[Buildroot] [PATCH v7 4/4] manual: update /dev management section.
Eric Le Bihan
eric.le.bihan.dev at free.fr
Fri Feb 7 13:21:35 UTC 2014
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 | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/docs/manual/configure.txt b/docs/manual/configure.txt
index 89df3d9..9b8135a 100644
--- a/docs/manual/configure.txt
+++ b/docs/manual/configure.txt
@@ -216,7 +216,7 @@ x86_64 target, you have to generate a cross-compilation toolchain with
Buildroot or crosstool-NG.
If you want to generate a custom toolchain for your project, that can
-be used as an external toolchain in Buildroot, our recommandation is
+be used as an external toolchain in Buildroot, our recommendation is
definitely to build it with http://crosstool-ng.org[crosstool-NG]. We
recommend to build the toolchain separately from Buildroot, and then
_import_ it in Buildroot using the external toolchain backend.
@@ -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
+The Buildroot developers recommendation is to start with the *Dynamic
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
~~~~~~~~~~~
--
1.7.9.5
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