Ralf Ertzinger wrote: > Hi. > > On Wed, 13 Dec 2006 10:43:35 -0500, Jeremy Katz wrote: > >> Isn't cpu hotplug needed for sleep/swsusp on multicore laptops? > > And don't xen guests need this in order to receive more/less VCPUs from > the host? > Yes! (as we just turned it on for 4.5-paravirt xenU kernels)