X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=README;h=00acf97c27e5405b5974a4c373b80f8113e17767;hp=74aa7901cf467e005a4eb2ac27560611f31528b4;hb=41677cf51fb2c14aa512ecf9410e43eb35560408;hpb=15c02d46f5b7061808c5d37753a2e6cb90f472c8 diff --git a/README b/README index 74aa7901c..00acf97c2 100644 --- a/README +++ b/README @@ -3,25 +3,22 @@ udev - userspace device management 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 - 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 recommend 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. + Integrating udev in the system has complex dependencies and differs from distro + to distro. All major distros depend on udev these days and the system may not + work without a properly installed version. The upstream udev project does not + recommend to replace a distro's udev installation with the upstream version. Requirements: - - Version 2.6.15 of the Linux kernel for reliable operation of this release of + - Version 2.6.18 of the Linux kernel for reliable operation of this release of udev. The kernel may have a requirement on udev too, see Documentation/Changes in the kernel source tree for the actual dependency. - The kernel must have sysfs, unix domain sockets and networking 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 does not make any sense - don't complain if anything goes wrong.) - The proc filesystem must be mounted on /proc, the sysfs filesystem must - be mounted at /sys. No other location will be supported by udev. + be mounted at /sys. No other locations are supported by udev. Operation: @@ -48,7 +45,7 @@ Operation: /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 exports a major/minor number, udev will create a - device node with the default kernel name or the one specified by a + device node with the default kernel name, or the one specified by a matching udev rule. @@ -74,24 +71,21 @@ Compile Options: Installation: - The install target intalls the udev binaries in the default locations, - All at boot time reqired binaries will be installed in /lib/udev or /sbin. + All 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 + rules is /lib/udev. Other packages who install udev rules, may use that directory too. - - It is recommended to use the /lib/udev/devices directory to place + - It is recommended to use the /lib/udev/devices/ directory to place device nodes and symlinks in, which are copied to /dev at every boot. 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 the major distros are provided as examples - in the etc/udev directory. - - - The persistent device naming links in /dev/disk/ are required by other - software that depends on the data udev has collected from the devices + - Default udev rules and persistent device naming rules are required by other + software that depends on the data udev collects 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 + linux-hotplug@vger.kernel.org