Re: Driver callback routine when panic() is called

[Georg Nikodym]

On Sat, 2001-11-17 at 06:38, Keith Owens wrote:
> On Fri, 16 Nov 2001 20:30:23 -0500, 
> "Pinyowattayakorn, Naris" <[e-mail]> wrote:
> >Is there any call that can be used for a driver to register system crash
> >callback routines. Thus, If panic( ) is called, such a callback can save
> >device-state information to be written into the system crash dump file. 
> 
> notifier_chain_register(&panic_notifier_list, ...)

Pat O'Rourke also posted a patch[1] that exposes this nicely
(panic_notifier_list is currently static in panic.c).

I've been using this on architectures for which I don't yet have kdb.

[1] http://www.uwsg.iu.edu/hypermail/linux/kernel/0106.1/0978.html