Re: [PATCH v7 017/120] x86/cpuid: Introduce a parser debugfs interface
From: Ahmed S. Darwish
Date: Thu Jun 18 2026 - 15:28:01 EST
On Thu, 18 Jun 2026, Borislav Petkov wrote:
>
> On Thu, Jun 18, 2026 at 09:11:48PM +0200, Ahmed S. Darwish wrote:
> > On Tue, 16 Jun 2026, Borislav Petkov wrote:
> > >
> > > Except that debugfs *can* become an ABI if something ends up using it,
> > > despite all of my WTFs recently.
> > >
> > > So I think this patch belongs out-of-tree, to be applied only when we
> > > want to dump stuff but not have it in-tree casually...
> > >
> >
> > This shall help with tricky future bug reports to ensure that all the
> > tables are in a sane state. This is especially true for cases where the
> > tables need a refresh but they were not refreshed for one reason or
> > another. Maciej just reported a case like that at the late part of the
> > patch queue thanks to this.
> >
> > Can we at least keep this under a kconfig option that defaults to N?
>
> You tell me:
>
> https://lwn.net/Articles/309298/
>
Yeah, fair enough.
I'll include this patch then at the very end of v8 so that people can
still easily test the series. I'll note that it's not to be merged.
Thanks!
Ahmed