Replace the migrate_disable/migrate_enable with rcu_migrate_disable/rcu_migrate_enable in bpf_prog_run_array_cg to obtain better performance when PREEMPT_RCU is not enabled. Signed-off-by: Menglong Dong <dongml2@xxxxxxxxxxxxxxx> --- kernel/bpf/cgroup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index 180b630279b9..694635699d46 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -71,7 +71,7 @@ bpf_prog_run_array_cg(const struct cgroup_bpf *cgrp, u32 func_ret; run_ctx.retval = retval; - migrate_disable(); + rcu_migrate_disable(); rcu_read_lock(); array = rcu_dereference(cgrp->effective[atype]); item = &array->items[0]; @@ -89,7 +89,7 @@ bpf_prog_run_array_cg(const struct cgroup_bpf *cgrp, } bpf_reset_run_ctx(old_run_ctx); rcu_read_unlock(); - migrate_enable(); + rcu_migrate_enable(); return run_ctx.retval; } -- 2.50.1
