Re: [PATCH v5 12/16] PCI: Add pci_iomap_host_shared(), pci_iomap_host_shared_range()

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On 10/12/2021 2:18 PM, Michael S. Tsirkin wrote:
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?

Yes for pci_iomap we could do that.

If someone uses raw ioremap without a device it won't work, but I don't think that's the case for virtio at least.

I suppose we could solve that problem if it actually happens.

-Andi




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