Messages in this thread | | | From | Keith Owens <> | Subject | Re: Hotplug CPU Boot Changes: BEWARE | Date | Sat, 08 Jun 2002 11:55:09 +1000 |
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On 07 Jun 2002 08:51:32 -0600, ebiederm@xmission.com (Eric W. Biederman) wrote: >Thinking in terms of physically hot-plugging cpus has me doubt the >actual utility of this code. Instead thinking of dynamically enabling >and disabling processors for debugging sounds very reasonable.
IBM (S390) and SGI hardware. Virtually disable the cpu so the cpu partition manager migrates work off the cpu[*]. Vary the cpu offline. Physically replace the cpu. Reverse the process. It all works fine if the hardware supports it and[*] the OS supports migration off a cpu.
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