From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Drop "ACPI: " from the pr_noitice() instance in acpi_processor_cstate_first_run_checks(), because pr_fmt() causes that prefix to be added to the message already. Reported-by: Hanjun Guo <guohanjun@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/acpi/processor_idle.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux-pm/drivers/acpi/processor_idle.c =================================================================== --- linux-pm.orig/drivers/acpi/processor_idle.c +++ linux-pm/drivers/acpi/processor_idle.c @@ -780,8 +780,8 @@ static inline void acpi_processor_cstate dmi_check_system(processor_power_dmi_table); max_cstate = acpi_processor_cstate_check(max_cstate); if (max_cstate < ACPI_C_STATES_MAX) - pr_notice("ACPI: processor limited to max C-state %d\n", - max_cstate); + pr_notice("processor limited to max C-state %d\n", max_cstate); + first_run++; if (nocst)