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From: Brijesh Singh <brijesh.singh@amd.com>
To: Peter Gonda <pgonda@google.com>, kvm@vger.kernel.org
Cc: brijesh.singh@amd.com, Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	David Rientjes <rientjes@google.com>,
	"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] KVM, SEV: Add support for SEV-ES local migration
Date: Tue, 13 Jul 2021 13:41:07 -0500	[thread overview]
Message-ID: <71d3fdc2-7866-1486-d8e4-5a6469982cd7@amd.com> (raw)
In-Reply-To: <20210621163118.1040170-4-pgonda@google.com>



On 6/21/21 11:31 AM, Peter Gonda wrote:

> @@ -1196,8 +1299,19 @@ static int sev_local_send(struct kvm *kvm, struct kvm_sev_cmd *argp)
>   	INIT_LIST_HEAD(&entry->regions_list);
>   	list_replace_init(&sev->regions_list, &entry->regions_list);
>   
> +	if (sev_es_guest(kvm)) {
> +		/*
> +		 * If this is an ES guest, we need to move each VMCB's VMSA into a
> +		 * list for migration.
> +		 */
> +		entry->es_enabled = true;
> +		entry->ap_jump_table = sev->ap_jump_table;
> +		if (create_vmsa_list(kvm, entry))
> +			goto e_listdel;
> +	}
> +

the patch looks good. Similar to the previous patch, do we need to check 
for the SEV guest state >= LAUNCH_UPDATE to be sure that VMSA's are 
encrypted before we go about sharing it with the new VMM ?

-Brijesh

  reply	other threads:[~2021-07-13 18:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 16:31 [PATCH 0/3] Add AMD SEV and SEV-ES local migration support Peter Gonda
2021-06-21 16:31 ` [PATCH 1/3] KVM, SEV: Refactor out function for unregistering encrypted regions Peter Gonda
2021-07-12 20:05   ` Brijesh Singh
2021-07-13 21:40   ` Sean Christopherson
2021-07-13 23:18   ` Marc Orr
2021-06-21 16:31 ` [PATCH 2/3] KVM, SEV: Add support for SEV local migration Peter Gonda
2021-07-12 21:09   ` Brijesh Singh
2021-07-13 20:12     ` Peter Gonda
2021-07-13 22:12   ` Sean Christopherson
2021-07-13 23:24   ` Marc Orr
2021-06-21 16:31 ` [PATCH 3/3] KVM, SEV: Add support for SEV-ES " Peter Gonda
2021-07-13 18:41   ` Brijesh Singh [this message]
2021-07-13 22:21   ` Sean Christopherson
2021-07-13 23:25   ` Marc Orr

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