> riscv: Implement cmpxchg32/64() using Zacas > dt-bindings: riscv: Add Zabha ISA extension description > riscv: Implement cmpxchg8/16() using Zabha > riscv: Improve zacas fully-ordered cmpxchg() > riscv: Implement arch_cmpxchg128() using Zacas > riscv: Implement xchg8/16() using Zabha These look good to me. Thanks! Andrea