linux-kernel - RE: [PATCH] mce: fix missing stack-dumping in mce

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Message-ID: <SJ1PR11MB60839243ADBEA755203CC352FCF99@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date:   Sun, 8 Jan 2023 17:54:55 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
CC:     "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        Borislav Petkov <bp@...en8.de>
Subject: RE: [PATCH] mce: fix missing stack-dumping in mce_panic()

> As a first step, let's change the current behavior of no stack dumps first? And then,
> we could try to achieve #1 preference if possible.

Ok. Repost the patch that fixes things for an oops dump for every mce_panic().

Maybe then I can look at some way to suppress the oops dump for the "useless"
cases? Or perhaps at least add an extra message that stack dumps from arbitrary
machine checks are rarely useful.

-Tony