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Date:	Sun, 7 Sep 2008 17:45:43 +0200
From:	Ingo Molnar <>
To:	Manfred Spraul <>
Subject: Re: [PATCH] arch/x86/kernel/smpboot.c: Clarify when irq processing

* Manfred Spraul <> wrote:

> Secondary cpus start with local interrupts disabled.
> start_secondary() first initializes the new cpu, then it enables the
> local interrupts. (although interrupts are enabled within smp_callin()
> as well).
> Right now, the local interrupts are enabled as a side effect of calling
> ipi_call_lock_irq().
> The attached patch clarifies when local interrupts are enabled.

applied to tip/x86/core, thanks Manfred.

[ btw., i fixed this typo:

  > Signed-of-By: Manfred Spraul <>

  "git commit -s" will add your signoff automatically. ]

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