1. 33d46a2 riscv: cpu: Skip unavailable hart in the get_count() op by Bin Meng · Thu Aug 08 00:52:08 2019 -0700
  2. 04098f9 cpu: Bind timer driver for boot hart by Atish Patra · Mon Feb 25 08:15:14 2019 +0000
  3. c4fcb62 cpu: Add a RISC-V CPU driver by Bin Meng · Wed Dec 12 06:12:26 2018 -0800