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RE: [Xen-devel] Support for mii_xxx functions?

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] Support for mii_xxx functions?
From: "Paul K. Fisher" <pfisher@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 Oct 2003 10:57:25 -0500
Cc: "Xen-Devel" <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of Keir Fraser
> Sent: Friday, October 24, 2003 5:16 AM
>
> You will have to change it. Any function which will access the packet
> data must use map_domain_mem(), as the data pointer within the skbuff
> is not usable directly by Xen.
>
> Note that some skb_* functions already do the map_domain_mem() for you
> --- any skb copying function based on skb_copy_bits() is safe.

I had figured that out, and just wanted to know about the (lack) of the
other interfaces.


> Note also that we hope fairly soon (within the next few months) to
> move all device drivers into "I/O domains" running outside of Xen in
> ring 1. At that point we will hopefully be able to run Linux device
> drivers unmodified, so this porting pain will no longer be necessary
> :-)

OK.  Is this work being done in the BK repository?  Is there a roadmap for
the work?  Basically, how does one get involved in that effort? My only real
goal with porting the 8139too was to learn Xen from the inside out?


paul



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