On 03/03/16 12:54, Borislav Petkov wrote:
> On Thu, Mar 03, 2016 at 12:22:06PM -0800, H. Peter Anvin wrote:
>> The only thing I can think of is that the -8 creates a null pointer that
>> terminates a stack trace.
> 
> Probably not needed anymore as print_context_stack()->valid_stack_ptr()
> in dumpstack.c look at the stack boundaries instead of checking for
> NULL...
> 

Sure, but it could still affect kgdb or what not.  That's the only
reason I can see for -8 though.

        -hpa

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