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authorShaohua Li <shaohua.li@intel.com>2009-05-19 16:09:54 +0800
committerLen Brown <len.brown@intel.com>2009-05-26 23:45:33 -0400
commit7d60e8ab0d5507229dfbdf456501cc378610fa01 (patch)
tree008fe5442f841fd555b7fa43253c166f2b5c8099 /include
parent87ad57bacb25c3f24c54f142ef445f68277705f0 (diff)
cpuidle: fix AMD C1E suspend hang
When AMD C1E is enabled, local APIC timer will stop even in C1. To avoid suspend/resume hang, this patch removes C1 and replace it with a cpu_relax() in suspend/resume path. This hasn't any impact in runtime path. http://bugzilla.kernel.org/show_bug.cgi?id=13233 [ impact: avoid suspend/resume 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>
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