From patchwork Wed Sep 6 10:03:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375550 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 06F56EB8FAF for ; Wed, 6 Sep 2023 11:16:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Reply-To:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References: Message-Id:MIME-Version:Subject:Date:From:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/Jqj9kZpyDXWoh2Ey+r2wyaUKTJ39OGRLr0YU7e/1XA=; b=ZXnmdHk/TtGfuS KW+tX1Ff4u5HUMQvHETMdw7gD0ZL7sC1UxHZdrANtI9NchdroPsnPpOaFy/ZrFy9T7tVVJIsGpp9Z 8m73tEVaTY+D542NuRea/RzbQlICKddbvNZnpbX4U2s2UZtuCNzLw03Eq6R4jQCxsnb1bZwy+9ZZ5 D+W61aHXX70vjGKdz4YnW7SPqxFFUZRQCs3S/uqkpxav+WObLp9F2gy05UHzK1h8B4sx+qm0RhohX FQruzHkUKrEhfHu5+EqfFiESqmkNVeM5OXDm9Izq7LG5/htDN/GQm1QpLcahIjcjZxfMhxZiWPMsw bpJnqVuopRECExTPRhmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qdqVx-008aaO-0s; Wed, 06 Sep 2023 11:16:05 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qdpOg-0083rY-01; Wed, 06 Sep 2023 10:04:30 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Reply-To:Cc:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Sender:Content-ID:Content-Description; bh=hoORSi7bsviDav4J+xUIz4N/Az/JXiXCbQwyKHWmNF8=; b=EUqBpfGOkkVoc+cMFIp3eIEGVa P+jNFEFKLiirkxAJV5BpucfmZ/0HKj4ZqqHKFhj4fliq4hU6xTjtpdGgD4WPuQIa2KRZF1/C+q6lJ XS+9k+BRf0AbvOjy59XJ0FjuqNiwOpEMFu85Apcsp6w5J81y/mYsWzuImAyK4oWyp1dwmChLMtPpI 3nfJm2VosstKeLodi/e2deBPYG09or7OwDcRTs3R49gy7izwF8JCCv5lDJ2o4tjwTStVPr25lc+63 GT+NOpvMoRA4dqwhZkfMQ0+Mzgxf1JTz9TTeTrTTyiQ0cpK8BOvscGQWhJt+z8PjR09y/CCqYUZKC PODL5I7Q==; Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qdpOS-0012PS-17; Wed, 06 Sep 2023 10:04:27 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8282EB81859; Wed, 6 Sep 2023 10:04:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id A271EC433C9; Wed, 6 Sep 2023 10:04:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1693994648; bh=VysNQIw8RqZ251SD8iirkwJVqOjQgcW7gqwbOlUu+4g=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=aUDlOK0XkTcKLOucvS9lSupairs9q6Fr7kFpNNG1vojCN0v4SEvhslMG7mZ2Wxdo7 ga+KHj+N1fyzD+URMn6BVdVEnfa3dJsb8WVV44I3y33XejRijyXYT/Mh7IWNwstKIe EJdIsg/JEwmhiGWvip7GNkLUL9phZhWh9Rh3kJhaHEeKaPNlhP+Cv8j1sAP9ZM1INa toLaIF5SsgIVBb0oAjbP3OA7wj/blGpcDCk2z7D0b+qnM2/kVasRMplbe2L3F7gqBF /XywM2th7T9FZh+zpaMLDj9kefCmPo6F5RBYBSYrRNDrT86XY0o8Rv1IZqqhYNeMQd +zwrSQ59aDEXA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F69EEB8FB7; Wed, 6 Sep 2023 10:04:08 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:22 +0200 Subject: [PATCH 1/8] S390: Remove sentinel elem from ctl_table arrays MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-1-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=3312; i=j.granados@samsung.com; h=from:subject:message-id; bh=2H2WzHl1n5TkpobrfRC4Stm2MJ3A7MviIWn7mV1kLj0=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6UZcDRrcDgi6XDgHoPgVGiMLF7dg0Lwe1D8 WrUlTZwO2uJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlAAKCRC6l81St5ZB T7eFDACYd/thv7eog9R+8K3MNNvNcrogNfqCUi3KZYYpEM6mbOExHxEHer5opFU0aar2lKX3P2a kuLYmZScpymlZ9mWz/4dlmRQLKFo+UjTlqzIc4W+knLH9s5GNh3SO2Cu+r+8t5ThHTd2mg2wqQK BYbEjGISQ7yu+qgZvbUVM6lhaF88gOAQkyZAlwZZVNBxuxrx0PARpCrsOi8JBXgs2/BptD1ynJh nKP+HQZam1M11IH4uQHT3BG+coO1Y8VIfX5PBSLl5Dkz6PWyHpli05ZN5h5hnV7dqdxqA2siPha Ko8a6YP9YqBZGKiuEhTNWybGdn962FqHpz8s+teStd5gQFGrT8+t83ybZanx2KKzws0zIjyYr01 ZBrRo32fxR9zwgTehsh0iA0Jb4DUyudUiO5yAk2LiHRJYku03jQmsTcfXgz49cg/ez0vmu1pC0y 3uChH1l23/cE7jsdYOzUQY39WzC8ImccPHMEX8ya5YrWiGdqsAAPUd8mfAW3g9XNyNJos= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110417_985312_378E43CB X-CRM114-Status: GOOD ( 17.