Messages in this thread | | | Subject | Re: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN | From | Arjan van de Ven <> | Date | Tue, 30 Nov 2004 10:04:46 +0100 |
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On Tue, 2004-11-30 at 08:56 +0000, Ian Pratt wrote:
> In the Xen case, we actually need to use io_remap_page_range for > all /dev/mem accesses, so as to be able to map the BIOS area, DMI > tables etc. >
look at the /dev/mem patches in the -mm tree... there might be infrastructure there that is useful to you
> I wasn't sure how best to handle the fact that /dev/kmem shared > its mmap implementation with /dev/mem. BTW: Does anyone know of > any programs that make use of mmap'ing /dev/kmem?
effectively nothing uses /dev/kmem; you might as well just remove it entirely and/or not provide it in Xen.
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