Messages in this thread | | | Date | Thu, 25 Oct 2007 15:48:01 +0900 | From | Takenori Nagano <> | Subject | Re: [PATCH 0/2] add new notifier function ,take2 |
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Nick Piggin wrote: >>> Is it possible to use a single bit of common code and a single >>> notifier for these things? Or is it too difficult? >> > >> > I'm sorry, I can't understand your image well. I'd like to know details of >> > your image. > > Rather than have each of "RAS tools" have their own notifier, and have > the user specify the priority of the notifiers, introduce some layer > which _knows_ that, for example, only one of these subsystems will be > called (it could arbitrate, perhaps distinguish between destructive and > non-destructive ones). It would need only a single notifier, but would > then have a specific way of calling into the ras modules. > > Does this make sense? I guess it is a lot more work to do, so maybe your > solution is the best one for now.
Hi Nick,
Thank you for your explanation. I understand. :-)
This is crash_stop (the common infrastructure for debug tools) by Keith Owens. http://www.mail-archive.com/linux-arch@vger.kernel.org/msg01929.html
Is it same as your idea? I think it is very nice solution for debug tools conflict problem.
By the way, on old notify_chain, if admin wants to change the list order, admin have to recompile the kernel. My patches add new *generic* notify_chain which admin can modify the list order. My patches are not only for RAS tools problem.
I'm happy if both patches are merged into mainline. :-)
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