On Sat, Jul 25, 2020 at 02:37:52PM +0800, Huacai Chen wrote: > Hi, Thomas, > > What do you think about this patch? Other archs also do the same thing > except those support hotplug CPU#0. I'm ok with the patch, I'm just wondering if this is a hardware or software limitation. If it's the latter, what needs to be done to support it ? Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]