On śro, 2015-01-07 at 18:29 +0530, Anand Moon wrote: > Enable CONFIG_LOCKUP_DETECTOR to validate kernel locks state for exynos SOC. > > Enabling CONFIG_LOCKUP_DETECTOR help validator tracks the 'state' of lock-classes, > and it tracks dependencies between different lock-classes. > The validator maintains a rolling proof that the state and > the dependencies are correct. Unfortunately this is not correct. Lockup detector does something else. Please read the help/manual for LOCKUP_DETECTOR. You can find in lib/Kconfig.debug (around line 667). Best regards, Krzysztof > > Changes since v2: > * Made commit message more clear > * Corrected grammer in code comment > > Tested on Exynos5422 ODROID XU3 board. > > Signed-off-by: Anand Moon <moon.linux@xxxxxxxxx> > Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > --- > arch/arm/configs/exynos_defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig > index 5ef14de..ecd9987 100644 > --- a/arch/arm/configs/exynos_defconfig > +++ b/arch/arm/configs/exynos_defconfig > @@ -178,6 +178,7 @@ CONFIG_PRINTK_TIME=y > CONFIG_DEBUG_FS=y > CONFIG_MAGIC_SYSRQ=y > CONFIG_DEBUG_KERNEL=y > +CONFIG_LOCKUP_DETECTOR=y > CONFIG_DETECT_HUNG_TASK=y > CONFIG_DEBUG_RT_MUTEXES=y > CONFIG_DEBUG_SPINLOCK=y -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html