On 01/14/2014 08:40 AM, Josh Boyer wrote: > On Tue, Jan 14, 2014 at 7:36 AM, Prarit Bhargava <prarit@xxxxxxxxxx> wrote: >> Set CONFIG_BOOTPARAM_HOTPLUG_CPU0 to 'y'. Currently, to disable CPU0, >> the "boot" cpu, one must specify cpu0_hotplug as a kernel parameter. >> Setting this config variable to 1 enables it by default. >> >> I've tested this on systems where it was expected to work and it seems to >> function properly. > > Looking this over, it simply makes it _possible_ to offline CPU0, but > doesn't do it by default, correct? Yes, that is correct. You still have to manually echo 0 into /sys/devices/system/cpu/cpu0/online to disable CPU 0. > > I've got it queued locally and assuming the answer to my question is > what I think it is, I'll push it out soonish. Thanks. > Thanks :) P. > josh _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel
