linux-kernel - Re: [PATCH kernel v2 0/3] KVM: SEV: Enable AMD SEV-ES DebugSwap

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Message-ID: <Y72jZsukhCC/b+6A@zn.tnic>
Date:   Tue, 10 Jan 2023 18:41:58 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Alexey Kardashevskiy <aik@....com>
Cc:     kvm@...r.kernel.org, x86@...nel.org, linux-kernel@...r.kernel.org,
        Venu Busireddy <venu.busireddy@...cle.com>,
        Tony Luck <tony.luck@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sean Christopherson <seanjc@...gle.com>,
        Sandipan Das <sandipan.das@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Michael Roth <michael.roth@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Jan Kara <jack@...e.cz>, Ingo Molnar <mingo@...hat.com>,
        Huang Rui <ray.huang@....com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Daniel Sneddon <daniel.sneddon@...ux.intel.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH kernel v2 0/3] KVM: SEV: Enable AMD SEV-ES DebugSwap

On Fri, Dec 09, 2022 at 03:38:01PM +1100, Alexey Kardashevskiy wrote:
> This is to use another AMD SEV-ES hardware assisted register swap,
> more detail in 2/3. The patches are fairly independend but required in
> this order.
> 
> This is based on sha1 0d1409e4ff08 and requires something like this
> for X86_FEATURE_NO_NESTED_DATA_BP:
> https://lkml.org/lkml/2022/11/29/1229

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