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