Arjan van de Ven wrote:
On Wed, 2006-07-12 at 13:00 +0200, Petr Vandrovec wrote:
Sam Ravnborg wrote:
To make sure user is building modules for kernel it is really using. Without
this test users were building modules for kernels they have run years ago, and
then complained that modules do not fit to running kernel, or that kernel
crashes when they do 'insmod -f ...'... So perl wrapper passes linux/version.h
through C preprocessor and compares resulting UTS_RELEASE with `uname -r`, and
complains loudly if they do not match.
isn't this exactly what VERMAGIC is for instead?
In newer kernels only. We still support 2.2.x kernels, and to find kernel version
you have to parse some kernel headers... And unfortunately vermagic mismatch is
printed into `dmesg` only, so it takes several iterations until customer is able
to pinpoint problem down (to 586/686 mismatch, for example).
Petr
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