Re: [PATCH bpf] riscv, bpf: make some atomic operations fully ordered

From: patchwork-bot+netdevbpf
Date: Sun May 12 2024 - 20:00:49 EST


Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

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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