[PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP_DETECTOR.

[Anand Moon]

On enabling CONFIG_LOCKUP_DETECTOR the kernel to act as a watchdog
to detect hard and soft lockups. Enabling CONFIG_LOCKUP_DETECTOR
don't introduce much overhead on exyons SOC.

CONFIG_LOCKUP_DETECTOR is enabled on multi_v7_defconfig.

Changes since v3:
 * Made commit message more clear
 * Corrected difference between CONFIG_LOCKUP_DETECTOR and CONFIG_LOCKDEP.

Tested on Exynos5422 ODROID XU3 board.

Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
Signed-off-by: Anand Moon <moon.linux at yahoo.com>
---
 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..64b2fe9 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -182,6 +182,7 @@ CONFIG_DETECT_HUNG_TASK=y
 CONFIG_DEBUG_RT_MUTEXES=y
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
+CONFIG_LOCKUP_DETECTOR=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_USER=y
 CONFIG_CRYPTO_SHA256=y
-- 
2.1.0