linux-kernel - Re: [PATCH bpf-next v10 0/3] bpf, x86: allow function arguments up to 12 for TRACING

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Date:   Thu, 13 Jul 2023 23:10:22 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Menglong Dong <menglong8.dong@...il.com>
Cc:     yhs@...a.com, daniel@...earbox.net, alexei.starovoitov@...il.com,
        ast@...nel.org, andrii@...nel.org, martin.lau@...ux.dev,
        song@...nel.org, yhs@...com, john.fastabend@...il.com,
        kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
        dsahern@...nel.org, jolsa@...nel.org, x86@...nel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, imagedong@...cent.com
Subject: Re: [PATCH bpf-next v10 0/3] bpf,
 x86: allow function arguments up to 12 for TRACING

Hello:

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

On Thu, 13 Jul 2023 12:07:35 +0800 you wrote:
> From: Menglong Dong <imagedong@...cent.com>
> 
> For now, the BPF program of type BPF_PROG_TYPE_TRACING can only be used
> on the kernel functions whose arguments count less than or equal to 6, if
> not considering '> 8 bytes' struct argument. This is not friendly at all,
> as too many functions have arguments count more than 6. According to the
> current kernel version, below is a statistics of the function arguments
> count:
> 
> [...]

Here is the summary with links:
  - [bpf-next,v10,1/3] bpf, x86: save/restore regs with BPF_DW size
    https://git.kernel.org/bpf/bpf-next/c/02a6dfa8ff43
  - [bpf-next,v10,2/3] bpf, x86: allow function arguments up to 12 for TRACING
    https://git.kernel.org/bpf/bpf-next/c/473e3150e30a
  - [bpf-next,v10,3/3] selftests/bpf: add testcase for TRACING with 6+ arguments
    https://git.kernel.org/bpf/bpf-next/c/5e9cf77d81f9

You are awesome, thank you!
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