[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] About ISA DMA

To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 21 Mar 2007 10:07:32 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 21 Mar 2007 03:06:34 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

> 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


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

Follow-Ups:
- RE: [Xen-devel] About ISA DMA
  - From: Tian, Kevin

References:
- [Xen-devel] About ISA DMA
  - From: Tian, Kevin

Prev by Date: Re: [Xen-users] Xen --> Guest
Next by Date: [Xen-devel] Re: /dev/mem and /dev/kmem
Previous by thread: [Xen-devel] About ISA DMA
Next by thread: RE: [Xen-devel] About ISA DMA
Index(es):
- Date
- Thread

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.