[Qemu-devel] RE: Guest bridge setup variations

2009-12-17 Thread Leonid Grossman
> -Original Message- > From: Arnd Bergmann [mailto:a...@arndb.de] > Sent: Wednesday, December 16, 2009 6:16 AM > To: virtualizat...@lists.linux-foundation.org > Cc: Leonid Grossman; qemu-devel@nongnu.org > Subject: Re: Guest bridge setup variations > > On Wednesday 16 December 2009, Leon

[Qemu-devel] RE: Guest bridge setup variations

2009-12-17 Thread Leonid Grossman
> > -Original Message- > > From: virtualization-boun...@lists.linux-foundation.org > > [mailto:virtualization-boun...@lists.linux-foundation.org] On Behalf > Of > > Arnd Bergmann > > Sent: Tuesday, December 08, 2009 8:08 AM > > To: virtualizat...@lists.linux-foundation.org > > Cc: qemu-deve

[Qemu-devel] Re: Guest bridge setup variations

2009-12-16 Thread Arnd Bergmann
On Wednesday 16 December 2009, Leonid Grossman wrote: > > > 3. Doing the bridging in the NIC using macvlan in passthrough > > > mode. This lowers the CPU utilization further compared to 2, > > > at the expense of limiting throughput by the performance of > > > the PCIe interconnect to the adapter.

Re: [Qemu-devel] Re: Guest bridge setup variations

2009-12-10 Thread Alexander Graf
On 10.12.2009, at 21:20, Arnd Bergmann wrote: > On Thursday 10 December 2009 19:14:28 Alexander Graf wrote: >>> This is something I also have been thinking about, but it is not what >>> I was referring to above. I think it would be good to keep the three >>> cases (macvlan, VMDq, SR-IOV) as simil

Re: [Qemu-devel] Re: Guest bridge setup variations

2009-12-10 Thread Arnd Bergmann
On Thursday 10 December 2009 19:14:28 Alexander Graf wrote: > > This is something I also have been thinking about, but it is not what > > I was referring to above. I think it would be good to keep the three > > cases (macvlan, VMDq, SR-IOV) as similar as possible from the user > > perspective, so u

[Qemu-devel] Re: Guest bridge setup variations

2009-12-10 Thread Alexander Graf
On 10.12.2009, at 15:18, Arnd Bergmann wrote: > On Thursday 10 December 2009, Fischer, Anna wrote: >>> >>> 3. Doing the bridging in the NIC using macvlan in passthrough >>> mode. This lowers the CPU utilization further compared to 2, >>> at the expense of limiting throughput by the performance o

[Qemu-devel] RE: Guest bridge setup variations

2009-12-10 Thread Fischer, Anna
> Subject: Guest bridge setup variations > > As promised, here is my small writeup on which setups I feel > are important in the long run for server-type guests. This > does not cover -net user, which is really for desktop kinds > of applications where you do not want to connect into the > guest f

[Qemu-devel] Re: Guest bridge setup variations

2009-12-10 Thread Arnd Bergmann
On Thursday 10 December 2009, Fischer, Anna wrote: > > > > 3. Doing the bridging in the NIC using macvlan in passthrough > > mode. This lowers the CPU utilization further compared to 2, > > at the expense of limiting throughput by the performance of > > the PCIe interconnect to the adapter. Whethe