linux-kernel - Re: [PATCH] ghes: Track number of recovered hardware errors

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Message-ID: <20250714173556.GQaHU__LL6IUIPCDIW@fat_crate.local>
Date: Mon, 14 Jul 2025 19:35:56 +0200
From: Borislav Petkov <bp@...en8.de>
To: "Luck, Tony" <tony.luck@...el.com>
Cc: Breno Leitao <leitao@...ian.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>, James Morse <james.morse@....com>,
	"Moore, Robert" <robert.moore@...el.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"acpica-devel@...ts.linux.dev" <acpica-devel@...ts.linux.dev>,
	"kernel-team@...a.com" <kernel-team@...a.com>
Subject: Re: [PATCH] ghes: Track number of recovered hardware errors

On Mon, Jul 14, 2025 at 05:33:45PM +0000, Luck, Tony wrote:
> > If you're going to do this, then you can perhaps make this variable always
> > present so that you don't need an export and call it "hardware_errors_count"
> > or so and all machinery which deals with RAS - GHES, MCE, AER, bla, can
> > increment it...
> 
> Not sure I'd want to see all the different classes of errors bundled together
> in a single count.  I think MCE recovery is quite robust and rarely leads to
> subsequent kernel problems.

That's what I said. And a RAS tool can give that info already.

But for some reason Breno still wants that info somewhere else.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette