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/proc/configs missing, CONFIG_IKCONFIG=m + modprobe configs?
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eccerr0r
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PostPosted: Mon Mar 04, 2013 8:35 am    Post subject: /proc/configs missing, CONFIG_IKCONFIG=m + modprobe configs? Reply with quote

I just built 3.7.9 for an x86_64 target. I had

CONFIG_IKCONFIG=m
# CONFIG_IKCONFIG_PROC is not set

but when I booted the kernel I modprobed configs.ko, /proc/configs does not show up...

Any ideas what's going on here? Previously I had IKCONFIG_PROC set and /proc/configs.gz shows up.. but odd that the uncompressed version doesn't work?
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Genone
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PostPosted: Mon Mar 04, 2013 10:11 am    Post subject: Reply with quote

The first option only stores the config within the kernel, you need the second option to access it via /proc (see http://cateee.net/lkddb/web-lkddb/IKCONFIG.html how to access it without /proc)
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eccerr0r
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PostPosted: Mon Mar 04, 2013 3:42 pm    Post subject: Reply with quote

The weird part I don't understand if that's the only way to access it, is if building this as a module, that data is not in the kernel and cannot be extracted in that manner. Thus it sort of "useless" to build it as a module and not select the /proc/config.gz option under it...

Oh well, thanks, was wondering if I was overlooking something but it would be nice if Kconfig mentioned to never build IKCONFIG as 'm' if IKCONFIG_PROC is not also set.
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