Hidehiro Kawai <[email protected]> writes: > You can call panic notifiers and kmsg dumpers before kdump by > specifying "crash_kexec_post_notifiers" as a boot parameter. > However, it doesn't make sense if kdump is not available. In that > case, disable "crash_kexec_post_notifiers" boot parameter so that > you can't change the value of the parameter.
Nacked-by: "Eric W. Biederman" <[email protected]> You are confusing kexec on panic and CONFIG_CRASH_DUMP which is about the tools for reading the state of the previous kernel. Eric > Signed-off-by: Hidehiro Kawai <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Eric Biederman <[email protected]> > Cc: Vivek Goyal <[email protected]> > --- > kernel/panic.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/kernel/panic.c b/kernel/panic.c > index 04e91ff..5252331 100644 > --- a/kernel/panic.c > +++ b/kernel/panic.c > @@ -502,12 +502,14 @@ __visible void __stack_chk_fail(void) > core_param(pause_on_oops, pause_on_oops, int, 0644); > core_param(panic_on_warn, panic_on_warn, int, 0644); > > +#ifdef CONFIG_CRASH_DUMP > static int __init setup_crash_kexec_post_notifiers(char *s) > { > crash_kexec_post_notifiers = true; > return 0; > } > early_param("crash_kexec_post_notifiers", setup_crash_kexec_post_notifiers); > +#endif > > static int __init oops_setup(char *s) > { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
