On Mon, Nov 22, 2010 at 08:01:04AM +0800, Shaohui Zheng wrote: >On Sun, Nov 21, 2010 at 10:45:11PM +0800, AmÃrico Wang wrote: >> On Wed, Nov 17, 2010 at 10:08:04AM +0800, shaohui.zheng@xxxxxxxxx wrote: >> >From: Shaohui Zheng <shaohui.zheng@xxxxxxxxx> >> > >> >Add cpu interface probe/release under sysfs for x86. User can use this >> >interface to emulate the cpu hot-add process, it is for cpu hotplug >> >test purpose. Add a kernel option CONFIG_ARCH_CPU_PROBE_RELEASE for this >> >feature. >> > >> >This interface provides a mechanism to emulate cpu hotplug with software >> > methods, it becomes possible to do cpu hotplug automation and stress >> >testing. >> > >> >> Huh? We already have CPU online/offline... >> >> Can you describe more about the difference? >> >> Thanks. > >Again, we already try to discribe the difference between logcial cpu >online/offline and physical cpu online/offline many times. > I see, with "maxcpus=" we will only have the specified number of CPU's which can be online/offline, you are trying to bring the rest of CPU's hidden by "maxcpus=". :) Correct? I think the idea is cool, but I think you need to improve the documetion, for people who don't follow the hardware concepts like me. ;) Thanks. -- Live like a child, think like the god. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>