From: Ashish Kalra <ashish.kalra@amd.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
natet@google.com, brijesh.singh@amd.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, rientjes@google.com,
seanjc@google.com, srutherford@google.com,
thomas.lendacky@amd.com, x86@kernel.org,
Tobin Feldman-Fitzthum <tobin@ibm.com>,
DOV MURIK <Dov.Murik1@il.ibm.com>
Subject: Re: [RFC] KVM: x86: Support KVM VMs sharing SEV context
Date: Fri, 26 Feb 2021 13:30:23 +0000 [thread overview]
Message-ID: <20210226133023.GA5950@ashkalra_ubuntu_server> (raw)
In-Reply-To: <b885c283-ceb3-b9bc-516b-c28771652a7c@redhat.com>
On Thu, Feb 25, 2021 at 09:33:09PM +0100, Paolo Bonzini wrote:
> On 25/02/21 19:18, Ashish Kalra wrote:
> > I do believe that some of these alternative SEV live migration support
> > or Migration helper (MH) solutions will still use SEV PSP migration for
> > migrating the MH itself, therefore the SEV live migration patches
> > (currently v10 posted upstream) still make sense and will be used.
>
> I think that since the migration helper (at least for SEV, not -ES) is part
> of the attested firmware, it can be started on the destination before the
> rest of the VM.
>
We may also need to transport VMSA(s) securely using the PSP migration
support for SEV-ES live migration with MH.
Thanks,
Ashish
next prev parent reply other threads:[~2021-02-26 13:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-24 8:59 [RFC] KVM: x86: Support KVM VMs sharing SEV context Nathan Tempelman
2021-02-24 9:18 ` Paolo Bonzini
2021-02-24 16:58 ` Sean Christopherson
2021-02-25 11:26 ` Paolo Bonzini
2021-02-24 17:37 ` Sean Christopherson
2021-02-25 3:55 ` Steve Rutherford
2021-03-12 23:47 ` Nathan Tempelman
2021-03-16 17:52 ` Sean Christopherson
2021-03-16 17:58 ` Paolo Bonzini
2021-03-16 18:08 ` Sean Christopherson
2021-02-25 3:44 ` Steve Rutherford
2021-02-25 14:57 ` Tom Lendacky
2021-02-25 18:49 ` Steve Rutherford
2021-03-05 22:36 ` Ashish Kalra
2021-03-09 17:45 ` Sean Christopherson
2021-02-25 17:53 ` James Bottomley
2021-02-25 18:18 ` Ashish Kalra
2021-02-25 20:33 ` Paolo Bonzini
2021-02-26 13:30 ` Ashish Kalra [this message]
2021-02-25 20:36 ` Paolo Bonzini
2021-03-05 14:04 ` Ashish Kalra
2021-03-05 15:13 ` Paolo Bonzini
2021-03-05 20:43 ` Nathan Tempelman
2021-03-11 15:30 ` Tobin Feldman-Fitzthum
2021-03-11 16:29 ` Paolo Bonzini
2021-03-15 17:05 ` Tobin Feldman-Fitzthum
2021-03-15 17:29 ` Paolo Bonzini
2021-05-24 21:29 ` Kalra, Ashish
2021-05-24 21:29 ` Kalra, Ashish
2021-05-27 15:51 ` Kalra, Ashish
2021-05-27 15:51 ` Kalra, Ashish
2021-06-01 8:26 ` Kalra, Ashish
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