From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Tue, 30 Nov 2010 12:21:30 +0000 (+0000)
Subject: ARM: CPU hotplug: ensure correct ordering of unplug
X-Git-Tag: v2.6.38-rc1~471^2~2^2^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f36d340122ae8744e64af0a92a6f77b97542c0a4;p=pandora-kernel.git

ARM: CPU hotplug: ensure correct ordering of unplug

Don't call idle_task_exit() with interrupts disabled, and ensure
that we have a memory barrier after interrupts are disabled but
before signalling that this CPU has shut down.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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