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. Whether or

RE: Guest bridge setup variations

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

RE: Guest bridge setup variations

2009-12-15 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: virtualization@lists.linux-foundation.org Cc: qemu-de...@nongnu.org

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 from

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. Whether or not

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 of the PCIe

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 using

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 similar as