Re: [PATCH] arch/x86/kernel/smpboot.c: Clarify when irq processingbegins.

From: Ingo Molnar
Date: Sun Sep 07 2008 - 11:46:03 EST



* Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> 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 <manfred@xxxxxxxxxxxxxxxx>
Signed-off-by

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

Ingo
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