RE: [Xen-devel] About ISA DMA

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx]
>Sent: 2007年3月21日 18:08
>
>> Just curious whether Xen supports legacy ISA DMA for now which
>> has requirement on lower 16M memory. If can, how is it supported
>> since 1M-16M are occupied by Xen? Dom0 seems only setup
>> fixmap for 0-1M physical memory...
>
>Xen doesn't support ISA DMA. This hasn't turned out to be a
>significant problem as hardware with the ISA limitation has been
>obsolete for a very long time.
>
> -- Keir

Understand. Just a curious question when realizing it. :-)

Thanks,
Kevin

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