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

[Andi Kleen]

On 10/12/2021 12:13 PM, Dan Williams wrote:
> On Tue, Oct 12, 2021 at 11:57 AM Reshetova, Elena
> <elena.reshetova@xxxxxxxxx> wrote:
> > > I suspect the true number is even higher because that doesn't include IO
> > > inside calls to other modules and indirect pointers, correct?
> > Actually everything should be included. Smatch has cross-function db and
> > I am using it for getting the call chains and it follows function pointers.
> > Also since I am starting from a list of individual read IOs, every single
> > base read IO in drivers/* should be covered as far as I can see. But if it uses
> > some weird IO wrappers then the actual list might be higher.
> Why analyze individual IO calls? I thought the goal here was to
> disable entire classes of ioremap() users?

This is everything that would need to be moved somewhere else if we 
didn't disable the entire classes of ioremap users.

-Andi