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

From: Roland Dreier
Date: Wed Jul 27 2005 - 23:31:49 EST

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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