[Bug 2067291] Re: ftrace:test.d--dynevent--add_remove_btfarg.tc in ubuntu_kselftests_ftrace failed on some architectures

** Tags added: 6.8 arm64 noble sru-20240429 ubuntu-kselftests-ftrace

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https://bugs.launchpad.net/bugs/2067291

Title:
ftrace:test.d--dynevent--add_remove_btfarg.tc in
ubuntu_kselftests_ftrace failed on some architectures

Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
New
Status in linux source package in Noble:
New

Bug description:
In our SRU cycles for Noble kernels, ftrace:test.d--dynevent--add in
ubuntu_kselftests_ftrace fails on some architectures.

This test works only when CONFIG_FPROBE=y and CONFIG_FPROBE_EVENTS=y.

In our annotation file, they are enabled only for some architectures.

CONFIG_FPROBE policy<{'amd64': 'y', 'riscv64': '-', 's390x': 'y'}>
CONFIG_FPROBE_EVENTS policy<{'amd64': 'y', 'riscv64': '-', 's390x': 'y'}>

For the other architectures (e.g. arm64), this test always fails.

It should be skipped when CONFIG_FPROBE=n or CONFIG_FPROBE_EVENTS=n.

It was already fixed in upstream by the following commit:

commit 2fd3ef1b9265eda7f53b9506f1ebfb67eb6435a2
Author: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Date: Sat May 4 09:33:10 2024 +0900

selftests/ftrace: Fix BTFARG testcase to check fprobe is enabled
correctly

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