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Date:   Tue, 12 Oct 2021 17:18:28 -0400
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     Dan Williams <dan.j.williams@intel.com>
Cc:     Andi Kleen <ak@linux.intel.com>,
        Kuppuswamy Sathyanarayanan 
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Subject: Re: [PATCH v5 12/16] PCI: Add pci_iomap_host_shared(),
 pci_iomap_host_shared_range()
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On Tue, Oct 12, 2021 at 02:14:44PM -0700, Dan Williams wrote:
> Especially in this case where the virtio use case being
> opted-in is *already* in a path that has been authorized by the
> device-filter policy engine.

That's a good point. Andi, how about setting a per-device flag
if its ID has been allowed and then making pci_iomap create
a shared mapping transparently?

-- 
MST