1. 3cfa500 RISC-V: Resurrect smp_mb__after_spinlock() by Palmer Dabbelt · 7 years ago
  2. 3343eb6 RISC-V: Remove smb_mb__{before,after}_spinlock() by Palmer Dabbelt · 7 years ago
  3. 61a60d3 RISC-V: Remove __smp_bp__{before,after}_atomic by Palmer Dabbelt · 7 years ago
  4. fab957c RISC-V: Atomic and Locking Code by Palmer Dabbelt · 8 years ago