> -----Original Message----- > From: Masami Hiramatsu [mailto:masami.hiramatsu...@hitachi.com] > Sent: Wednesday, April 16, 2014 8:13 PM > To: linux-kernel@vger.kernel.org; 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 <masami.hiramatsu...@hitachi.com> > Cc: Eric Biederman <ebied...@xmission.com> > Cc: Vivek Goyal <vgo...@redhat.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: Yoshihiro YUNOMAE <yoshihiro.yunomae...@hitachi.com> > Cc: Satoru MORIYA <satoru.moriya...@hitachi.com> > Cc: Motohiro Kosaki <motohiro.kos...@us.fujitsu.com> > Cc: Tomoki Sekiyama <tomoki.sekiy...@hds.com>
I have no objection. Acked-by: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com>
