linux-kernel - Re: [PATCH 0/2] bpf, arm64: relax constraint in BPF JIT compiler

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Message-Id: 
 <175271580926.1388574.2871718742808894447.git-patchwork-notify@kernel.org>
Date: Thu, 17 Jul 2025 01:30:09 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Alexis Lothoré <alexis.lothore@...tlin.com>@codeaurora.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@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, puranjay@...nel.org,
 xukuohai@...weicloud.com, catalin.marinas@....com, will@...nel.org,
 mykolal@...com, shuah@...nel.org, ebpf@...uxfoundation.org,
 thomas.petazzoni@...tlin.com, bastien.curutchet@...tlin.com,
 ihor.solodrai@...ux.dev, bpf@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 0/2] bpf, arm64: relax constraint in BPF JIT compiler

Hello:

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

On Wed, 09 Jul 2025 10:36:54 +0200 you wrote:
> Hello,
> this series follows up on the one introducing 9+ args for tracing
> programs [1]. It has been observed with this series that there are cases
> for which we can not identify accurately the location of the target
> function arguments to prepare correctly the corresponding BPF
> trampoline. This is the case for example if:
> - the function consumes a struct variable _by value_
> - it is passed on the stack (no more register available for it)
> - it has some __packed__ or __aligned(X)__ attribute
> 
> [...]

Here is the summary with links:
  - [1/2] bpf, arm64: remove structs on stack constraint
    https://git.kernel.org/bpf/bpf-next/c/dc704d0cfa43
  - [2/2] selftests/bpf: enable tracing_struct tests for arm64
    https://git.kernel.org/bpf/bpf-next/c/4a760d2d7aa6

You are awesome, thank you!
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