Bernhard Walle wrote: > * Takenori Nagano <t-nagano at ah.jp.nec.com> [2007-08-14 10:34]: >> Vivek Goyal wrote: >>> On Fri, Aug 03, 2007 at 02:05:47PM +1000, Keith Owens wrote: >>> >>> >>> To sum up, couple of options come to mind. >>> >>> - Register all the RAS tools on die notifier and panic >>> notifier lists with fairly high priority. Export list >>> of RAS tools to user space and allow users to decide the >>> order of execution and priority of RAS tools. >>> >>> - Create a separate RAS tool notifier list (ras_tool_notifer_list). >>> All the RAS tools register on this list. This list gets priority >>> over die or panic notifier list. User decides the oder of execution >>> of RAS tools. >>> >>> Here assumption is that above list will not be exported to modules. >>> All the RAS tools will be in kernel and they always get a priority >>> to inspect an event. >>> >>> What do others think? >> Very good idea. But there is a problem how to give default priority to RAS tools. >> >> How about priority changeable notifier_list? User can change list order >> dynamically if they want. Of course, we have to give highest priority to kdump >> by default. It is very useful for users who want to use some RAS tools. > > I think that was the idea of the first ?-? (?export list of RAS tools > to user space?). Ah, sorry. I think first idea is very good. How export the list? (sysfs? procfs?)