Displaying 3 results from an estimated 3 matches for "0ffda508".
2018 Feb 09
0
retpoline mitigation and 6.0
On Fri, 2018-02-09 at 11:24 -0800, Reid Kleckner wrote:
> 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
2018 Feb 09
3
retpoline mitigation and 6.0
...age -append earlyprintk=ttyS0,keep -s -S
>
> $ gdb vmlinux
> (gdb) 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