bpf: Introduce the bpf_list_del kfunc.

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Allow users to remove any node from a linked list.

We have added an additional parameter bpf_list_head *head to
bpf_list_del, as the verifier requires the head parameter to
check whether the lock is being held.

Signed-off-by: Kaitao Cheng <chengkaitao@kylinos.cn>
Reviewed-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260521032306.97118-5-kaitao.cheng@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Kaitao Cheng 2026-05-21 11:23:02 +08:00 • committed by Alexei Starovoitov

parent 7c8c71591b

commit 187baa1096

2 changed files with 15 additions and 1 deletions

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10

kernel/bpf/helpers.c

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6

kernel/bpf/verifier.c

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