On Fri, Jun 21, 2013 at 12:19 PM, Nathan Zimmer <nzimmer@xxxxxxx> wrote: > On 06/21/2013 02:10 PM, Yinghai Lu wrote: >> in this way we can keep all numa etc on the place when online ram, cpu, >> pci... >> >> For example if we have 32 sockets system, most time for boot is with >> *BIOS* >> instead of OS. In those kind of system boot is like this way: >> only first two sockets get booted from bios to OS. >> later use hot add every other two sockets. >> >> that will also make BIOS simpler, and it need to support hot-add for >> services purpose anyway. >> > Yes the hot add path was one option we looked at and it did shorten boot > times but the goal I had here is to get from power on to having the full > machine available as quick as possible. Several clients need significant > portions of ram for their key workloads. So that guided my thoughts on this > patch. you mean boot small number sockets + hot add still take more time? hot add ram still in serialize mode? Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
