linux-kernel - Re: [PATCH RFC bpf-next v3 00/16] sleepable bpf_timer (was: allow HID-BPF to do device IOs)

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Date: Fri, 23 Feb 2024 18:19:42 +0200
From: Eduard Zingerman <eddyz87@...il.com>
To: Benjamin Tissoires <bentiss@...nel.org>, Alexei Starovoitov
 <ast@...nel.org>,  Daniel Borkmann <daniel@...earbox.net>, John Fastabend
 <john.fastabend@...il.com>, Andrii Nakryiko <andrii@...nel.org>, Martin
 KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>, Yonghong Song
 <yonghong.song@...ux.dev>, KP Singh <kpsingh@...nel.org>, Stanislav
 Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
 <jolsa@...nel.org>, Jiri Kosina <jikos@...nel.org>,  Benjamin Tissoires
 <benjamin.tissoires@...hat.com>, Jonathan Corbet <corbet@....net>, Shuah
 Khan <shuah@...nel.org>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-input@...r.kernel.org, linux-doc@...r.kernel.org, 
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH RFC bpf-next v3 00/16] sleepable bpf_timer (was: allow
 HID-BPF to do device IOs)

On Wed, 2024-02-21 at 17:25 +0100, Benjamin Tissoires wrote:
> [Partly a RFC/formal submission: there are still FIXMEs in the code]
> [Also using bpf-next as the base tree for HID changes as there will
> be conflicting changes otherwise, so I'm personaly fine for the HID
> commits to go through bpf-next]

[...]

Could you please also add verifier selftests, e.g. extend
tools/testing/selftests/bpf/progs/timer.c       (bpf side)
tools/testing/selftests/bpf/prog_tests/timer.c  (userspace side triggering
                                                 bpf side)
Negative tests could be added in
tools/testing/selftests/bpf/progs/timer_failure.c

Please let me know if you need any help setting up local BPF test
environment, I have a short writeup on how to set it up in chroot.