linux-kernel - Re: [PATCH kernel v5 0/6] KVM: SEV: Enable AMD SEV-ES DebugSwap

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Message-ID: <6a0cde0a-e1a4-9119-75fd-12b7c921b5f2@amd.com>
Date:   Thu, 20 Apr 2023 11:49:32 +1000
From:   Alexey Kardashevskiy <aik@....com>
To:     kvm@...r.kernel.org
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Tom Lendacky <thomas.lendacky@....com>,
        Sean Christopherson <seanjc@...gle.com>,
        Pankaj Gupta <pankaj.gupta@....com>,
        Nikunj A Dadhania <nikunj@....com>,
        Santosh Shukla <santosh.shukla@....com>,
        Carlos Bilbao <carlos.bilbao@....com>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH kernel v5 0/6] KVM: SEV: Enable AMD SEV-ES DebugSwap

On 11/4/23 22:57, Alexey Kardashevskiy wrote:
> This is to use another AMD SEV-ES hardware assisted register swap,
> more detail in 5/6. In the process it's been suggested to fix other
> things, here is the attempt, with the great help of amders.
> 
> The previous conversation is here:
> https://lore.kernel.org/r/20230203051459.1354589-1-aik@amd.com
> 
> This is based on sha1
> f91f9332d782 Ingo Molnar "Merge branch into tip/master: 'x86/tdx'".
> 
> Please comment. Thanks.

Ping?
Or should I relax until the end of the nearest merge window (May 
6th-ish)? :) Thanks,


> 
> 
> Alexey Kardashevskiy (6):
>    KVM: SEV: move set_dr_intercepts/clr_dr_intercepts from the header
>    KVM: SEV: Move SEV's GP_VECTOR intercept setup to SEV
>    KVM: SEV-ES: explicitly disable debug
>    KVM: SVM/SEV/SEV-ES: Rework intercepts
>    KVM: SEV: Enable data breakpoints in SEV-ES
>    x86/sev: Do not handle #VC for DR7 read/write
> 
>   arch/x86/include/asm/cpufeatures.h |  1 +
>   arch/x86/include/asm/svm.h         |  1 +
>   arch/x86/kvm/svm/svm.h             | 42 ---------------
>   arch/x86/boot/compressed/sev.c     |  2 +-
>   arch/x86/kernel/sev.c              |  6 +++
>   arch/x86/kvm/svm/sev.c             | 54 +++++++++++++++++++-
>   arch/x86/kvm/svm/svm.c             | 48 +++++++++++++++--
>   7 files changed, 105 insertions(+), 49 deletions(-)
> 

-- 
Alexey