bpf: use rcu_read_lock_dont_migrate() for bpf_prog_run_array_cg()

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Use rcu_read_lock_dont_migrate() and rcu_read_unlock_migrate() in
bpf_prog_run_array_cg to obtain better performance when PREEMPT_RCU is
not enabled.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20250821090609.42508-7-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Menglong Dong 2025-08-21 17:06:08 +08:00 • committed by Alexei Starovoitov

parent cf4303b70d

commit 427a36bb55

1 changed files with 2 additions and 4 deletions

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kernel/bpf/cgroup.c

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