* Borislav Petkov <b...@alien8.de> wrote:
> On Sun, Oct 22, 2017 at 01:04:38PM +0200, Ingo Molnar wrote:
> > Any objections to me adding a printk message that we applied a fix?
> >
> > pr_info("x86/cpu/AMD: CPU erratum 688 worked around\n");
> >
> > or so?
> >
> > That would also create some pressure for customers to prod manufacturers to
> > prod
> > BIOS makers to fix the erratum in a BIOS update or so.
>
> Adding that would be purely useless because F14h is long out of
> production AFAIK. Especially those earlier models.
I've still added it, just out of principle - every time the kernel modifies low
level state in a rare fashion we should advertise it:
pr_info("x86/cpu/AMD: CPU erratum 688 worked around\n");
if it doesn't matter (which is likely as you say) then the message won't matter
really.
Thanks,
Ingo
