* 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?). Thanks, Bernhard
