[Xen-users] vcpu-set online/offline vcpus automatically (xen4.0.

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Subject:	[Xen-users] vcpu-set online/offline vcpus automatically (xen4.0.1 2.6.32-5-xen-amd64)
From:	Sergi Seira <s.seira@xxxxxxxxx>
Date:	Thu, 18 Aug 2011 09:09:22 +0200
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Hello,

I'm working on PV domUs trying to add and remove vcpus.

Removing vcpus works fine, as xm vcpu-set removes the cpu in domU (shown as 
expected in /sys/devices/system/cpu/), but adding vcpus requires intervention 
inside domU :

echo 1 > /sys/devices/system/cpu/cpuXX/online

because the cpu is added and seen by domU, but it is not automatically brought 
online.

Is there any way to automate bringing online newly inserted cpus other than a 
crontab?

Dom0 is a debian 6.0 (xen4.0.1 2.6.32-5-xen-amd64)

Thanks,
regards,
Sergi

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[Xen-users] vcpu-set online/offline vcpus automatically (xen4.0.1 2.6.32