* Takenori Nagano <t-nagano at ah.jp.nec.com> [2007-08-16 11:26]: > Vivek Goyal wrote: > > - Modify Kdump to register on die_chain list. > > - Modify Kdb to register on die_chain list. > > - Export all the registered members of die_chain through sysfs along with > > their priorities. Priorities should be modifiable. Most likely one > > shall have to introduce additional field in struct notifier_block. This > > field will be a string as an identifier of the user registerd. e.g > > "Kdump", "Kdb" etc. > > > > Now user will be able to view all the die_chain users through sysfs and > > be able to modify the order in which these should run by modifying their > > priority. Hence all the RAS tools can co-exist. > > This is my image of your proposal. > > - Print current order > > # cat /sys/class/misc/debug/panic_notifier_list > priority name > 1 IPMI > 2 watchdog > 3 Kdb > 4 Kdump I think something like /sys/class/misc/debug/panic_notifier/ipmi/priority /sys/class/misc/debug/panic_notifier/watchdog/priority /sys/class/misc/debug/panic_notifier/kdb/priority /sys/class/misc/debug/panic_notifier/kdump/priority would be better. It's more self-describing if you want to change the order. Thanks, Bernhard
