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authorShaohua Li <shaohua.li@intel.com>2011-01-10 09:38:12 +0800
committerLen Brown <len.brown@intel.com>2011-01-12 12:47:34 -0500
commit2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (patch)
tree24a83ac74e876bac402a99262ac5ac89144810b3 /drivers/cpuidle
parent5392083748a340f68052c0b83a7ce28b10324972 (diff)
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intel_idle: open broadcast clock event
Intel_idle driver uses CLOCK_EVT_NOTIFY_BROADCAST_ENTER CLOCK_EVT_NOTIFY_BROADCAST_EXIT for broadcast clock events. The _ENTER/_EXIT doesn't really open broadcast clock events, please see processor_idle.c for an example. In some situation, this will cause boot hang, because some CPUs enters idle but local APIC timer stalls. Reported-and-tested-by: Yan Zheng <zheng.z.yan@intel.com> Signed-off-by: Shaohua Li <shaohua.li@intel.com> cc: stable@kernel.org Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/cpuidle')
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