bpf: Introduce bpf_timer_cancel_async() kfunc

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Introduce bpf_timer_cancel_async() that wraps hrtimer_try_to_cancel()
and executes it either synchronously or defers to irq_work.

Co-developed-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20260201025403.66625-4-alexei.starovoitov@gmail.com

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Alexei Starovoitov 2026-01-31 18:53:57 -08:00 • committed by Andrii Nakryiko

parent 19bd300e22

commit a7e172aa4c

1 changed files with 48 additions and 0 deletions

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kernel/bpf/helpers.c

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