On 28/09/2026 14:55, Zack Rusin wrote: > Provide an escape hatch for debugging kdump failures that may involve > pre-kdump callbacks. Add panic_pre_kdump_postpone to skip their early > invocation in crash core without consuming the once-only guard. > > When enabled, the chain runs before kdump only when > crash_kexec_post_notifiers is also enabled. Leave the late panic call > unchanged so callbacks remain eligible if that path is reached. > Skipping the callbacks may prevent hypervisor crash handling. > > Suggested-by: Guilherme G. Piccoli <[email protected]> > Link: > https://lore.kernel.org/r/[email protected] > Signed-off-by: Zack Rusin <[email protected]> > --- > New in v2: optional postponement policy suggested by Guilherme. > > Documentation/admin-guide/kernel-parameters.txt | 14 ++++++++++++++ > include/linux/panic_notifier.h | 1 + > kernel/crash_core.c | 3 ++- > kernel/panic.c | 2 ++ > 4 files changed, 19 insertions(+), 1 deletion(-) >
Thanks for implementing this! It makes sense to me...though I have some "conflicting" comments in patch #2 heh Cheers, Guilherme
