linux-kernel - Re: [PATCH 2/2] KVM: SEV: Flush cache on non-coherent systems before RECEIVE_UPDATE

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Message-ID: <19578a3b-e624-4002-81b0-d0346abee2f7@redhat.com>
Date:   Thu, 21 Oct 2021 19:01:01 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Ashish Kalra <Ashish.Kalra@....com>, seanjc@...gle.com
Cc:     brijesh.singh@....com, jmattson@...gle.com, joro@...tes.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcorr@...gle.com, masa.koz@...uka.jp, pgonda@...gle.com,
        thomas.lendacky@....com, vkuznets@...hat.com, wanpengli@...cent.com
Subject: Re: [PATCH 2/2] KVM: SEV: Flush cache on non-coherent systems before
 RECEIVE_UPDATE_DATA

On 21/10/21 00:58, Ashish Kalra wrote:
> From: Sean Christopherson <seanjc@...gle.com>
> 
> Hello Paolo,
> 
> I am adding a SEV migration test as part of the KVM SEV selftests.
> 
> And while testing SEV migration with this selftest, i observed
> cache coherency issues causing migration test failures, so really
> need this patch to be added.
> 
> Tested-by: Ashish Kalra <ashish.kalra@....com>
> 

Queued for 5.15, thanks.

Paolo