Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic'

[Borislav Petkov]

On Wed, Apr 12, 2017 at 08:27:05PM +0000, Verma, Vishal L wrote:
> But isn't the atomic notifier call chain always called in atomic
> context?

No, it isn't. We're calling it in normal process context in
mce_gen_pool_process() too.

So this early exit will avoid any sleeping in atomic context. And since
there's nothing you can do about the errors reported in atomic context,
we can actually use that fact.

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