[PATCH] Automatic kernel version module dependencies..

[Attilio Rao]

2008/2/10, Dag-Erling Smørgrav <des at des.no>:
> "M. Warner Losh" <imp at bsdimp.com> writes:
>  > Dag-Erling_Smørgrav <des at des.no> writes:
>
> > > ...provided they were built from the same config...  I think
>  > > MUTEX_PROFILING has been fixed, but there may still be cases where
>  > > the 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)?
>
>
> Here's one I found: DEBUG_LOCKS changes the size of struct lock, which
>  changes the size and layout of struct vnode.

Yes, this is a particulary annoying breakage.
Next generation lockmgr won't have this problem, though, but I think
what really matters for you are past versions, where nothing magic can
be done.

Attilio


-- 
Peace can only be achieved by understanding - A. Einstein