[PATCH] print kdump kernel loaded status in stack dump

[Steven Rostedt]

On Thu, 18 Jan 2018 10:02:17 -0800
Andi Kleen <ak at linux.intel.com> wrote:

> Dave Young <dyoung at redhat.com> writes:
> >  		printk("%sHardware name: %s\n",
> >  		       log_lvl, dump_stack_arch_desc_str);
> > +	if (kexec_crash_loaded())
> > +		printk("%skdump kernel loaded\n", log_lvl);  
> 
> Oops/warnings are getting longer and longer, often scrolling away
> from the screen, and if the kernel crashes backscroll does not work
> anymore, so precious information is lost.
> 
> Can you merge it with some other line?
> 
> Just a [KDUMP] or so somewhere should be good enough.

Or perhaps we should add it as a TAINT. Not all taints are bad.

-- Steve