From patchwork Wed Nov 27 19:15:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13887317 X-Patchwork-Delegate: bpf@iogearbox.net Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3C9B204090; Wed, 27 Nov 2024 19:20:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735255; cv=none; b=UeSTfTn0rGt3tPJ9P+VUAknn2kZ2M3w45z0uDI70E0Aazo3OSJp5iUFWC8kuZI56/xE2AD3bQQg8Oej+bmOqzfmSDb6BGZLofXBPzDPFe1XnGNSJxBYr6xYn8DdWTxbcqAeYyNeUhv8+z0c/oz5pojsUGN+Xn4mXUrN/I5qeyY4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735255; c=relaxed/simple; bh=JU12z5rzuDuGYgEeHlT+HyoAu3E4JCuKXMHid87TuTc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JJrK+5qoGcZq/ScqXmtFN53bJWWpg5ztGNbgsnMrWb1qWQJ9q39Zhy+ocs6PyzWHP5OA8r3jEXzS76sqQTZ11mAZujIm3ckJLGBfbR522LHbLvA8Z8kSZzYv4aeqZi0kILWLhVLhgzFKrhaqbqUEr3Sgtd2O3zNLa+vp8tZh0cM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=Dq2Z1Bc0; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="Dq2Z1Bc0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1732735246; bh=JU12z5rzuDuGYgEeHlT+HyoAu3E4JCuKXMHid87TuTc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Dq2Z1Bc0N+mMBm+xuOWCk+4pqOO71TH3uul5yo2vJAWu+4lq62GkvOe0/iEB+57oq GS0d4cd0LsXI85+bW+I3B4Ymv/NLaKSi/8A4mmF8K8xTAviH0DUxX/Lc0Q7M+iTYaT iDmMKKXKt9BJvTZna2fYE5h68wYTy2xP671fup1U= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Wed, 27 Nov 2024 20:15:26 +0100 Subject: [PATCH bpf-next 7/9] bpf, net: dummy_ops: Constify BPF ops Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241127-bpf-const-ops-v1-7-a698b8d58680@weissschuh.net> References: <20241127-bpf-const-ops-v1-0-a698b8d58680@weissschuh.net> In-Reply-To: <20241127-bpf-const-ops-v1-0-a698b8d58680@weissschuh.net> To: "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Martin KaFai Lau , Kui-Feng Lee , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Jiri Kosina , Benjamin Tissoires , Tejun Heo , David Vernet , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, =?utf-8?q?Thomas_Wei?= =?utf-8?q?=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732735245; l=1414; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=JU12z5rzuDuGYgEeHlT+HyoAu3E4JCuKXMHid87TuTc=; b=X7Jn4w2by4ezsk3zFqrGQVObmVC43mtETN0abDpQwXFZr7P4ri9iVD/phbu2o7dKGkYVBFmzF luLnFIbfcs8D8fAns2NOKxhI9ALI8pOA3NpMiHoanSAQE7nizqnHfhr X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Patchwork-Delegate: bpf@iogearbox.net The BPF core now allows the registration of read-only ops tables, make use of it. Signed-off-by: Thomas Weißschuh --- net/bpf/bpf_dummy_struct_ops.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/bpf/bpf_dummy_struct_ops.c b/net/bpf/bpf_dummy_struct_ops.c index 3a675227074e546e6a02e80db3841ed72d5bbff8..b0f3d90f153b34d46fbf37964cc3caf4bec9a4af 100644 --- a/net/bpf/bpf_dummy_struct_ops.c +++ b/net/bpf/bpf_dummy_struct_ops.c @@ -7,7 +7,7 @@ #include #include -static struct bpf_struct_ops bpf_bpf_dummy_ops; +static const struct bpf_struct_ops bpf_bpf_dummy_ops; /* A common type for test_N with return value in bpf_dummy_ops */ typedef int (*dummy_ops_test_ret_fn)(struct bpf_dummy_ops_state *state, ...); @@ -297,13 +297,13 @@ static int bpf_dummy_test_sleepable(struct bpf_dummy_ops_state *cb) return 0; } -static struct bpf_dummy_ops __bpf_bpf_dummy_ops = { +static const struct bpf_dummy_ops __bpf_bpf_dummy_ops = { .test_1 = bpf_dummy_ops__test_1, .test_2 = bpf_dummy_test_2, .test_sleepable = bpf_dummy_test_sleepable, }; -static struct bpf_struct_ops bpf_bpf_dummy_ops = { +static const struct bpf_struct_ops bpf_bpf_dummy_ops = { .verifier_ops = &bpf_dummy_verifier_ops, .init = bpf_dummy_init, .check_member = bpf_dummy_ops_check_member,