> -----Original Message----- > From: Masami Hiramatsu [mailto:[email protected]] > Sent: Wednesday, April 16, 2014 8:13 PM > To: [email protected]; Vivek Goyal; Eric Biederman > Cc: Andrew Morton; Yoshihiro YUNOMAE; Satoru MORIYA; Motohiro Kosaki; Tomoki > Sekiyama > Subject: [PATCH v2] kernel/panic: Add "crash_kexec_post_notifiers" option for > kdump after panic_notifers > > Add a "crash_kexec_post_notifiers" option to run kdump after running > panic_notifiers and dump kmsg. This can help rare situations > which kdump drops in failure because of unstable crashed kernel or hardware > failure (memory corruption on critical data/code), or > the 2nd kernel is already broken by the 1st kernel (it's a broken behavior, > but who can guarantee that the "crashed" kernel works > correctly?). > > Usage: add "crash_kexec_post_notifiers" to kernel boot option. > > Note that this actually increases risks of the failure of kdump. > This option should be set only if you worry about the rare case of kdump > failure rather than increasing the chance of success. > > Changes from v1: > - Rename late_kdump option to crash_kexec_post_notifiers. > - Remove unneeded warning message. > > Signed-off-by: Masami Hiramatsu <[email protected]> > Cc: Eric Biederman <[email protected]> > Cc: Vivek Goyal <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Yoshihiro YUNOMAE <[email protected]> > Cc: Satoru MORIYA <[email protected]> > Cc: Motohiro Kosaki <[email protected]> > Cc: Tomoki Sekiyama <[email protected]>
I have no objection. Acked-by: KOSAKI Motohiro <[email protected]>
