On Fri, Feb 13, 2015 at 08:54:22PM +0000, Magnus Damm wrote: > Thanks for your efforts. Can you please tell me where that limitation > is located? I'm quite sure I've brought CPU cores up and down > including CPU0, but maybe something is missing?
If you don't provide a cpu_disable function, by default only the non-boot (iow, non-CPU0) CPUs can be hotplugged. If you provide a cpu_disable function, it can instruct the system that fewer or more CPUs can be hotplugged, including the boot CPU. The system will then restrict you to a minimum of any one CPU online. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
