From patchwork Wed Feb 26 13:03:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Olsa X-Patchwork-Id: 1245042 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48SGGb4RYtz9sPR for ; Thu, 27 Feb 2020 00:04:23 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727124AbgBZNEX convert rfc822-to-8bit (ORCPT ); Wed, 26 Feb 2020 08:04:23 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:51114 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727113AbgBZNEX (ORCPT ); Wed, 26 Feb 2020 08:04:23 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-3-_l3oiGNAP_6JXjYcXaAfHA-1; Wed, 26 Feb 2020 08:04:18 -0500 X-MC-Unique: _l3oiGNAP_6JXjYcXaAfHA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E623A108442C; Wed, 26 Feb 2020 13:04:15 +0000 (UTC) Received: from krava.redhat.com (unknown [10.43.17.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id 145AF19C7F; Wed, 26 Feb 2020 13:04:12 +0000 (UTC) From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Andrii Nakryiko , Yonghong Song , Song Liu , Martin KaFai Lau , Jakub Kicinski , David Miller , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , John Fastabend , Jesper Dangaard Brouer , Arnaldo Carvalho de Melo Subject: [PATCH 07/18] bpf: Move bpf_tree add/del from bpf_prog_ksym_node_add/del Date: Wed, 26 Feb 2020 14:03:34 +0100 Message-Id: <20200226130345.209469-8-jolsa@kernel.org> In-Reply-To: <20200226130345.209469-1-jolsa@kernel.org> References: <20200226130345.209469-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Moving bpf_tree add/del from bpf_prog_ksym_node_add/del, because it will be used (and renamed) in following patches for bpf_ksym objects. The bpf_tree is specific for bpf_prog objects. Signed-off-by: Jiri Olsa Acked-by: Song Liu --- kernel/bpf/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 26d13dec3435..cdff3e4b207c 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -648,7 +648,6 @@ static void bpf_prog_ksym_node_add(struct bpf_prog_aux *aux) { WARN_ON_ONCE(!list_empty(&aux->ksym.lnode)); list_add_tail_rcu(&aux->ksym.lnode, &bpf_kallsyms); - latch_tree_insert(&aux->ksym_tnode, &bpf_tree, &bpf_tree_ops); latch_tree_insert(&aux->ksym.tnode, &bpf_ksym_tree, &bpf_ksym_tree_ops); } @@ -657,7 +656,6 @@ static void bpf_prog_ksym_node_del(struct bpf_prog_aux *aux) if (list_empty(&aux->ksym.lnode)) return; - latch_tree_erase(&aux->ksym_tnode, &bpf_tree, &bpf_tree_ops); latch_tree_erase(&aux->ksym.tnode, &bpf_ksym_tree, &bpf_ksym_tree_ops); list_del_rcu(&aux->ksym.lnode); } @@ -683,6 +681,7 @@ void bpf_prog_kallsyms_add(struct bpf_prog *fp) bpf_get_prog_name(fp); spin_lock_bh(&bpf_lock); + latch_tree_insert(&fp->aux->ksym_tnode, &bpf_tree, &bpf_tree_ops); bpf_prog_ksym_node_add(fp->aux); spin_unlock_bh(&bpf_lock); } @@ -693,6 +692,7 @@ void bpf_prog_kallsyms_del(struct bpf_prog *fp) return; spin_lock_bh(&bpf_lock); + latch_tree_erase(&fp->aux->ksym_tnode, &bpf_tree, &bpf_tree_ops); bpf_prog_ksym_node_del(fp->aux); spin_unlock_bh(&bpf_lock); }