Jes Sorensen wrote: > Zhang, Xiantao wrote: >> Hi, Jes >> I found the reason why qemu only supports 16 vcpus. In >> libkvm/kvm-common.h, the MAX_CPUS is defined as 16 for ia64 side. We >> should increase this value to 64 or big value you like. Please have >> a try on your mainframe. Thanks! >> Xiantao > > Xiantao, > > You are too fast :-) > > With this change I can boot 60 vcpus on my system - thats the limit I > get from KVM_MAX_VCPUS with your patch from yesterday. > > I am going to look into making this go further! :-) You can change the p2m size to 32M and have a try. And it should support 256G memory and 120 vcpus. But for larger memory support, we can allocate huge pages for it, and it should support several T bytes. > Regards, > Jes -- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html