[Buildroot] [PATCH v6 5/5] manual: update /dev management section.
Thomas De Schampheleire
patrickdepinguin at gmail.com
Mon Feb 3 22:14:23 UTC 2014
Hi Eric,
On Mon, Jan 13, 2014 at 4:45 PM, Eric Le Bihan
<eric.le.bihan.dev at free.fr> wrote:
> This patch updates the /dev management section in the manual with information
> about eudev, which replaces udev.
>
> Signed-off-by: Eric Le Bihan <eric.le.bihan.dev at free.fr>
> ---
> docs/manual/configure.txt | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/docs/manual/configure.txt b/docs/manual/configure.txt
> index 89df3d9..32a12ce 100644
> --- a/docs/manual/configure.txt
> +++ b/docs/manual/configure.txt
> @@ -310,22 +310,24 @@ different solutions to handle the +/dev+ directory :
> about +mdev+ and the syntax of its configuration file, see
> http://git.busybox.net/busybox/tree/docs/mdev.txt.
>
> - * The fourth solution is *Dynamic using udev*. This method also
> + * The fourth solution is *Dynamic using eudev*. This method also
> relies on the _devtmpfs_ virtual filesystem detailed above, but
> - adds the +udev+ userspace daemon on top of it. +udev+ is a daemon
> + adds the +eudev+ userspace daemon on top of it. +eudev+ is a daemon
> that runs in the background, and gets called by the kernel when a
> device gets added or removed from the system. It is a more
> - heavyweight solution than +mdev+, but provides higher flexibility
> - and is sometimes mandatory for some system components (systemd for
> - example). +udev+ is the mechanism used in most desktop Linux
> - distributions. For more details about +udev+, see
> - http://en.wikipedia.org/wiki/Udev.
> + heavyweight solution than +mdev+, but provides higher flexibility.
> + +eudev+ is a standalone version of +udev+, the original userspace
> + daemon used in most desktop Linux distributions, which is now part
> + of Systemd. For more details, see http://en.wikipedia.org/wiki/Udev.
>
> The Buildroot developers recommandation is to start with the *Dynamic
recommendation
(not changed by your patch, but would be nice to fix at the same time).
> using devtmpfs only* solution, until you have the need for userspace
> to be notified when devices are added/removed, or if firmwares are
> needed, in which case *Dynamic using mdev* is usually a good solution.
>
> +Note that if +systemd+ is chosen as init system, /dev management will
> +be performed by the +udev+ program provided by +systemd+.
> +
> init system
> ~~~~~~~~~~~
>
Best regards,
Thomas
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