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(parent: cd86a53) | patch
cpuidle: makes AMD C1E work in acpi_idle
authorShaohua Li <shaohua.li@intel.com>
Tue, 19 May 2009 08:09:42 +0000 (16:09 +0800)
committerLen Brown <len.brown@intel.com>
Wed, 27 May 2009 03:38:56 +0000 (23:38 -0400)
commit87ad57bacb25c3f24c54f142ef445f68277705f0
treee0ea8eb4f70665babb3d6a2abc22df5e95d439batree | snapshot
parentcd86a536c81e9300d984327517548ca0652eebf9commit | diff
cpuidle: makes AMD C1E work in acpi_idle

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>
drivers/acpi/processor_idle.c diff | blob | history
Full containers within linux kernel