From: Shaohua Li <shaohua.li@intel.com>
Date: Tue, 2 Jun 2009 02:51:58 +0000 (+0800)
Subject: cpuidle: make AMC C1E work in processor_idle
X-Git-Tag: v2.6.27.25~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9f0ff0caef2cc06e90edc7991f0360890febda1;p=pandora-kernel.git

cpuidle: make AMC C1E work in processor_idle

commit 87ad57bacb25c3f24c54f142ef445f68277705f0 upstream

When AMD C1E is enabled, local APIC timer will stop even in C1. This patch uses
broadcast ipi to replace local APIC timer in C1.

http://bugzilla.kernel.org/show_bug.cgi?id=13233

[ impact: avoid boot hang in AMD CPU with C1E enabled ]

Tested-by: Dmitry Lyzhyn <thisistempbox@yahoo.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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