[PATCH v3 07/12] ACPI / APEI: Make the nmi_fixmap_idx per-ghes to allow multiple in_nmi() users

[Borislav Petkov]

On Wed, May 16, 2018 at 11:38:16AM -0400, Tyler Baicar wrote:
> I haven't seen a deadlock from that, but it looks possible. What if
> the ghes_proc() call in ghes_probe() is moved before the second switch
> statement? That way it is before the NMI/IRQ/poll is setup. At quick
> glance I think that should avoid the deadlock and still provide the
> functionality that call was added for. I can test that out if you all
> agree.

Makes sense but please audit it properly before doing the change. That
code is full of landmines and could use a proper scrubbing first.

Thx.

-- 
Regards/Gruss,
    Boris.

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