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e0397000
2018 Feb 09
0
retpoline mitigation and 6.0
...tar rem localhost:1234
(gdb) break mp_register_ioapic
(gdb) c
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2018 Feb 09
3
retpoline mitigation and 6.0
I haven't read the all the emails in full detail, but it seems pretty clear
that __x86_indirect_thunk and __llvm_retpoline_push do not do the same
things. It sounds like __llvm_retpoline_push is equivalent to
__x86_indirect_thunk except first it swaps the two words on the top of the
stack.
I arranged it this way because the x86 call instruction puts the intended
return address on the top of