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

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Date:   Wed,  1 Feb 2023 19:13:24 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org,
        Maxim Levitsky <mlevitsk@...hat.com>
Cc:     Sandipan Das <sandipan.das@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Borislav Petkov <bp@...en8.de>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        Daniel Sneddon <daniel.sneddon@...ux.intel.com>,
        Jiaxi Chen <jiaxi.chen@...ux.intel.com>,
        Babu Moger <babu.moger@....com>, linux-kernel@...r.kernel.org,
        Jing Liu <jing2.liu@...el.com>,
        Wyes Karny <wyes.karny@....com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v2 00/11] SVM: vNMI (with my fixes)

On Tue, 29 Nov 2022 21:37:06 +0200, Maxim Levitsky wrote:
> 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.
> 
> [...]

Applied 1, 4, and 5 to kvm-x86 svm.  I split patch 4 as doing so made the
HF_GIF_MASK change super trivial.

vNMI support will get pushed beyond v6.3, but I will do my best to promptly
review future versions, while I still have all of this paged in...

[01/11] KVM: nSVM: Don't sync tlb_ctl back to vmcb12 on nested VM-Exit
        https://github.com/kvm-x86/linux/commit/8957cbcfed0a
[04/11] KVM: x86: Move HF_GIF_MASK into "struct vcpu_svm" as "guest_gif"
        https://github.com/kvm-x86/linux/commit/c760e86f27fe
[04/11] KVM: x86: Move HF_NMI_MASK and HF_IRET_MASK into "struct vcpu_svm"
        https://github.com/kvm-x86/linux/commit/916b54a7688b
[05/11] KVM: x86: Use emulator callbacks instead of duplicating "host flags"
        https://github.com/kvm-x86/linux/commit/32e69f232db4

--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes