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Darwish" Cc: Dave Hansen , Ingo Molnar , Thomas Gleixner , Andrew Cooper , "H. Peter Anvin" , Christian Ludloff , Maciej Wieczor-Retman , Sohil Mehta , John Ogness , x86@kernel.org, x86-cpuid@lists.linux.dev, LKML Subject: Re: [PATCH v7 017/120] x86/cpuid: Introduce a parser debugfs interface Message-ID: <20260618192058.GEajRFGlay3L0PDwBF@fat_crate.local> References: <20260528153923.403473-1-darwi@linutronix.de> <20260528153923.403473-18-darwi@linutronix.de> <20260617044123.GBajIlc_E_bvkArzS4@fat_crate.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: 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/ -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette