update SUSE rules

[elogind.git] / README

diff --git a/README b/README
index 21a6c186dc91292d5bf000fcade7be2ef7e9a9ab..7ac1d4509ccfbed7877e9efb2d3140d76da032d9 100644 (file)
--- a/README
+++ b/README
@@ -4,13 +4,12 @@ For more information see the files in the docs/ directory.
 
 Important Note:
   Integrating udev in the system is a whole lot of work, has complex dependencies
 
 Important Note:
   Integrating udev in the system is a whole lot of work, has complex dependencies

-  and differs a lot from distro to distro. All reasonable distros depend on udev
-  these days and the system will not work without it.
-
-  The upstream udev project does not support or recomend to replace a distro's udev
-  installation with the upstream version. The installation of a unmodified upstream
-  version may render your system unusable! There is no "default" setup or a set
-  of "default" rules provided by the upstream udev version.
+  and differs a lot from distro to distro. All major distros depend on udev these
+  days and the system may not work without a proper installed version. The upstream
+  udev project does not support or recomend to replace a distro's udev installation
+  with the upstream version. The installation of a unmodified upstream version may
+  render your system unusable. Until now, there is no "default" setup or a set of
+  "default" rules provided by the upstream udev version.

 
 Requirements:
   - 2.6.x version of the Linux kernel. See the RELEASE-NOTES file in the
 
 Requirements:
   - 2.6.x version of the Linux kernel. See the RELEASE-NOTES file in the


@@ -19,7 +18,7 @@ Requirements:
 
   - The kernel must have sysfs and unix domain socket enabled.
     (unix domain sockets (CONFIG_UNIX) as a loadable kernel module may work,
 
   - The kernel must have sysfs and unix domain socket enabled.
     (unix domain sockets (CONFIG_UNIX) as a loadable kernel module may work,

-     but it is completely silly, don't complain if anything goes wrong.)
+     but it is completely silly - don't complain if anything goes wrong.)

 
   - The proc filesystem must be mounted on /proc.
 
 
   - The proc filesystem must be mounted on /proc.
 


@@ -31,9 +30,9 @@ Operation:
   Udev creates and removes device nodes in /dev, based on events the kernel
   sends out on device discovery or removal.
 
   Udev creates and removes device nodes in /dev, based on events the kernel
   sends out on device discovery or removal.
 

-  - Early in the boot process, /dev should get a tmpfs filesystem
-    mounted, which is populated from scratch by udev. Created nodes or
-    changed permissions will not survive a reboot, which is intentional.
+  - Early in the boot process, the /dev directory should get a tmpfs
+    filesystem mounted, which is populated from scratch by udev. Created nodes
+    or changed permissions will not survive a reboot, which is intentional.

 
   - The content of /lib/udev/devices directory which contains the nodes,
     symlinks and directories, which are always expected to be in /dev, should
 
   - The content of /lib/udev/devices directory which contains the nodes,
     symlinks and directories, which are always expected to be in /dev, should


@@ -50,8 +49,9 @@ Operation:
   - All kernel events are matched against a set of specified rules in
     /etc/udev/rules.d/ which make it possible to hook into the event
     processing to load required kernel modules and setup devices. For all
   - All kernel events are matched against a set of specified rules in
     /etc/udev/rules.d/ which make it possible to hook into the event
     processing to load required kernel modules and setup devices. For all

-    devices the kernel requests a device node, udev will create one with
-    the default name or the one specified by a matching udev rules.
+    devices the kernel exports a major/minor number, udev will create a
+    device node with the default kernel name or the one specified by a
+    matching udev rule.

 
 
 Compile Options:
 
 
 Compile Options:


@@ -66,9 +66,6 @@ Compile Options:
        If set to 'true', very verbose debugging messages will be compiled
        into the udev binaries. The actual level of debugging is specified
        in the udev config file.
        If set to 'true', very verbose debugging messages will be compiled
        into the udev binaries. The actual level of debugging is specified
        in the udev config file.

-  STRIPCMD
-       If udev is compiled for packaging an empty string can be passed
-       to disable the stripping of the binaries.

   USE_SELINUX
        If set to 'true', udev will be built with SELinux support
        enabled.  This is disabled by default.
   USE_SELINUX
        If set to 'true', udev will be built with SELinux support
        enabled.  This is disabled by default.


@@ -77,16 +74,13 @@ Compile Options:
        Default value is 'false'. KLCC specifies the klibc compiler
        wrapper, usually located at /usr/bin/klcc.
   EXTRAS
        Default value is 'false'. KLCC specifies the klibc compiler
        wrapper, usually located at /usr/bin/klcc.
   EXTRAS

-       If set, will build the "extra" helper programs as specified
-       as listed (see below for an example).
-
-If you want to build the udev helper programs:
-  make EXTRAS="extras/cdrom_id extras/scsi_id extras/volume_id"
+       list of helper programs in extras/ to build.
+        make EXTRAS="extras/cdrom_id extras/scsi_id extras/volume_id"

 
 
 Installation:
   - The install target intalls the udev binaries in the default locations,
 
 
 Installation:
   - The install target intalls the udev binaries in the default locations,

-    All at boot time reqired binaries will be installed in /sbin.
+    All at boot time reqired binaries will be installed in /lib/udev or /sbin.

 
   - The default location for scripts and binaries that are called from
     rules is /lib/udev. Other packages who install udev rules, should use
 
   - The default location for scripts and binaries that are called from
     rules is /lib/udev. Other packages who install udev rules, should use


@@ -97,12 +91,12 @@ Installation:
     That way, nodes for broken subsystems or devices which can't be
     detected automatically by the kernel, will always be available.
 
     That way, nodes for broken subsystems or devices which can't be
     detected automatically by the kernel, will always be available.
 

-  - Copies of the rules files for all major distros are in the etc/udev
-    directory (you may look there how others distros are doing it).
+  - Copies of the rules files for the major distros are provided as examples
+    in the etc/udev directory.

 
 

-  - The persistent disk links in /dev/disk are the de facto standard
-    on Linux and should be installed with every default udev installation.
-    The devfs naming scheme rules are not recommended and not supported.
+  - The persistent device naming links in /dev/disk/ are required by other
+    software that depends on the data udev has collected from the devices
+    and should be installed by default with every udev installation.

 
 Please direct any comment/question/concern to the linux-hotplug-devel mailing list at:
   linux-hotplug-devel@lists.sourceforge.net
 
 Please direct any comment/question/concern to the linux-hotplug-devel mailing list at:
   linux-hotplug-devel@lists.sourceforge.net