Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN

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To: Yafang Shao <laoar.shao@xxxxxxxxx>
Subject: Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Mon, 29 Nov 2021 11:08:58 -0500
Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, netdev <netdev@xxxxxxxxxxxxxxx>, bpf <bpf@xxxxxxxxxxxxxxx>, "linux-perf-use." <linux-perf-users@xxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, Linux MM <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, kernel test robot <oliver.sang@xxxxxxxxx>, kbuild test robot <lkp@xxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx>, Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx>, Michal Miroslaw <mirq-linux@xxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>
In-reply-to: <20211129110755.616133df@gandalf.local.home>
References: <20211120112738.45980-1-laoar.shao@gmail.com> <20211120112738.45980-8-laoar.shao@gmail.com> <yt9d35nf1d84.fsf@linux.ibm.com> <CALOAHbDtqpkN4D0vHvGxTSpQkksMWtFm3faMy0n+pazxN_RPPg@mail.gmail.com> <yt9d35nfvy8s.fsf@linux.ibm.com> <54e1b56c-e424-a4b3-4d61-3018aa095f36@redhat.com> <yt9dy257uivg.fsf@linux.ibm.com> <CALOAHbDkMhnO_OfQiV4gA8rGnLpyQ27nUcWSnN_-8TXkfQ1Eyw@mail.gmail.com> <20211129110755.616133df@gandalf.local.home>

On Mon, 29 Nov 2021 11:07:55 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> I wonder if BTF could take advantage of the tracing:
> 
> TRACE_DEFINE_ENUM() macros?

Bah' BTF does handle enums, it doesn't handle macros. But I wonder if we
could do something similar for BTF. That is, force it.

-- Steve

References:
- [PATCH v2 0/7] task comm cleanups
  - From: Yafang Shao
- [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Yafang Shao
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Sven Schnelle
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Yafang Shao
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Sven Schnelle
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: David Hildenbrand
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Sven Schnelle
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Yafang Shao
- Re: [PATCH v2 7/7] tools/testing/selftests/bpf: replace open-coded 16 with TASK_COMM_LEN
  - From: Steven Rostedt

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