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Message-ID: <20251008102628.808045-1-kafai.wan@linux.dev>
Date: Wed, 8 Oct 2025 18:26:25 +0800
From: KaFai Wan <kafai.wan@...ux.dev>
To: ast@...nel.org,
daniel@...earbox.net,
andrii@...nel.org,
martin.lau@...ux.dev,
eddyz87@...il.com,
song@...nel.org,
yonghong.song@...ux.dev,
john.fastabend@...il.com,
kpsingh@...nel.org,
sdf@...ichev.me,
haoluo@...gle.com,
jolsa@...nel.org,
shuah@...nel.org,
kafai.wan@...ux.dev,
toke@...hat.com,
linux-kernel@...r.kernel.org,
bpf@...r.kernel.org,
linux-kselftest@...r.kernel.org
Subject: [PATCH bpf v3 0/2] bpf: Avoid RCU context warning when unpinning htab with internal structs
This small patchset is about avoid RCU context warning when unpinning
htab with internal structs (timer, workqueue, or task_work).
v3:
- fix nit (Yonghong Song)
- add Acked-by: Yonghong Song <yonghong.song@...ux.dev>
v2:
- rename bpf_free_inode() to bpf_destroy_inode() (Andrii)
https://lore.kernel.org/all/20251007012235.755853-1-kafai.wan@linux.dev/
v1:
https://lore.kernel.org/all/20251003084528.502518-1-kafai.wan@linux.dev/
---
KaFai Wan (2):
bpf: Avoid RCU context warning when unpinning htab with internal
structs
selftests/bpf: Add test for unpinning htab with internal timer struct
kernel/bpf/inode.c | 4 +--
.../selftests/bpf/prog_tests/pinning_htab.c | 36 +++++++++++++++++++
.../selftests/bpf/progs/test_pinning_htab.c | 25 +++++++++++++
3 files changed, 63 insertions(+), 2 deletions(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/pinning_htab.c
create mode 100644 tools/testing/selftests/bpf/progs/test_pinning_htab.c
--
2.43.0
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