From: patchwork-bot+netdevbpf@kernel.org
To: Puranjay Mohan <puranjay@kernel.org>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
yonghong.song@linux.dev, john.fastabend@gmail.com,
kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
jolsa@kernel.org, bjorn@kernel.org, pulehui@huawei.com,
paulmck@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, bpf@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
puranjay12@gmail.com
Subject: Re: [PATCH bpf] riscv, bpf: make some atomic operations fully ordered
Date: Mon, 13 May 2024 00:00:29 +0000 [thread overview]
Message-ID: <171555842976.18024.13752863594876761911.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240505201633.123115-1-puranjay@kernel.org>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Sun, 5 May 2024 20:16:33 +0000 you wrote:
> The BPF atomic operations with the BPF_FETCH modifier along with
> BPF_XCHG and BPF_CMPXCHG are fully ordered but the RISC-V JIT implements
> all atomic operations except BPF_CMPXCHG with relaxed ordering.
>
> Section 8.1 of the "The RISC-V Instruction Set Manual Volume I:
> Unprivileged ISA" [1], titled, "Specifying Ordering of Atomic
> Instructions" says:
>
> [...]
Here is the summary with links:
- [bpf] riscv, bpf: make some atomic operations fully ordered
https://git.kernel.org/bpf/bpf-next/c/20a759df3bba
You are awesome, thank you!
--
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prev parent reply other threads:[~2024-05-13 0:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-05 20:16 [PATCH bpf] riscv, bpf: make some atomic operations fully ordered Puranjay Mohan
2024-05-05 22:40 ` Puranjay Mohan
2024-05-06 12:28 ` Ilya Leoshkevich
2024-05-06 14:46 ` Puranjay Mohan
2024-05-06 22:56 ` Ilya Leoshkevich
2024-05-07 9:52 ` Naveen N Rao
2024-05-07 17:58 ` Puranjay Mohan
2024-05-06 15:38 ` Pu Lehui
2024-05-13 0:00 ` patchwork-bot+netdevbpf [this message]
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