linux-kernel - Re: [PATCH] ARM: multi_v7

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Message-ID: <CABxcv=mTMi=yOD_ZmO73P7V9skhuedf8yfxbPbQuoreJMRdCoQ@mail.gmail.com>
Date:	Thu, 20 Nov 2014 14:05:15 +0100
From:	Javier Martinez Canillas <javier@...hile0.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Soren Brinkmann <soren.brinkmann@...inx.com>,
	Olof Johansson <olof@...om.net>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: multi_v7_defconfig: Enable cgroups

Hello,

On Thu, Nov 20, 2014 at 1:54 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Monday 17 November 2014, Soren Brinkmann wrote:
>> This allows booting the kernel with systemd-based root file systems.
>>
>> Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
>> ---
>> Hi,
>>
>> I don't know whether I'm the only one, but I use a initramfs with
>> systemd as init, which requires cgroup support in the kernel to fully
>> boot.
>>
>
> You probably are at this time, but I expect it to get more common
> in the future, I don't think enabling this is controversial at all.
>

Others are using it but with SoC specific defconfig and not multi_v7.

Newer version of systemd needs more config symbols to be enabled
besides cgroups, the full list is at
http://cgit.freedesktop.org/systemd/systemd/tree/README.

Tony recently added the recommended support to OMAP2+ defconfig so
something along these lines should be added to multi_v7 as a
follow-up:

673ce00c ("ARM: omap2plus_defconfig: Add support for distros with systemd")

Best regards,
Javier
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