From: Shawn Guo <shawn.guo@linaro.org>
Date: Mon, 14 Jan 2013 06:08:50 +0000 (+0800)
Subject: ARM: imx: disable cpu in .cpu_kill hook
X-Git-Tag: fixes-for-linus2~9^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=837576642167d701f983e4def0d3936b514a28ae;p=pandora-kernel.git

ARM: imx: disable cpu in .cpu_kill hook

It's buggy to disable the cpu that is being hot-unplugged in .cpu_die
hook which runs on the cpu itself.  Instead, it should be done in
.cpu_kill which runs on the thread (another cpu) that asks for shutting
down the cpu.  Move imx_enable_cpu(cpu, false) call into .cpu_kill
hook, and leave the cpu to be hot-unplugged in WFI within .cpu_die,
so that we can get a more stable cpu hot-plug operation.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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