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

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Message-ID: <20170719185508.GC16076@redhat.com>
Date:   Wed, 19 Jul 2017 14:55:08 -0400
From:   Aristeu Rozanski <aris@...hat.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     "Kani, Toshimitsu" <toshi.kani@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "srinivas.pandruvada@...ux.intel.com" 
        <srinivas.pandruvada@...ux.intel.com>,
        "tony.luck@...el.com" <tony.luck@...el.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>
Subject: Re: [PATCH 3/3] ghes_edac: add platform check to enable ghes_edac

On Wed, Jul 19, 2017 at 06:22:04PM +0200, Borislav Petkov wrote:
> On Wed, Jul 19, 2017 at 04:10:07PM +0000, Kani, Toshimitsu wrote:
> > I do prefer to avoid any white / black listing.  But I do not see how
> > it solves the buggy DMI/SMBIOS info as an example of firmware bugs we
> > may have to deal with.
> 
> So how do you want to deal with this?
> 
> Maintain an evergrowing whitelist of platforms which are OK and then the
> moment a new platform comes along, you send a patch to add it to that
> whitelist?

That would also need to keep an eye on versions. A newer version of BIOS
on a whitelisted platform might be broken.

-- 
Aristeu