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

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On 10/11/2021 10:31 PM, Christoph Hellwig wrote:
On Mon, Oct 11, 2021 at 03:09:09PM -0400, Michael S. Tsirkin wrote:
The reason we have trouble is that it's not clear what does the API mean
outside the realm of TDX.
If we really, truly want an API that says "ioremap and it's a hardened
driver" then I guess ioremap_hardened_driver is what you want.
Yes.  And why would be we ioremap the BIOS anyway?  It is not I/O memory
in any of the senses we generally use ioremap for.

I/O memory is anything outside the kernel memory map.

-Andi





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