Re: [RFC 07/10] powermac: support G5 CPU hotplug

Johannes Berg
2007-02-07T12:23:08Z

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On Mon, 2007-02-05 at 19:30 +0100, Johannes Berg wrote:

> This patch allows "hotplugging" of CPUs on G5 machines. CPUs that are
> disabled are put into an idle loop with interrupts hard-disabled, to wake
> them up again we kick them just like when bringing them up.

testing with forced preemption revealed that the preempt count is messed
up. Will resend with the fix. The hardirq count is still strange...

johannes

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