Re: [Xen-devel] [rfc 00/18] ioemu: use devfn instead of slots as the unit for passthrough

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 19/02/2009 09:21, "Yuji Shimada" <shimada-yxb@xxxxxxxxxxxxxxx> wrote:

>> To be honest I am a little confused about what the above maping
>> is supposed to achive.
> 
> Please find the attached figure which shows the interrupt routing in
> xen hypervisor.

The point being to deliberately permute the mapping to try to avoid
accidental GSI sharing even if there are patterns in DEV:INTX usage (e.g.,
all devs use INTA).

 -- Keir



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