linux-kernel - Re: [PATCH bpf-next] bpf, arm64: Add support for lse atomics in bpf

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Date: Wed, 08 May 2024 14:40:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Puranjay Mohan <puranjay@...nel.org>
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org, zlim.lnx@...il.com,
 catalin.marinas@....com, will@...nel.org, mykolal@...com, shuah@...nel.org,
 bpf@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
 puranjay12@...il.com
Subject: Re: [PATCH bpf-next] bpf, arm64: Add support for lse atomics in bpf_arena

Hello:

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

On Fri, 26 Apr 2024 16:11:16 +0000 you wrote:
> When LSE atomics are available, BPF atomic instructions are implemented
> as single ARM64 atomic instructions, therefore it is easy to enable
> these in bpf_arena using the currently available exception handling
> setup.
> 
> LL_SC atomics use loops and therefore would need more work to enable in
> bpf_arena.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf, arm64: Add support for lse atomics in bpf_arena
    https://git.kernel.org/bpf/bpf-next/c/e612b5c1d3ee

You are awesome, thank you!
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