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authorEduardo Valentin <eduardo.valentin@ti.com>2013-03-27 01:38:34 +0400
committerZhang Rui <rui.zhang@intel.com>2013-04-02 17:34:42 +0400
commit8837295a73f3500b32e18f9862c7bdde0b958648 (patch)
treef0749e2a6ad90dabf901480cbc740aa9c47a4a1f /drivers/thermal/Kconfig
parentbffd1f8ac87a798515a8aed5f64047b182e049f5 (diff)
downloadlinux-8837295a73f3500b32e18f9862c7bdde0b958648.tar.xz
thermal: add a warning for temperature emulation feature
Because this feature is for debuging purposes, it is highly recommended to do not enable this on production systems. This patch adds warnings for system integrators, so that people are aware of this potential security issue. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal/Kconfig')
-rw-r--r--drivers/thermal/Kconfig4
1 files changed, 4 insertions, 0 deletions
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