RE: [tip: x86/boot] x86/boot: Ignore NMIs during very early boot

[NOMURA JUNICHI(野村 淳一)]

> > From: Ingo Molnar <mingo.kernel.org@xxxxxxxxx>
> > * Borislav Petkov <bp@xxxxxxxxx> wrote:
> > > On Thu, Nov 30, 2023 at 08:59:44AM -0000, tip-bot2 for Jun'ichi Nomura wrote:
> > > > +void do_boot_nmi_trap(struct pt_regs *regs, unsigned long error_code)
> > > > +{
> > > > +	/* Empty handler to ignore NMI during early boot */
> > >
> > > It might be good to issue something here to say that a spurious NMI got
> > > ignored.
> > >
> > > Something ala
> > >
> > > 	error_putstr("Spurious early NMI ignored.\n");
> > >
> > > so that we at least say that we ignored an NMI and not have it disappear
> > > unnoticed.
> >
> > That makes sense. Jun'ichi-san, could you please send a patch for this?
> 
> Thank you for comments.  I currently don't have an environment to send a
> patch without white space damage.  Could it be possible for you to apply
> the attached one?

Sorry for the noise.  Finally I could send it out here without broken tabs.
https://lore.kernel.org/lkml/ZaEe8FC767f+sxRQ@xxxxxxxxxxxxxxxxxxxxxxxxxxx/

--
Jun'ichi Nomura, NEC Corporation / NEC Solution Innovators, Ltd.

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