btf_idr_lock 28 include/linux/bpf.h extern spinlock_t btf_idr_lock; btf_idr_lock 199 kernel/bpf/btf.c DEFINE_SPINLOCK(btf_idr_lock); btf_idr_lock 866 kernel/bpf/btf.c spin_lock_bh(&btf_idr_lock); btf_idr_lock 870 kernel/bpf/btf.c spin_unlock_bh(&btf_idr_lock); btf_idr_lock 892 kernel/bpf/btf.c spin_lock_irqsave(&btf_idr_lock, flags); btf_idr_lock 894 kernel/bpf/btf.c spin_unlock_irqrestore(&btf_idr_lock, flags); btf_idr_lock 2913 kernel/bpf/syscall.c &btf_idr, &btf_idr_lock);