From: guoren@kernel.org
To: paul.walmsley@sifive.com, palmer@dabbelt.com, guoren@kernel.org,
panqinglin2020@iscas.ac.cn, bjorn@rivosinc.com,
conor.dooley@microchip.com, leobras@redhat.com,
peterz@infradead.org, keescook@chromium.org,
wuwei2016@iscas.ac.cn, xiaoguang.xing@sophgo.com,
chao.wei@sophgo.com, unicorn_wang@outlook.com, uwu@icenowy.me,
jszhang@kernel.org, wefu@redhat.com, atishp@atishpatra.org,
ajones@ventanamicro.com
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
Guo Ren <guoren@linux.alibaba.com>
Subject: [PATCH V2 0/3] riscv: Add Zicbop & prefetchw support
Date: Sun, 31 Dec 2023 03:29:50 -0500 [thread overview]
Message-ID: <20231231082955.16516-1-guoren@kernel.org> (raw)
From: Guo Ren <guoren@linux.alibaba.com>
This patch series adds Zicbop support and then enables the Linux
prefetchw feature. It's based on v6.7-rc7.
PATCH[1] - Add Zicbop support
PATCH[2] - Add prefetchw support
PATCH[3] - Enhance xchg_small
Changelog:
V2:
- Separate from the qspinlock series
- Optimize coding convention with last review advice
- Add DEFINE_INSN_S type in insn-def.h
- Add CBO_PREFETCH_I/R/W
V1:
https://lore.kernel.org/linux-riscv/20230910082911.3378782-4-guoren@kernel.org/
Guo Ren (3):
riscv: Add Zicbop instruction definitions & cpufeature
riscv: Add ARCH_HAS_PRETCHW support with Zibop
riscv: xchg: Prefetch the destination word for sc.w
arch/riscv/Kconfig | 15 ++++++++
arch/riscv/include/asm/cmpxchg.h | 4 +-
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/include/asm/insn-def.h | 60 ++++++++++++++++++++++++++++++
arch/riscv/include/asm/processor.h | 16 ++++++++
arch/riscv/kernel/cpufeature.c | 1 +
6 files changed, 96 insertions(+), 1 deletion(-)
--
2.40.1
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next reply other threads:[~2023-12-31 8:30 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-31 8:29 guoren [this message]
2023-12-31 8:29 ` [PATCH V2 1/3] riscv: Add Zicbop instruction definitions & cpufeature guoren
2024-01-02 10:32 ` Andrew Jones
2024-01-03 6:13 ` Guo Ren
2024-01-03 6:49 ` Andrew Jones
2024-01-03 19:44 ` Andrew Jones
2024-01-03 19:06 ` Leonardo Bras
2024-01-03 9:31 ` Clément Léger
2024-01-03 12:00 ` Andrew Jones
2024-01-11 10:31 ` Clément Léger
2024-01-11 10:45 ` Andrew Jones
2024-01-11 10:49 ` Clément Léger
2024-01-11 11:12 ` Conor Dooley
2024-01-03 18:52 ` Leonardo Bras
2024-01-03 19:29 ` Andrew Jones
2024-01-03 20:33 ` Leonardo Bras
2024-01-04 9:47 ` Andrew Jones
2024-01-04 15:03 ` Leonardo Bras
2024-01-04 16:40 ` Andrew Jones
2024-01-04 17:43 ` Leonardo Bras
2024-01-05 13:24 ` Andrew Jones
2024-01-08 14:34 ` Leonardo Bras
2024-01-08 15:24 ` Andrew Jones
2024-01-08 16:14 ` Leonardo Bras
2024-01-03 19:48 ` Andrew Jones
2024-01-03 20:34 ` Leonardo Bras
2023-12-31 8:29 ` [PATCH V2 2/3] riscv: Add ARCH_HAS_PRETCHW support with Zibop guoren
2024-01-01 2:29 ` Guo Ren
2024-01-03 19:04 ` Leonardo Bras
2024-01-02 10:45 ` Andrew Jones
2024-01-03 6:19 ` Guo Ren
2024-01-03 19:56 ` Andrew Jones
2024-01-05 13:31 ` Andrew Jones
2023-12-31 8:29 ` [PATCH V2 3/3] riscv: xchg: Prefetch the destination word for sc.w guoren
2024-01-02 11:18 ` Andrew Jones
2024-01-03 6:15 ` Guo Ren
2024-01-03 19:45 ` Leonardo Bras
2024-01-04 1:24 ` Guo Ren
2024-01-04 3:56 ` Leonardo Bras
2024-01-04 8:14 ` Guo Ren
2024-01-04 14:17 ` Leonardo Bras
2024-01-05 1:13 ` Guo Ren
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