linux-kernel - RE: [PATCH 3/3] ghes_edac: add platform check to enable ghes

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Message-ID: <3908561D78D1C84285E8C5FCA982C28F6130C6B8@ORSMSX114.amr.corp.intel.com>
Date:   Tue, 18 Jul 2017 22:13:42 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>, Toshi Kani <toshi.kani@....com>
CC:     "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "srinivas.pandruvada@...ux.intel.com" 
        <srinivas.pandruvada@...ux.intel.com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/3] ghes_edac: add platform check to enable ghes_edac

> The question is: does the platform do this disabling now?
>
> Tony, I'm looking at sb_edac and there we don't do something like that
> or maybe I'm missing it.

Historically we've had complaints that sb_edac won't load that have been
tracked to BIOS hiding one of the (many) PCI devices that it needs.  But
device hiding is orthogonal to providing GHES error records.  A BIOS might
do that, but I don't know that anyone intentionally does so.

-Tony