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084d0849fc
Requiring /sys/fs/bpf path to be a mount point at the moment of cgroup controllers realization does more harm than good, because: * Realization happens early on boot, the mount point may not be ready at the time. That happens if mounts are made by a .mount unit (the issue we encountered). * BPF filesystem may be mounted on another point. Remove the check. Instead verify that path provided by BPFProgram= is within BPF fs when unit properties are parsed. Split in two commits for simple backport.
16 lines
321 B
C
16 lines
321 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include "unit.h"
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static inline int bpf_foreign_supported(void) {
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return cg_all_unified();
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}
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/*
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* Attach cgroup-bpf programs foreign to systemd, i.e. loaded to the kernel by an entity
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* external to systemd.
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*/
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int bpf_foreign_install(Unit *u);
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