On Friday 11 November 2005 02:35, Matt Mackall wrote:
> This adds configurable support for doublefault reporting on x86
...
> +config DOUBLEFAULT
> + depends X86
> + default y if X86
> + bool "Enable doublefault exception handler" if EMBEDDED
> + help
> + This option allows trapping of rare doublefault exceptions that
> + would otherwise cause a system to silently reboot. Disabling
> this + option saves about 4k.
> +
What causes doublefaults? Is it triggerable from userspace, or is it
something funky the kernel does?
Trying to figure out when it would be worth using this...
Rob
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