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

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Message-Id: <20221026104015.565468-1-haiwenyao@uniontech.com>
Date:   Wed, 26 Oct 2022 18:40:13 +0800
From:   Wen Yao <haiwenyao@...ontech.com>
To:     paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, dennis@...nel.org, tj@...nel.org,
        cl@...ux.com
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Wen Yao <haiwenyao@...ontech.com>
Subject: [PATCH 0/2] riscv: Rewrite percpu operations and support cmpxchg-local feature

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

-- 
2.25.1