Messages in this thread | | | Date | Mon, 14 May 2012 14:17:25 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH v6 04/12] x86/smpboot.c: Don't offline CPU0 if any irq can not be migrated out of it and remove CPU0 check in smp_callin() |
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* Tony Luck <tony.luck@intel.com> wrote:
> Biggest code impact of that is the extra code to bring cpu0 > back online using NMI instead of INIT. We can't use INIT > because if cpu0 gets one, it just resets the whole machine :-( > But obviously we'd like to avoid special cases where there is > a sane way to do so.
Could we just standardize on NMI bringup during regular bootup?
Thanks,
Ingo
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