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Date: Fri, 7 Aug 2026 15:50:53 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Ricardo =?iso-8859-1?B?Qi4gTWFybGnocmUgKFNVU0Up?= <ricardo@marliere.net>
Cc: Andrii Nakryiko <andrii@kernel.org>,
	Eduard Zingerman <eddyz87@gmail.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Song Liu <song@kernel.org>, Yonghong Song <yonghong.song@linux.dev>,
	Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
	sashal@kernel.org, bpf@vger.kernel.org,
	linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org, Mykyta Yatsenko <yatsenko@meta.com>
Subject: Re: [PATCH 7.1.y v2] selftests/bpf: Add tests for sleepable
 tracepoint programs
Message-ID: <2026080743-savage-qualify-1913@gregkh>
References: <20260807-selftests-bpf-sleepable-v2-1-f7e6566f36a1@marliere.net>
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In-Reply-To: <20260807-selftests-bpf-sleepable-v2-1-f7e6566f36a1@marliere.net>

On Fri, Aug 07, 2026 at 09:32:43AM -0300, Ricardo B. Marlière (SUSE) wrote:
> From: Mykyta Yatsenko <yatsenko@meta.com>
> 
> [ Upstream commit 8a20655749c625dcc4debdfdeeaa0cf8bb85c203 ]
> 
> Cover all three sleepable tracepoint types (tp_btf.s, raw_tp.s, tp.s)
> and sys_exit (via bpf_task_pt_regs) with functional tests using
> bpf_copy_from_user() on getcwd. Verify alias and bare SEC variants,
> bpf_prog_test_run_raw_tp() with BPF_F_TEST_RUN_ON_CPU rejection,
> attach-time rejection on non-faultable tracepoints, and load-time
> rejection for sleepable tp_btf on non-faultable tracepoints.
> 
> [ rbm: Removed hunks from (new) files:
>         tools/testing/selftests/bpf/prog_tests/sleepable_tracepoints.c
>         tools/testing/selftests/bpf/progs/test_sleepable_tracepoints.c
>         tools/testing/selftests/bpf/progs/test_sleepable_tracepoints_fail.c
>        These rely on libbpf's ".s" tracepoint section handlers
>        (0cd420a6f40c7) and on kernel-side sleepable tracepoint runtime
>        support (439ebd5b5708, 12628ffaf98b, 57918341dd19), none of which
>        are backported here; kept only the verifier/sleepable.c hunk, which
>        is correct and needed on its own. ]
> 
> Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> Link: https://lore.kernel.org/bpf/20260422-sleepable_tracepoints-v13-6-99005dff21ef@meta.com
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

You did not sign off on this :(