Re: [PATCH v2 2/2] mce: don't try to wake thread before it exists.

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* Daniel Wagner | 2015-02-27 15:20:38 [+0100]:

>From: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
…
>[wagi: Replaced WARN_ON_ONCE with a 'creative' defer logic]
>Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>

You can't use Paul's From: and submit a different patch with only one
change hit "creative".
But it is not that bad if we get an IRQ that early and can't process it.
We only miss a printk. The userland helper is not yet ready and we won't
anyone one waiting on the wait queue. So it should be enough to simply
check if the swait is ready.
After userland is ready it should notice that there was a MCE event.

Sebastian
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