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xen-devel
Re: [Xen-devel] Will Xen 4.0 release use the pv-ops kernel despite it's
On 12/20/2009 10:16 PM, Tom Rotenberg wrote:
I just thought i saw Jeremy's mail about changing the APIC logic in
Xen to conform to the pv-ops kernel, which i thought will cause new
Xen not to work with old dom0 kernel. This isn't the case?
No. Future pvops dom0 kernels will require Xen >= 4.0. Xen 4.0 will
still support older dom0 kernels.
BTW, I haven't measured pvops dom0 performance, but there's no
particular reason to believe there'll be a big hit (the performance hit
I was talking about refers to the overhead of fork/exec-heavy workloads,
which is very unlike dom0's workload).
J
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