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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Tue, 12 Oct 2021 12:13:13 -0700
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Subject: Re: [PATCH v5 12/16] PCI: Add pci_iomap_host_shared(), pci_iomap_host_shared_range()
To:     "Reshetova, Elena" <elena.reshetova@intel.com>
Cc:     Andi Kleen <ak@linux.intel.com>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
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        "Lutomirski, Andy" <luto@kernel.org>,
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On Tue, Oct 12, 2021 at 11:57 AM Reshetova, Elena
<elena.reshetova@intel.com> 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?