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.