linux-kernel - RE: [PATCH 1/2] x86, mce, therm_throt: Optimize logging of thermal throttle messages

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Date:   Thu, 17 Oct 2019 23:53:18 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "bberg@...hat.com" <bberg@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>,
        "ckellner@...hat.com" <ckellner@...hat.com>
Subject: RE: [PATCH 1/2] x86, mce, therm_throt: Optimize logging of thermal
 throttle messages

> * we throttle the machine from within the kernel - whatever that may mean
> * if that doesn't help, we stop scheduling !root tasks
> * if that doesn't help, we halt

The silicon will do that "halt" step all by itself if the temperature
continues to rise and hits the highest of the temperature thresholds.

-Tony