linux-kernel - Re: [PATCHv4 00/11] SVM: virtual NMI

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Message-ID: <7b763dae-e6c9-c269-2675-907430bbf21c@amd.com>
Date:   Fri, 10 Mar 2023 14:49:43 +0530
From:   Santosh Shukla <santosh.shukla@....com>
To:     kvm@...r.kernel.org, seanjc@...gle.com
Cc:     pbonzini@...hat.com, jmattson@...gle.com, joro@...tes.org,
        linux-kernel@...r.kernel.org, mail@...iej.szmigiero.name,
        mlevitsk@...hat.com, thomas.lendacky@....com, vkuznets@...hat.com
Subject: Re: [PATCHv4 00/11] SVM: virtual NMI



On 2/27/2023 2:10 PM, Santosh Shukla wrote:
> 
> v2:
> https://lore.kernel.org/all/0f56e139-4c7f-5220-a4a2-99f87f45fd83@amd.com/
> 
> v3:
> https://lore.kernel.org/all/20230227035400.1498-1-santosh.shukla@amd.com/
>  - 09/11: Clubbed x86_ops delayed NMI with vNMI changes into one,
>    for better readability purpose (Sean Suggestion)
>  - Series includes suggestion and fixes proposed in v2 series.
>    Refer each patch for change history(v2-->v3).
> 
> v4:
>  - Missed sending 01/11 patch in v3.
> 
> Series based on [1] and tested on AMD EPYC-Genoa.
> 
> 
> APM: ((Ch-15.21.10 - NMI Virtualization)
> https://www.amd.com/en/support/tech-docs/amd64-architecture-programmers-manual-volumes-1-5
> 
> Past history and work refer v5-
> https://lkml.org/lkml/2022/10/27/261
> 
> Thanks,
> Santosh
> [1] https://github.com/kvm-x86/linux branch kvm-x86/next(62ef199250cd46f)
> 
> 

Gentle Ping?

Thanks,
Santosh


> 
> Maxim Levitsky (2):
>   KVM: nSVM: Raise event on nested VM exit if L1 doesn't intercept IRQs
>   KVM: SVM: add wrappers to enable/disable IRET interception
> 
> Santosh Shukla (6):
>   KVM: nSVM: Don't sync vmcb02 V_IRQ back to vmcb12 if KVM (L0) is
>     intercepting VINTR
>   KVM: nSVM: Disable intercept of VINTR if saved RFLAG.IF is 0
>   x86/cpu: Add CPUID feature bit for VNMI
>   KVM: SVM: Add VNMI bit definition
>   KVM: x86: add support for delayed virtual NMI injection interface
>   KVM: nSVM: implement support for nested VNMI
> 
> Sean Christopherson (3):
>   KVM: x86: Raise an event request when processing NMIs if an NMI is
>     pending
>   KVM: x86: Tweak the code and comment related to handling concurrent
>     NMIs
>   KVM: x86: Save/restore all NMIs when multiple NMIs are pending
> 
>  arch/x86/include/asm/cpufeatures.h |   1 +
>  arch/x86/include/asm/kvm-x86-ops.h |   2 +
>  arch/x86/include/asm/kvm_host.h    |  11 ++-
>  arch/x86/include/asm/svm.h         |   9 ++
>  arch/x86/kvm/svm/nested.c          |  94 +++++++++++++++---
>  arch/x86/kvm/svm/svm.c             | 152 +++++++++++++++++++++++------
>  arch/x86/kvm/svm/svm.h             |  28 ++++++
>  arch/x86/kvm/x86.c                 |  46 +++++++--
>  8 files changed, 289 insertions(+), 54 deletions(-)
>