Re: [PATCH v3 4/9] ACPI, x86: Extended error log driver for x86 platform

From: Borislav Petkov
Date: Fri Jun 27 2014 - 18:14:55 EST


On Fri, Jun 27, 2014 at 10:10:48PM +0000, Luck, Tony wrote:
> I spoke too quickly. The only MCE for which we have recovery code are
> those that hit in application code. So the processor that is trying to
> do the printk() can't possibly be holding the locks. Other processors
> might have held the lock at the time of the MCE - but they have all
> returned from the handler at the time we try the printk - so they will
> make progess and release the lock so that we can acquire it.

That could explain why we're not seeing hangs left and right. :-)

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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