Re: [libvirt] [RFC] Support cpu hotplug in libvirt.

Hi Viktor: On 07/18/2012 05:06 PM, Viktor Mihajlovski wrote: > I was actually considering a workaround in libvirt for what I believe to be a > kernel misbehavior, however it is possible to deconfigure the cpuset controller > in the host (i.e. removing it from /etc/cgconfig.conf). The CPU pinning will > still work, only that it using the "legacy" taskset mechanism. All other > cgroup-related functionality continues to work as well. > One issue with monitoring the online state of cpus is that libvirtd might not > be running all the time (crash, update) and thus can miss hotplug events. > I don't think remove cpuset controller from cgroup is a good idea. Maybe other apps will need it.

So I am considering capture the hotplug event (which is uevent) with netlink. And change the behavior of cgroup in libvirt. How do you think ?

Thanks. :)