Re: [rfc patch] x86,apic: fix DEBUG_PREEMPT gripe when booting withthreadirqs=1

From: Ingo Molnar
Date: Sun Jun 26 2011 - 06:49:51 EST



* Mike Galbraith <mgalbraith@xxxxxxx> wrote:

> x86,apic: fix DEBUG_PREEMPT gripe when booting with threadirqs=1
>
> If CONFIG_PREEMPT and CONFIG_INTR_REMAP are both set, and a box is
> booted with threadirqs, the gripe below is emitted. It was suggested
> that native_smp_prepare_cpus() shouldn't need to be run with preemption
> disabled, and indeed, box boots with no hint of trouble. Remove it.

Would also require a careful review of the code we take out of
preempt protection now - have you done that by any chance? (if not,
mind doing it?)

Thanks,

Ingo
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