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 13:14:10 +0100 |
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On Tue, 2004-11-30 at 12:09 +0000, Ian Pratt wrote: > > 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 > > Thanks for the pointer. Having looked through, it's orthogonal > and can't help us, though doesn't conflict with our patch either > (fuzz 2).
well.. it makes all non-ram unaccessible... so what's left is only the stuff Xen wants to make accessible anyway :)
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