Re: [PATCH v4 11/15] pci: Add pci_iomap_shared{,_range}

From: Michael S. Tsirkin
Date: Sat Sep 11 2021 - 19:54:50 EST


On Fri, Sep 10, 2021 at 09:34:45AM -0700, Andi Kleen wrote:
> > > that's why
> > > an extra level of defense of ioremap opt-in is useful.
> > OK even assuming this, why is pci_iomap opt-in useful?
> > That never happens before probe - there's simply no pci_device then.
>
>
> Hmm, yes that's true. I guess we can make it default to opt-in for
> pci_iomap.
>
> It only really matters for device less ioremaps.

OK. And same thing for other things with device, such as
devm_platform_ioremap_resource.
If we agree on all that, this will basically remove virtio
changes from the picture ;)

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MST