linux-kernel - Re: [PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP

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Date:	Tue, 13 Jan 2015 09:18:08 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Anand Moon <moon.linux@...oo.com>
Cc:	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Doug Anderson <dianders@...omium.org>,
	Sachin Kamat <sachin.kamat@...sung.com>,
	Vivek Gautam <gautam.vivek@...sung.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Tushar Behera <tushar.behera@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP_DETECTOR.

On wto, 2015-01-13 at 00:20 +0530, Anand Moon wrote:
> 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@...sung.com>
> Signed-off-by: Anand Moon <moon.linux@...oo.com>

Now it looks okay. My reviewed-by may stay on.

Best regards,
Krzysztof

> ---
>  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

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