Messages in this thread | | | From | Rob Landley <> | Subject | Re: [PATCH 7/15] misc: Make x86 doublefault handling optional | Date | Wed, 16 Nov 2005 07:13:07 -0600 |
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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...
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