On Tue, Jan 14, 2014 at 7:36 AM, Prarit Bhargava <prarit(a)redhat.com> 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?
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.
josh