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove the sentinel element from appldata_table, s390dbf_table, topology_ctl_table, cmm_table and page_table_sysctl. Reduced the memory allocation in appldata_register_ops by 1 effectively removing the sentinel from ops->ctl_table. Signed-off-by: Joel Granados Acked-by: Heiko Carstens Tested-by: Alexander Gordeev --- arch/s390/appldata/appldata_base.c | 6 ++---- arch/s390/kernel/debug.c | 3 +-- arch/s390/kernel/topology.c | 3 +-- arch/s390/mm/cmm.c | 3 +-- arch/s390/mm/pgalloc.c | 3 +-- 5 files changed, 6 insertions(+), 12 deletions(-) diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 3b0994625652..872a644b1fd1 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -62,8 +62,7 @@ static struct ctl_table appldata_table[] = { .procname = "interval", .mode = S_IRUGO | S_IWUSR, .proc_handler = appldata_interval_handler, - }, - { }, + } }; /* @@ -351,8 +350,7 @@ int appldata_register_ops(struct appldata_ops *ops) if (ops->size > APPLDATA_MAX_REC_SIZE) return -EINVAL; - /* The last entry must be an empty one */ - ops->ctl_table = kcalloc(2, sizeof(struct ctl_table), GFP_KERNEL); + ops->ctl_table = kcalloc(1, sizeof(struct ctl_table), GFP_KERNEL); if (!ops->ctl_table) return -ENOMEM; diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index a85e0c3e7027..150e2bfff0b3 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -977,8 +977,7 @@ static struct ctl_table s390dbf_table[] = { .maxlen = sizeof(int), .mode = S_IRUGO | S_IWUSR, .proc_handler = s390dbf_procactive, - }, - { } + } }; static struct ctl_table_header *s390dbf_sysctl_header; diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 68adf1de8888..9dcfac416669 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -635,8 +635,7 @@ static struct ctl_table topology_ctl_table[] = { .procname = "topology", .mode = 0644, .proc_handler = topology_ctl_handler, - }, - { }, + } }; static int __init topology_init(void) diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index f47515313226..8937aa7090b3 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -331,8 +331,7 @@ static struct ctl_table cmm_table[] = { .procname = "cmm_timeout", .mode = 0644, .proc_handler = cmm_timeout_handler, - }, - { } + } }; #ifdef CONFIG_CMM_IUCV diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index 07fc660a24aa..e8cecd31715f 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -29,8 +29,7 @@ static struct ctl_table page_table_sysctl[] = { .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - { } + } }; static int __init page_table_register_sysctl(void) From patchwork Wed Sep 6 10:03:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375492 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 81EE2EB8FA5 for ; Wed, 6 Sep 2023 10:04:45 +0000 (UTC) DKIM-Signature: v=1; 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Wed, 6 Sep 2023 10:04:08 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:23 +0200 Subject: [PATCH 2/8] arm: Remove sentinel elem from ctl_table arrays MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-2-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=4110; i=j.granados@samsung.com; h=from:subject:message-id; bh=kRRgU9TB4640um/mWRntJEhdx6NG5ds+BwxX9jXrRXA=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6Ur2J0kuQcNZObNxMe0aJ2hWc7iqqapxvuF OwJdlhaURSJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlAAKCRC6l81St5ZB T1yUC/4yflkwsD8iS/7Czi88MHtKqSjX9ywAVic2vtw9U3RHdGW1Cpc9iSXsTYtOI/FHD7Wtnb3 fSLNGEliGcqaGR9KNJbwTfnCFZg7LquUXjT2ecnK7FdliQNOvehRbMkkJUj5awgq/g14eC4cpPq 27uxAt9wOVU35+G1zNJybSMVlhYlRBFX+Mt9XlFB6zLXeAyIR5TMidTAiw9EHNQ1UpP24K14cd+ XBTab+hvuXZ8gu4koUQS+ASkCRBVn6VdA5ZWeh5w5YoiPemdG4r5vfIDDl4oz6RQ5Ysm9Iq5swx 9sByh27nj7dLaFs+8N59sQoSiICG4FKxxj9V9N94wAmol2bpNdFqQSYq+RQnMvet1FsUWpHUrdY +Q4tMhoT1vzhKpOmX+5dZ23riHPK7gEC+nRb2wBafDrBrk+zirIqkyMaN0iULzIVKo8ffkoweDy 6Tz91Srx2S1YeBzrf1azOZwHUho/4ZRuirvEAjww3hnI2HniWQj7Oud+TjCR8MwiCFOqg= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_030413_147570_A70547C3 X-CRM114-Status: GOOD ( 21.