Linux Samsung SOC development
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From: Anand Moon <moon.linux@yahoo.com>
To: Russell King <linux@arm.linux.org.uk>,
	Kukjin Kim <kgene@kernel.org>,
	Javier Martinez Canillas <javier.martinez@collabora.co.uk>,
	Doug Anderson <dianders@chromium.org>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Sachin Kamat <sachin.kamat@samsung.com>,
	Anand Moon <moon.linux@yahoo.com>,
	Vivek Gautam <gautam.vivek@samsung.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Tushar Behera <tushar.behera@linaro.org>
Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP_DETECTOR.
Date: Tue, 13 Jan 2015 00:20:14 +0530	[thread overview]
Message-ID: <1421088614-4662-1-git-send-email-moon.linux@yahoo.com> (raw)

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@samsung.com>
Signed-off-by: Anand Moon <moon.linux@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

             reply	other threads:[~2015-01-12 18:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-12 18:50 Anand Moon [this message]
2015-01-13  8:18 ` [PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP_DETECTOR Krzysztof Kozlowski
2015-01-24  4:55   ` Kukjin Kim

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