The series try to use riscv amo instructions to optimise some percpu
operations and select HAVE_CMPXCHG_LOCAL to support cmpxchg-local feature.

Wen Yao (2):
  riscv: percpu:Add riscv percpu operations
  riscv:kconfig:select HAVE_CMPXCHG_LOCAL

 arch/riscv/Kconfig              |   1 +
 arch/riscv/include/asm/percpu.h | 101 ++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 arch/riscv/include/asm/percpu.h

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2.25.1