Re: [PATCH] iSCSI/iBFT: use proper address translation

From: Jeremy Fitzhardinge
Date: Thu Oct 01 2009 - 17:56:37 EST


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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