Re: [kvm-devel] [PATCH/RFC 7/9] Virtual network guest device driver

2007-05-14 Thread Christian Bornträger
On Monday 14 May 2007 14:05, Avi Kivity wrote: But I agree that the growing code base is a problem. With the block driver we can probably keep the host side in userspace, but to do the same for networking is much more work. I do think (now) that it is doable. Interesting. What kind of

Re: [kvm-devel] [PATCH/RFC 5/9] s390 virtual console for guests

2007-05-14 Thread Christian Bornträger
On Friday 11 May 2007 21:00, Anthony Liguori wrote: I think it would be better to use hvc_console as Xen now uses it too. I just had a look at hvc_console, and indeed this driver looks appropriate for us. Looking at the xen-frontend driver (~130 lines of code) and the simple interface

Re: [kvm-devel] [PATCH/RFC 5/9] s390 virtual console for guests

2007-05-11 Thread Christian Bornträger
On Friday 11 May 2007 21:00, Anthony Liguori wrote: I think it would be better to use hvc_console as Xen now uses it too. I dont know hvc_console, but I will have a look at it. Carsten Otte wrote: + if (!MACHINE_IS_GUEST) + return 0; + register_external_interrupt(0x1234,

Re: [kvm-devel] [PATCH/RFC 8/9] Virtual network host switch support

2007-05-11 Thread Christian Bornträger
On Friday 11 May 2007 22:21, Anthony Liguori wrote: Any feel for the performance relative to the bridging code? The bridging code is a pretty big bottle neck in guest=guest communications in Xen at least. Last time I checked it we had a quite decent guest to guest performance in the