Re: [PATCH 3/3] ghes_edac: add platform check to enable ghes_edac

[Borislav Petkov]

On Mon, Jul 24, 2017 at 01:04:13PM -0300, Mauro Carvalho Chehab wrote:
> If the Kernel force those users to use ghes_edac by default,
> they they won't see the error counts anymore, but, instead,
> hardware reports that the memories need to be replaced.

This is exactly why I'm trying to load ghes_edac only on those platforms
which would really want it.

> So, the right solution would be to keep hardware first, but
> providing a modprobe parameter to let them switch to software
> first.

That's exactly the issue: if we make it spec-conform and adhere to FF
setting, then it'll be clean. BUT(!), we will force ghes_edac on those
platforms which potentially are using the platform-specific drivers
until now. Not good.

If we do the whitelisting, then we're stuck with maintaining a yucky
whitelist and have to keep updating ghes_edac with it.

So we're basically between a rock and a hard place.

If I had to choose *right* *now*, I'd probably lean slightly towards the
whitelist as it won't break existing users.

A big grumpfy-grumbly hmmm. :-\

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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