On Tue, Apr 28, 2020 at 04:45:16PM -0500, Josh Poimboeuf wrote: > Kristen found a hang in objtool when building with -ffunction-sections. > > It was caused by evergreen_pcie_gen2_enable.cold() being laid out > immediately before evergreen_pcie_gen2_enable(). Since their "pfunc" is > always the same, find_jump_table() got into an infinite loop because it > didn't recognize the boundary between the two functions. > > Fix that with a new prev_insn_same_sym() helper, which doesn't cross > subfunction boundaries. > > Reported-by: Kristen Carlson Accardi <[email protected]> > Signed-off-by: Josh Poimboeuf <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
