From: Keith Owens <kaos@ocs.com.au>
To: linux-kernel@vger.kernel.org
Subject: Re: Hotplug CPU Boot Changes: BEWARE
Date: Sat, 08 Jun 2002 11:55:09 +1000 [thread overview]
Message-ID: <18628.1023501309@ocs3.intra.ocs.com.au> (raw)
In-Reply-To: Your message of "07 Jun 2002 08:51:32 CST." <m1elfjw39n.fsf@frodo.biederman.org>
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.
next prev parent reply other threads:[~2002-06-08 1:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-07 10:40 Rusty Russell
2002-06-07 14:51 ` Eric W. Biederman
2002-06-02 16:22 ` Pavel Machek
2002-06-08 1:55 ` Keith Owens [this message]
2002-06-10 7:05 ` Rusty Russell
2002-06-10 13:43 ` Eric W. Biederman
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