Re: smp: Start up non-boot CPUs asynchronously

From: Andrew Morton
Date: Wed Feb 01 2012 - 17:55:58 EST


On Tue, 31 Jan 2012 08:24:39 -0800
Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote:

> The starting of the "not first" CPUs actually takes a lot of boot time
> of the kernel... upto "minutes" on some of the bigger SGI boxes.

Where is all this time being spent?
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