fd2efaa4eb53 ("locking/atomics: Rework ordering barriers")
5ce6c1f3535f ("riscv/atomic: Strengthen implementations with fences")
8286d51a6c24 ("RISC-V: Comment on why {,cmp}xchg is ordered how it is")
4650d02ad2d9 ("RISC-V: Remove unused arguments from ATOMIC_OP")
b293fca43be5 ("Merge tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux")