Re: vhost net: performance with ping benchmark

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On 08/25/2009 04:08 PM, Anthony Liguori wrote:
Michael S. Tsirkin wrote:
My preference is ring proxying. Not we'll need ring proxying (or at least event proxying) for non-MSI guests.

Exactly, that's what I meant earlier. That's enough, isn't it, Anthony?

It is if we have a working implementation that demonstrates the userspace interface is sufficient. Once it goes into the upstream kernel, we need to have backwards compatibility code in QEMU forever to support that kernel version.

Not at all. We still have pure userspace support, so if we don't like the first two versions of vhost, we can simply not support them. Of course I'm not advocating merging something known bad or untested, just pointing out that the cost of an error is not that bad.

--
error compiling committee.c: too many arguments to function

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