Re: Is espfix64's double-fault thing OK on Xen?

[Konrad Rzeszutek Wilk]

On Wed, Jul 09, 2014 at 04:17:57PM -0700, Andy Lutomirski wrote:
> This part in __do_double_fault looks fishy:
> 
>     cmpl $__KERNEL_CS,CS(%rdi)
>     jne do_double_fault
> 
> Shouldn't that be:
> 
>     test $3,CS(%rdi)
>     jnz do_double_fault
> 

Let me rope in David, who was playing with that recently.

> --Andy
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