Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: How to check the kernel compile options ? | Date | Wed, 13 Feb 2002 19:26:03 +0100 |
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On February 13, 2002 07:09 pm, Randy.Dunlap wrote: > On Wed, 13 Feb 2002, Richard B. Johnson wrote: > > | On Wed, 13 Feb 2002, Horst von Brand wrote: > | > | > Daniel Phillips <phillips@bonn-fries.net> said: > | > > On February 12, 2002 05:38 pm, Bill Davidsen wrote: > | > > | > [...] > | [SNIPPED...] > | > | My idea is to take the .config file and remove most of its > | redundancy and unnecessary verbage. Then, the result is > | compressed and written to a constant global array, linked > | into the kernel. Both the array and the array length will then > | be available from /proc/kcore for user-mode tools to recreate the > | .config file. > > This is a bit similar to what I did last weekend (and attach > here). Mine goes into the kernel boot file, however, so that > it can be read even when the kernel isn't running. > > I'll experiment with ideas from Andreas (thanks) or Ian Soboroff > to create a userspace get-config tool. > > One small nit: you say "user-mode tools", but /proc/kcore > is read-only for root only -- right? > That's not desirable or required IMO.
Binary proc or a char device would be a much better idea, and of those binary proc seems the most elegant, something like:
cat /proc/binary/kernel/config | kernelconfig > .config
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