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Re: amd64 MP (was Re: pae MP on cherry-xenmp)
On Thu, 13 Oct 2011 11:39:15 +0100, Hugo Silva wrote:
Generally speaking, is the difference between the MP code for dom0
domU big enough that the dom0 typical workload would trigger bugs
domU likely wouldn't?
I ask to determine the best path of action: if MP-domU is likely to
trigger the same class of bugs as MP-dom0, then it might make more
to run this code on a test domU (exclusively) first (not having the
crash all the time helps with testing)
Best path is to try out SMP domU first, as this will shake out all
frontend drivers thread-safety and virtual memory (this part is shared
with dom0) parts.
Once that is stable, you can start hard-hitting the dom0. This will add
real device drivers to the loop, then eventually virtual backend drivers
when you start running multiple domUs.
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