RE: [Xen-devel] [PATCH RFC 1/3] virtio infrastructure

["Santos, Jose Renato G" <joserenato.santos@xxxxxx>]

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Rusty Russell
> Sent: Thursday, May 31, 2007 5:19 AM
> To: kvm-devel; Xen Mailing List; virtualization
> Cc: Jimi Xenidis; Stephen Rothwell; jmk@xxxxxxxxxxxxxxxxxxx; 
> Herbert Xu; Christian Borntraeger; Suzanne McIntosh; Anthony 
> Liguori; Martin Schwidefsky
> Subject: [Xen-devel] [PATCH RFC 1/3] virtio infrastructure
> 
> This attempts to implement a "virtual I/O" layer which should 
> allow common drivers to be efficiently used across most 
> virtual I/O mechanisms.  It will no-doubt need further enhancement.
> 
>

Rusty

Could you please clarify what is the purpose of this "virtual I/O"
layer?
At least for networking, why isn't the current linux net device
abstraction sufficient for hiding the details of different virtual
devices implementations? What am I missing?

Thanks

Renato



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