linux-kernel - Re: [PATCHv3 00/10] SVM: virtual NMI

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Message-ID: <0d272ca4-a96c-9ee0-47b0-9434687b8dc9@amd.com>
Date:   Mon, 27 Feb 2023 10:17:10 +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: [PATCHv3 00/10] SVM: virtual NMI



On 2/27/2023 9:23 AM, Santosh Shukla wrote:
> v2:
> https://lore.kernel.org/all/0f56e139-4c7f-5220-a4a2-99f87f45fd83@amd.com/
> 
> v3:

Pl. ignore this series, I missed out sending one additional patch in this series..
"0001-KVM-nSVM-Don-t-sync-vmcb02-V_IRQ-back-to-vmcb12-if-K.patch"
which was part of v2 review comment.. will send v4 right-away. Sorry for the noise!.,

Thanks,
Santosh

>  - 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).
> 
> 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)
> 
> 
> 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 (5):
>   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          |  73 +++++++++++++-
>  arch/x86/kvm/svm/svm.c             | 152 +++++++++++++++++++++++------
>  arch/x86/kvm/svm/svm.h             |  28 ++++++
>  arch/x86/kvm/x86.c                 |  46 +++++++--
>  8 files changed, 279 insertions(+), 43 deletions(-)
>