[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] xen/cpu: Make VCPU hotplug code online CPUs properly.



On Fri, 2012-02-10 at 14:43 +0000, Konrad Rzeszutek Wilk wrote:
> Offlining CPUs works. Onlining does not work anymore and it looks
> like we were missing a cpu_up() call in the hotplug bring up path.

Wasn't this a deliberate decision as part of the pvops upstreaming to be
consistent with native cpu hotplug? After hotplugging a CPU
administrator action is needed to actually online it.

http://xen.1045712.n5.nabble.com/cpu-down-but-no-cpu-up-in-drivers-xen-cpu-hotplug-c-td2545244.html

The fix is to add a udev rule:
http://wiki.xen.org/wiki/Paravirt_Linux_CPU_Hotplug

Ian.



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.