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intel_idle: fix API misuse
commit 39a74fd upstream. smp_call_function() only lets all other CPUs execute a specific function, while we expect all CPUs do in intel_idle. Without the fix, we could have one cpu which has auto_demotion enabled or has no broadcast timer setup. Usually we don't see impact because auto demotion just harms power and the intel_idle init is called in CPU 0, where boradcast timer delivers interrupt, but this still could be a problem. Signed-off-by: Shaohua Li <email@example.com> Signed-off-by: Andrew Morton <firstname.lastname@example.org> Signed-off-by: Len Brown <email@example.com> Signed-off-by: Greg Kroah-Hartman <firstname.lastname@example.org>
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