From nobody Tue Dec 16 13:26:19 2025 Received: from msa.smtpout.orange.fr (out-65.smtpout.orange.fr [193.252.22.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 03A7A18306F; Sun, 23 Jun 2024 16:20:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.252.22.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719159635; cv=none; b=WoPuEKz4wVt+YMSK2h5O7qOLbW7jfW8vZv+sfW53ZI+nvPlOi4quWRZzlMTeX+kXIx2eSrsZqufLTCExyJeun/9jW8ctEvsM8pXK3wBWyLtbDTLnmB9jy/dTmZef+gYQGtvIvUKVYGEVJcijeYyzUG7qQwLC6NZJyVcYww2GABs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719159635; c=relaxed/simple; bh=xn/bYX9nXV2+s7Y5CdExXZOsyPxwtWyQZbAE9riVZzA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=d+VT04stH+aftlLYgs+YKSlx0ZWITB+kLcENOgz1S6FqczKNH+/12CUdTsJu97/OTQz7HJgB420RPz4hEWQkE5na1mTNFNbn2fajUbAFz1jc5d3mjMYuV9L3jt7H2Ecps3jPfd+sZWeOafkortmFCpe/YcXRmLZemkFSmy/Dy/k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr; spf=pass smtp.mailfrom=wanadoo.fr; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b=bvT+Orc4; arc=none smtp.client-ip=193.252.22.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b="bvT+Orc4" Received: from fedora.home ([86.243.222.230]) by smtp.orange.fr with ESMTPA id LPoWsaLbz6H4sLPoWsNZPd; Sun, 23 Jun 2024 18:11:38 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1719159098; bh=kaFvdfIOWtupjnAleAY1qcroO+ccHQ2tdJGDcVUeyB0=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=bvT+Orc4k44jsLDJdXNh9di3qYYz2iZG95kO6AFtXPVRP0jgZbnTB6le6kqgh8K0T mhSgBTM48vToFcXd22PzCMYvqcSONs3n+VjLbjBAVfAXfClWLn+/dhx1GeVC2T86YA E3hZZPlwiqdhdLaafvnlA8yXIwty7+dWFH9EcAKz1ICQaubHZeWb2VqpoMKFe4Eoir UBeT9UrUo+nk35l3AwxWnmImdtvgno63xaj5gL9UXgXt5JjFMlCPUcbGG5I/ZVShgo mWyGCojLFSKmdme3D14LrdT6Mqv8Z8zj5Us4wuVXiuSt+1kNkcS+QC7wnp8ZzFnebV ux/yAlzkbgZpg== X-ME-Helo: fedora.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 23 Jun 2024 18:11:38 +0200 X-ME-IP: 86.243.222.230 From: Christophe JAILLET To: Nishanth Menon , Santosh Shilimkar Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-arm-kernel@lists.infradead.org Subject: [PATCH] soc: ti: knav_qmss: Constify struct knav_range_ops Date: Sun, 23 Jun 2024 18:11:31 +0200 Message-ID: X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 'struct knav_range_ops' is not modified in these drivers. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: =3D=3D=3D=3D=3D=3D text data bss dec hex filename 7498 1193 0 8691 21f3 drivers/soc/ti/knav_qmss_acc.o After: =3D=3D=3D=3D=3D text data bss dec hex filename 7566 1145 0 8711 2207 drivers/soc/ti/knav_qmss_acc.o Signed-off-by: Christophe JAILLET --- Compile tested-only --- drivers/soc/ti/knav_qmss.h | 2 +- drivers/soc/ti/knav_qmss_acc.c | 2 +- drivers/soc/ti/knav_qmss_queue.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/soc/ti/knav_qmss.h b/drivers/soc/ti/knav_qmss.h index a01eda720bf6..9325e8ce2e25 100644 --- a/drivers/soc/ti/knav_qmss.h +++ b/drivers/soc/ti/knav_qmss.h @@ -333,7 +333,7 @@ struct knav_range_info { void *queue_base_inst; unsigned flags; struct list_head list; - struct knav_range_ops *ops; + const struct knav_range_ops *ops; struct knav_acc_info acc_info; struct knav_acc_channel *acc; unsigned num_irqs; diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c index 3d388646ed43..269b4e75ae40 100644 --- a/drivers/soc/ti/knav_qmss_acc.c +++ b/drivers/soc/ti/knav_qmss_acc.c @@ -450,7 +450,7 @@ static int knav_acc_free_range(struct knav_range_info *= range) return 0; } =20 -static struct knav_range_ops knav_acc_range_ops =3D { +static const struct knav_range_ops knav_acc_range_ops =3D { .set_notify =3D knav_acc_set_notify, .init_queue =3D knav_acc_init_queue, .open_queue =3D knav_acc_open_queue, diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_qu= eue.c index 06fb5505c22c..f2055a76f84c 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -411,7 +411,7 @@ static int knav_gp_close_queue(struct knav_range_info *= range, return 0; } =20 -static struct knav_range_ops knav_gp_range_ops =3D { +static const struct knav_range_ops knav_gp_range_ops =3D { .set_notify =3D knav_gp_set_notify, .open_queue =3D knav_gp_open_queue, .close_queue =3D knav_gp_close_queue, --=20 2.45.2