Re: [PATCH, resent] convert a for (i = 0 ; i < NR_CPUS ; i++) to for_each_cpu(i) in sched_init()

From: Ingo Molnar
Date: Wed Jan 25 2006 - 06:59:33 EST



* Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:

> This one was not triggered by yesterday patch : My test machine doesnt
> crash when dereferencing (runqueue_t *)0x3420, I wonder why ?

x86 SMP kernels have the NULL page remapped during early bootup.

Ingo
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