From: Manfred Spraul <manfred@colorfullife.com>
Date: Sun, 7 Sep 2008 09:29:58 +0000 (+0200)
Subject: arch/x86/kernel/smpboot.c: Clarify when irq processing begins.
X-Git-Tag: v2.6.28-rc1~611^2~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0cefa5b9b0a61b62442c5d0ca00a304c5896b6e9;p=pandora-kernel.git

arch/x86/kernel/smpboot.c: Clarify when irq processing begins.

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.

Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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