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Linux Kernel Driver Database and AutoKernConf




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AutoKernConf: Automagical Kernel Configuration

do it for me

About AutoKernConf

AutoKernConf is an attempt to help user to find an optimal configuration of Linux kernels. It can help you to find what configuration option (and what driver) you need for your hardware.

Nowaday it is not easy to have such information, either because kernel drivers tend to have the name of the first (and now obsolete) supported device of a class, and the vendors sell cloned devices, without telling the user what chips (and compatibility) are build in the pieces of hardware.

The actual AutoKernConf is not so powerfull as the older version: the earlier versions (in 2000 and 2001) were more powerfull (but with newer hardware), so I'll forward-port some of the old (and non so driver database driven) feature, it need some new euristics to find what people want to configure, and probably should take information about previous udev runs.

AutoKernConf is an direct application of the LKDDb: Linux Kernel Driver DataBase.


Getting the programs

The program is in sources/autokernconf/. It consists of two files:
a shell script with detect the actual hardware. It doesn't try to direct probe the harware, but it look for what the kernel know (attached on the various busses), so it should be safe.
a shell script that compare the result of the just discussed, with the LKDDb database, to find some needed drivers.

We choose to use two programs, so that user can run the detection on a target machine, and compile the kernel in an other machine. This choice allow also to make multiple (in time) detections, i.e. to attach new devices (i.e. for USB devices if the USB slot was not enough, docked and undocked laptop modes, ...).



to detect actual hardware. Now the program heavily depends on the /sys/ filesystem, so you need a recent Linux kernel (a 2.6 linux kernel). Using the /sys simplify the detection: there are no direct hardware probes, so there is no (I hope) risk of crashes.


This program will read the lkddb.list and the kdetect.list. It will create an which includes the detected kernel configuration items.

NOTE: You need a lkddb.list hardware list from sources/lkddb/.

The is a slow shell script, because now it execute a probe for every database entry, and usually this probe requires a new call of grep shell utility. Probably it should be rewritten in a more efficient way, but still portable. How?


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