nop_lse 21 arch/arm64/include/asm/cmpxchg.h #define __XCHG_CASE(w, sfx, name, sz, mb, nop_lse, acq, acq_lse, rel, cl) \ nop_lse 37 arch/arm64/include/asm/cmpxchg.h " " #nop_lse) \