Re: [lkp-robot] [EDAC] e3c4ff6d8c: kmsg.EDAC_sbridge:Failed_to_register_device_with_error

[Luck, Tony <tony.luck@intel.com>]

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On Thu, Apr 27, 2017 at 12:20:09AM +0200, Borislav Petkov wrote:
> On Wed, Apr 26, 2017 at 02:06:02PM -0700, Luck, Tony wrote:
> > Then we'd try to load some other driver: sb_edac, skx_edac, etc. If
> > they get through the platform tests to find they are on the right
> > cpu model, and they find all the right PCIe devices to access memory
> > controller registers ... then they call edac_mc_add_mc() to tell
> > EDAC core they want to run things ... and that supplants ghes_edac.
> 
> Yeah, but that means a serious EDAC core surgery as we've never
> supported more than one EDAC driver. What would be easier, IMO,
> is to move the reporting functionality from ghes_edac.c to
> drivers/acpi/apei/ghes.c and export only the EDAC tracepoint so that
> GHES can call into it. Through a notifier or so.

Ah, that sounds simpler.

> This way we'll get rid of the ghes_edac.c thing completely the
> functionality will be completely part of ghes.c in drivers/acpi/ and
> then we can load our platform drivers just the same.
> 
> But that's definitely future work.
> 
> I'd still like to apply the oneliner for 4.12 so that the bug Xiaolong
> reported doesn't happen. Ok?

Sure. That makes sense.

-Tony