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From: Sekhar Nori <nsekhar@ti.com>
To: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Cc: Tony Lindgren <tony@atomide.com>,
	Russell King <linux@arm.linux.org.uk>,
	Santosh Shilimkar <santosh.shilimkar@ti.com>,
	Kevin Hilman <khilman@ti.com>,
	linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 1/1] ARM: OMAP2+: enable devtmpfs and devtmpfs automount
Date: Tue, 27 Nov 2012 14:04:31 +0530	[thread overview]
Message-ID: <50B47B17.2040608@ti.com> (raw)
In-Reply-To: <1353504411-19811-1-git-send-email-javier.martinez@collabora.co.uk>

On 11/21/2012 6:56 PM, Javier Martinez Canillas wrote:
> Since udev-182, udev no longer creates device nodes under /dev

Nit: Looks like this happened from udev-176 onward.

http://permalink.gmane.org/gmane.linux.hotplug.devel/17230

Whoever is taking the patch can _probably_ fix it up while applying.

> and this has to be managed by the kernel devtmpfs filesystem.
> 
> This means that a kernel built with the current OMAP2+ config
> will not boot on a system with a recent udev.

> Also, it is good to have /dev automatically mounted since some
> non-initramfs based setups assumes this and don't manually mount it.

For curiosity sake, any examples of such setups? I am using fedora 17 on
DaVinci and that doesn't seem to need it. Anyway, agreed that its better
to keep it enabled.

Thanks,
Sekhar

WARNING: multiple messages have this Message-ID (diff)
From: nsekhar@ti.com (Sekhar Nori)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: OMAP2+: enable devtmpfs and devtmpfs automount
Date: Tue, 27 Nov 2012 14:04:31 +0530	[thread overview]
Message-ID: <50B47B17.2040608@ti.com> (raw)
In-Reply-To: <1353504411-19811-1-git-send-email-javier.martinez@collabora.co.uk>

On 11/21/2012 6:56 PM, Javier Martinez Canillas wrote:
> Since udev-182, udev no longer creates device nodes under /dev

Nit: Looks like this happened from udev-176 onward.

http://permalink.gmane.org/gmane.linux.hotplug.devel/17230

Whoever is taking the patch can _probably_ fix it up while applying.

> and this has to be managed by the kernel devtmpfs filesystem.
> 
> This means that a kernel built with the current OMAP2+ config
> will not boot on a system with a recent udev.

> Also, it is good to have /dev automatically mounted since some
> non-initramfs based setups assumes this and don't manually mount it.

For curiosity sake, any examples of such setups? I am using fedora 17 on
DaVinci and that doesn't seem to need it. Anyway, agreed that its better
to keep it enabled.

Thanks,
Sekhar

  reply	other threads:[~2012-11-27  8:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21 13:26 [PATCH 1/1] ARM: OMAP2+: enable devtmpfs and devtmpfs automount Javier Martinez Canillas
2012-11-21 13:26 ` Javier Martinez Canillas
2012-11-27  8:34 ` Sekhar Nori [this message]
2012-11-27  8:34   ` Sekhar Nori
2012-11-27  9:20   ` Javier Martinez Canillas
2012-11-27  9:20     ` Javier Martinez Canillas
2012-12-14 18:10 ` Tony Lindgren
2012-12-14 18:10   ` Tony Lindgren
2012-12-14 18:16   ` Javier Martinez Canillas
2012-12-14 18:16     ` Javier Martinez Canillas

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