On śro, 2015-01-07 at 17:45 +0530, Anand Moon wrote: > ARM Enable CONFIG_LOCKUP_DETECTOR to validation of kernel locks > > v2 Fixed the commit log > This config item helps getting some useful information when lockup > happens. If you want to validate locks then probably you want > PROVE_LOCKING... but its overhead is larger. > > Anyway the overhead of LOCKUP_DETECTOR is small and multi_v7_defconfig > has it enabled so I guess exynos may do it as well. Err? Why did you include my response as commit message? It does not really make sense. Let me point this once again: 1. The commit message is inaccurate because CONFIG_LOCKUP_DETECTOR does not validate the locks. 2. Please write proper commit message describing WHY you want to add this config option. Best regards, Krzysztof > > 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
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