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Date: Sat, 09 Feb 2008 16:08:17 -0700 (MST)
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To: des@des.no
From: "M. Warner Losh" <imp@bsdimp.com>
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References: <200802081802.54313.jhb@freebsd.org>
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Cc: arch@freebsd.org
Subject: Re: [PATCH] Automatic kernel version module dependencies..
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In message: <86sl02e736.fsf@ds4.des.no>
            Dag-Erling_Sm=F8rgrav <des@des.no> writes:
: John Baldwin <jhb@freebsd.org> writes:
: > So one of the things that people run into periodically are problems=

: > with mismatched kernels and modules.  My understanding of our kerne=
l
: > module ABI compatibility is that if you build a module on in a X.Y
: > build environment the module should work fine for all kernels with
: > version X.Z where Z >=3D Y.
: =

: ...provided they were built from the same config...  I think
: MUTEX_PROFILING has been fixed, but there may still be cases where th=
e
: ABI changes dependening on kernel options.

These are usually well documented.  But I can't find any in the
current doc set.  Maybe you could point me at options that do this so
we can document them (and maybe add a #warning when compiling with
them)?

Warner