Messages in this thread | | | Date | Thu, 01 Oct 2009 14:46:52 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH] iSCSI/iBFT: use proper address translation |
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On 10/01/09 01:01, Jan Beulich wrote: > In virtual environments (namely, Xen Dom0) virt <-> phys and > virt <-> isa-bus translations cannot be freely interchanged. When > looking at memory below 1M, the latter translations should always > be used. >
Do you have a different definition for isa_virt_to_bus in your kernel? As far as I can see it is defined to be the same as virt_to_phys. Also, the ISA memory is identity mapped into the domain's physical mapping space, so it should be directly accessible without any problems.
J
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