[PATCH 0/2] riscv: Rewrite percpu operations and support cmpxchg-local feature

Wen Yao
2022-10-26T10:43:23Z

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