acq_lse 21 arch/arm64/include/asm/cmpxchg.h #define __XCHG_CASE(w, sfx, name, sz, mb, nop_lse, acq, acq_lse, rel, cl) \ acq_lse 35 arch/arm64/include/asm/cmpxchg.h " swp" #acq_lse #rel #sfx "\t%" #w "3, %" #w "0, %2\n" \