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Date:   Fri, 14 May 2021 09:33:45 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Ashish Kalra <ashish.kalra@amd.com>
Cc:     seanjc@google.com, pbonzini@redhat.com, tglx@linutronix.de,
        mingo@redhat.com, hpa@zytor.com, joro@8bytes.org,
        thomas.lendacky@amd.com, x86@kernel.org, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org, srutherford@google.com,
        venu.busireddy@oracle.com, brijesh.singh@amd.com
Subject: Re: [PATCH v2 2/4] mm: x86: Invoke hypercall when page encryption
 status is changed
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References: <cover.1619193043.git.ashish.kalra@amd.com>
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On Thu, May 13, 2021 at 04:34:41AM +0000, Ashish Kalra wrote:
> What's the use of notification of a partial page list, even a single
> incorrect guest page encryption status can crash the guest/migrated
> guest.

Ok, so explain to me how this looks from the user standpoint: she starts
migrating the guest, it fails to lookup an address, there's nothing
saying where it failed but the guest crashed.

Do you think this is user-friendly?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette