Re: [PATCH 02/12] powermac: support G5 CPU hotplug

Johannes Berg
2007-02-14T19:11:36Z

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On Wed, 2007-02-14 at 15:45 +0100, Pavel Machek wrote:

> Can you disable timer interrupt on the interrupt controller, instead?

No, it's not actually an external interrupt, the "timer interrupt" on
powerpc is the decrementer exception which is built into the CPU.

In any case, the soft-irq disable stuff I already posted a bit later
provides the same with no more runtime overhead than we already have.

johannes

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