Re: [PATCH] x86: sysctl to allow panic on IOCK NMI error

Borislav Petkov
2009-07-02T10:42:58Z

On Thu, Jul 02, 2009 at 09:53:05AM +0200, Ingo Molnar wrote:
> > That shouldn't be a problem if we were about to panic(). For a
> > more sophisticated attempt of recovery -- yes, that would have to
> > be addressed.
>
> We are only panic-ing if the sysctl is set. The diagnostics would be
> useful anyway. The proper approach would be to defer it a bit in the
> non-panic case an read it out from some friendlier context - such as
> the EDAC core.

Quickly skimming through code shows some functionality is there:
drivers/edac/edac_pci{,_sysfs}.c but doesn't seem to be NMI safe. CCing
some more people.

--
Regards/Gruss,
Boris.

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