RE: [PATCH v1 2/4] x86/mce: dump error msg from severities

[Luck, Tony]

> > This is called from the #MC handler. Is that a safe context to print a console
> > message? It wasn't in the past, but maybe changes to how console messages
> > are handled have changed this.
> >
> > -Tony
>
> #MC is a kind of NMI context, as far as I know, since
>
> commit 42a0bb3f71383b457a7db362f1c69e7afb96732b
> printk/nmi: generic solution for safe printk in NMI
>
> print a console message is safe.
>
> Please correct me if I missed anything.

wow, that's v4.7 (ancient history). I thought I'd had issues with debug
messages in the machine check handler more recently than that, but
perhaps I'm misremembering.

-Tony