   KVM: nSVM: implement support for nested VNMI
> 
> 
> 
> Santosh Shukla (2):
> 
>   x86/cpu: Add CPUID feature bit for VNMI
> 
>   KVM: SVM: Add VNMI bit definition
> 
> 
> 
>  arch/x86/include/asm/cpufeatures.h |   1 +
> 
>  arch/x86/include/asm/kvm-x86-ops.h |   2 +
> 
>  arch/x86/include/asm/kvm_host.h    |  24 +++--
> 
>  arch/x86/include/asm/svm.h         |   7 ++
> 
>  arch/x86/kvm/emulate.c             |  11 +--
> 
>  arch/x86/kvm/kvm_emulate.h         |   7 +-
> 
>  arch/x86/kvm/smm.c                 |   2 -
> 
>  arch/x86/kvm/svm/nested.c          | 102 ++++++++++++++++---
> 
>  arch/x86/kvm/svm/svm.c             | 154 ++++++++++++++++++++++-------
> 
>  arch/x86/kvm/svm/svm.h             |  41 +++++++-
> 
>  arch/x86/kvm/x86.c                 |  50 ++++++++--
> 
>  11 files changed, 318 insertions(+), 83 deletions(-)
> 
> 
>