Re: Problems with EDAC coexisting with BIOS
From: David Peterson
Date: Thu May 04 2006 - 12:44:36 EST
> My first thought was to schedule a tasklet as part of the ECC-
specific
> NMI handling, or are there any gotchas with doing this from within
> an NMI handler?
Unfortunately yes. __tasklet_schedule() uses interrupt disabling
as a synchronization mechanism. This presents a problem since by
definition, NMIs can occur even when interrupts are disabled.
However the NMI handling code in bluesmoke has a mechanism similar to
tasklets that is intended specifically for use by NMI handlers.
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