Re: [PATCH] print kdump kernel loaded status in stack dump

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On 01/18/18 at 01:57pm, Steven Rostedt wrote:
> On Thu, 18 Jan 2018 10:02:17 -0800
> Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
> 
> > Dave Young <dyoung@xxxxxxxxxx> 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.

Hmm, I also thought about this before but It sounds like not match the
"tainted" meaning with the assumption that it is bad :(

Maybe it would be better to do like Andi said, but print a better word
than "KDUMP", eg. "Kdumpable" sounds better.  If this is fine I can
repost the patch.

> 
> -- Steve

Thanks
Dave

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