[PATCH] Automatic kernel version module dependencies..
jhb at freebsd.org
Mon Feb 11 16:20:42 PST 2008
On Monday 11 February 2008 03:48:14 pm Attilio Rao wrote:
> 2008/2/11, John Baldwin <jhb at freebsd.org>:
> > On Sunday 10 February 2008 06:24:37 am Dag-Erling Smørgrav wrote:
> > > "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, DEBUG_LOCKS, MUTEX_PROFILING (O.B.E), and PAE are the ones I know of.
> > could employ a similar strategy for these btw. For example, you could do
> > this for PAE:
> LOCK_PROFILING also, but only on 7.0.
Ah, ok, I had checked on HEAD.
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