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RE: [Xen-devel] About ISA DMA
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] About ISA DMA |
| From: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Date: | Wed, 21 Mar 2007 20:13:17 +0800 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 21 Mar 2007 05:12:33 -0700 |
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| Thread-index: | AcdroMZ1o/FW/2rKRaG0PdXVJRQeWAAEWjGA |
| Thread-topic: | [Xen-devel] About ISA DMA |
>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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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