]> Gentwo Git Trees - linux/.git/commit
bpf: use rcu_read_lock_dont_migrate() for bpf_task_storage_free()
authorMenglong Dong <menglong8.dong@gmail.com>
Thu, 21 Aug 2025 09:06:07 +0000 (17:06 +0800)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 26 Aug 2025 01:52:16 +0000 (18:52 -0700)
commitcf4303b70dfa0163753e9b03ca78e5122727d4b8
tree405d48888183cd1eb3582fab7b11d86bff5303cd
parent68748f0397a356122bf9cf33ef77cabbff9c3e51
bpf: use rcu_read_lock_dont_migrate() for bpf_task_storage_free()

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

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20250821090609.42508-6-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
kernel/bpf/bpf_task_storage.c