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Date:   Sat, 2 Oct 2021 07:04:28 -0400
From:   "Michael S. Tsirkin" <>
To:     Andi Kleen <>
Cc:     Greg Kroah-Hartman <>,
        "Kuppuswamy, Sathyanarayanan" 
        Dan Williams <>,
        Borislav Petkov <>, X86 ML <>,
        Bjorn Helgaas <>,
        Thomas Gleixner <>,
        Ingo Molnar <>,
        Andreas Noever <>,
        Michael Jamet <>,
        Yehezkel Bernat <>,
        "Rafael J . Wysocki" <>,
        Mika Westerberg <>,
        Jonathan Corbet <>,
        Jason Wang <>,
        Kuppuswamy Sathyanarayanan <>,
        Linux Kernel Mailing List <>,
        Linux PCI <>,
        USB list <>,,
        "Reshetova, Elena" <>
Subject: Re: [PATCH v2 4/6] virtio: Initialize authorized attribute for
 confidential guest

On Fri, Oct 01, 2021 at 08:49:28AM -0700, Andi Kleen wrote:
> >   Do you have a list of specific drivers and kernel options that you
> > feel you now "trust"?
> For TDX it's currently only virtio net/block/console
> But we expect this list to grow slightly over time, but not at a high rate
> (so hopefully <10)

Well there are already >10 virtio drivers and I think it's reasonable
that all of these will be used with encrypted guests. The list will


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