diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt index 6859661c9d31..277530a5786c 100644 --- a/Documentation/thermal/sysfs-api.txt +++ b/Documentation/thermal/sysfs-api.txt @@ -265,6 +265,10 @@ emul_temp Unit: millidegree Celsius WO, Optional + WARNING: Be careful while enabling this option on production systems, + because userland can easily disable the thermal policy by simply + flooding this sysfs node with low temperature values. + ***************************** * Cooling device attributes * ***************************** diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 2a19120c32bd..fb0672baff40 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -86,6 +86,10 @@ config THERMAL_EMULATION user can manually input temperature and test the different trip threshold behaviour for simulation purpose. + WARNING: Be careful while enabling this option on production systems, + because userland can easily disable the thermal policy by simply + flooding this sysfs node with low temperature values. + config SPEAR_THERMAL bool "SPEAr thermal sensor driver" depends on PLAT_SPEAR