linux-kernel - Re: [PATCH 1/2] ARM: exynos_defconfig: Enable Control Groups support

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Message-ID: <540DA45E.1040702@collabora.co.uk>
Date:	Mon, 08 Sep 2014 14:43:10 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Andreas Färber <afaerber@...e.de>,
	Kukjin Kim <kgene.kim@...sung.com>
CC:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: exynos_defconfig: Enable Control Groups support

Hello Andreas,

On 08/27/2014 06:10 PM, Andreas Färber wrote:
> Am 27.08.2014 13:02, schrieb Javier Martinez Canillas:
>> systemd needs control groups support to be enabled in the
>> kernel so let's enable it by default since is quite likely
>> that a user-space with systemd will be used.
>> 
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
>> ---
>>  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 676c744..590abde 100644
>> --- a/arch/arm/configs/exynos_defconfig
>> +++ b/arch/arm/configs/exynos_defconfig
>> @@ -1,6 +1,7 @@
>>  CONFIG_SYSVIPC=y
>>  CONFIG_NO_HZ=y
>>  CONFIG_HIGH_RES_TIMERS=y
>> +CONFIG_CGROUPS=y
>>  CONFIG_BLK_DEV_INITRD=y
>>  CONFIG_KALLSYMS_ALL=y
>>  CONFIG_MODULES=y
> 
> CONFIG_FHANDLE=y is also needed for systemd to get a serial console.
> multi_v7 has that already.
> 

That's a requirement for systemd >= 209 AFAIK. I've systemd 208 on my debian
jessie and it works without it.

I agree that it should be included but I think it can be in a follow-up patch.

> Regards,
> Andreas
> 

Best regards,
Javier
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