Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH v2 6/9] intel_idle: do C1E promotion disable quirk for hotplugged CPUs | Date | Fri, 20 Dec 2013 19:47:28 +0100 |
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If the system is booted with some CPUs offline C1E promotion disable quirk won't be applied because on_each_cpu() in intel_idle_cpuidle_driver_init() operates only on online CPUs. Fix it by adding the C1E promotion disable handling to intel_idle_cpu_init() (which is also called during CPU_ONLINE operation).
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Len Brown <lenb@kernel.org> --- drivers/idle/intel_idle.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 92d1206..38da3fb 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -683,6 +683,9 @@ static int intel_idle_cpu_init(int cpu) if (icpu->auto_demotion_disable_flags) smp_call_function_single(cpu, auto_demotion_disable, NULL, 1); + if (icpu->disable_promotion_to_c1e) + smp_call_function_single(cpu, c1e_promotion_disable, NULL, 1); + return 0; } -- 1.8.2.3
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