Re: [openib-general] Re: [PATCH] arch/xx/pci: remap_pfn_range ->io_remap_pfn_range

[Roland Dreier]

    Greg> Hm, you do realize that io_remap_pfn_range() is the same
    Greg> thing as remap_pfn_range() on i386, right?

    Greg> So, why would this patch change anything?

It's not the same thing under Xen.  I think this patch fixes userspace
access to PCI memory for XenLinux.

 - R.
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