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Removed the sentinel as well as the explicit size from ctl_isa_vars. The size is redundant as the initialization sets it. Changed insn_emulation->sysctl from a 2 element array of struct ctl_table to a simple struct. This has no consequence for the sysctl registration as it is forwarded as a pointer. Removed sentinel from sve_defatul_vl_table, sme_default_vl_table, tagged_addr_sysctl_table and armv8_pmu_sysctl_table. Signed-off-by: Joel Granados --- arch/arm/kernel/isa.c | 4 ++-- arch/arm64/kernel/armv8_deprecated.c | 8 +++----- arch/arm64/kernel/fpsimd.c | 6 ++---- arch/arm64/kernel/process.c | 3 +-- drivers/perf/arm_pmuv3.c | 3 +-- 5 files changed, 9 insertions(+), 15 deletions(-) diff --git a/arch/arm/kernel/isa.c b/arch/arm/kernel/isa.c index 20218876bef2..0b9c28077092 100644 --- a/arch/arm/kernel/isa.c +++ b/arch/arm/kernel/isa.c @@ -16,7 +16,7 @@ static unsigned int isa_membase, isa_portbase, isa_portshift; -static struct ctl_table ctl_isa_vars[4] = { +static struct ctl_table ctl_isa_vars[] = { { .procname = "membase", .data = &isa_membase, @@ -35,7 +35,7 @@ static struct ctl_table ctl_isa_vars[4] = { .maxlen = sizeof(isa_portshift), .mode = 0444, .proc_handler = proc_dointvec, - }, {} + } }; static struct ctl_table_header *isa_sysctl_header; diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c index e459cfd33711..dd6ce86d4332 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -52,10 +52,8 @@ struct insn_emulation { int min; int max; - /* - * sysctl for this emulation + a sentinal entry. - */ - struct ctl_table sysctl[2]; + /* sysctl for this emulation */ + struct ctl_table sysctl; }; #define ARM_OPCODE_CONDTEST_FAIL 0 @@ -558,7 +556,7 @@ static void __init register_insn_emulation(struct insn_emulation *insn) update_insn_emulation_mode(insn, INSN_UNDEF); if (insn->status != INSN_UNAVAILABLE) { - sysctl = &insn->sysctl[0]; + sysctl = &insn->sysctl; sysctl->mode = 0644; sysctl->maxlen = sizeof(int); diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 91e44ac7150f..db3ad1ba8272 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -588,8 +588,7 @@ static struct ctl_table sve_default_vl_table[] = { .mode = 0644, .proc_handler = vec_proc_do_default_vl, .extra1 = &vl_info[ARM64_VEC_SVE], - }, - { } + } }; static int __init sve_sysctl_init(void) @@ -612,8 +611,7 @@ static struct ctl_table sme_default_vl_table[] = { .mode = 0644, .proc_handler = vec_proc_do_default_vl, .extra1 = &vl_info[ARM64_VEC_SME], - }, - { } + } }; static int __init sme_sysctl_init(void) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 0fcc4eb1a7ab..48861cdc3aae 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -723,8 +723,7 @@ static struct ctl_table tagged_addr_sysctl_table[] = { .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - { } + } }; static int __init tagged_addr_init(void) diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index e5a2ac4155f6..c4aa6a8d1b05 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -1172,8 +1172,7 @@ static struct ctl_table armv8_pmu_sysctl_table[] = { .proc_handler = armv8pmu_proc_user_access_handler, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - { } + } }; static void armv8_pmu_register_sysctl_table(void) From patchwork Wed Sep 6 10:03:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375551 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8CFC2EB8FB7 for ; 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Wed, 6 Sep 2023 10:04:08 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:24 +0200 Subject: [PATCH 3/8] arch/x86: Remove sentinel elem from ctl_table arrays MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-3-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1462; i=j.granados@samsung.com; h=from:subject:message-id; bh=zE8VMMPVQAIy8aYws+rz9C7nboCop5JGzS4P9YCQBl8=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6UOpNP14i3hne/osuimerfTGC3syLUxLuIE wJnpVtSWo2JAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlAAKCRC6l81St5ZB Ty+ADACIdkG3Hd7tMm/sgfnkWqZQ41Yqd4IqdWF3+e/5NOpevgoE/o35ullHAkd+2+l54Gro3re 805skkVS7qQpu0GSacvMb47Ph0nmJsJ/3t+fQxhqRqfQZlhrqDpTY3sJYdbls932x0mXiXdRePW onZGnYDxlkWQlKKOjPUAdV8ydzH8RRVhEibZfi/O9W/oqOCvySZGu3WH/frsjAvYcR5m9xeYOV1 sWc6C293qC6bApVsEyywLxZb6a/FO+J3R5mFpq8AEIoKH5HLwQe7kj8DbPLQ7Hy8OVR6Xg5cXFr 17bCYjl2uGbwXx90Zeg8x1lmyvF86/CWj6u+wrPIyXxT99cq6GWFGsIzA62RT+vtmiqa51QrniI 27jCQay0zabmB/WRkRMcq6n2I7Lt6wGJ0g/i7gI3MfBBqi/cpAtcvde3NNHcGoZoDKvnPY3bhSB dQdCAAKz/tFS678n2zpX68mI+DJnUxqI/EweCEX18IdWgPBEkYQ0iOIhXhO/XiPyrsM/g= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_261996_1BF1113D X-CRM114-Status: GOOD ( 14.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from sld_sysctl and itmt_kern_table. Signed-off-by: Joel Granados Acked-by: Dave Hansen # for x86 --- arch/x86/kernel/cpu/intel.c | 3 +-- arch/x86/kernel/itmt.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index be4045628fd3..e63391b82624 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1015,8 +1015,7 @@ static struct ctl_table sld_sysctls[] = { .proc_handler = proc_douintvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - {} + } }; static int __init sld_mitigate_sysctl_init(void) diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c index ee4fe8cdb857..5f2ccff38297 100644 --- a/arch/x86/kernel/itmt.c +++ b/arch/x86/kernel/itmt.c @@ -73,8 +73,7 @@ static struct ctl_table itmt_kern_table[] = { .proc_handler = sched_itmt_update_handler, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - {} + } }; static struct ctl_table_header *itmt_sysctl_header; From patchwork Wed Sep 6 10:03:25 2023 Content-Type: text/plain; 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1000; i=j.granados@samsung.com; h=from:subject:message-id; bh=vL1EzsjYbFXKFrtK9nHJVvAi8tmBe++iatkzXK58byA=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6VLWSScWJxr1IbmgKPa1RZW7ObxI6WU/TSb /w1xzkBrsGJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlQAKCRC6l81St5ZB T411C/4nYVxay01MI0fYlh2tXeRCZT4XrLhFpLHSsLO88W+1QBZQtZ8gO2vM+93YWSmHFkQoCsR KcoJwZ+EkkMf8WsQfME5NZZe9QqAWa0BuN3fag7YtX7JeDKjC5MraH/M3Zm35qVZ29hSCd/4mDY 8DDTvWypGbwepR7WT38A30v9LrG80iOyooAB06kaGaxwXBA3ii+b2P6VHUVMlvMLuWkUOyok6/z nA2x0x83Wvsq170HlyQKHOBwap14ZhJ6OPoFSyTWUr6U983PpnqsfDmTcYgdE+OARYk8x4Ngmcx IRZjjJbvj2Sm+tgS6ENeITYZVJd8V0y0m8MU6xbC9ZLpoWEJGxj6JLAvO/ZSPaiRekoLloMAteJ es6duh9rqCsTesV5rsulOZIo6tufJTM0rY9CFw8vaGH/f/Kt3xBuSdy2fhgoBSo+hfeoGpSsKyE sbPcJ2atpAF8XbaZ3GdfKliG0jmCzxzi14sxh9li2gbxkwNwKNDKPBCYFUWsOqoMQezN8= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_350999_7D28B762 X-CRM114-Status: GOOD ( 13.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from abi_table2. Signed-off-by: Joel Granados --- arch/x86/entry/vdso/vdso32-setup.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index f3b3cacbcbb0..37b761802181 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -66,8 +66,7 @@ static struct ctl_table abi_table2[] = { .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, - }, - {} + } }; static __init int ia32_binfmt_init(void) From patchwork Wed Sep 6 10:03:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375549 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 793B9EB8FB6 for ; 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Wed, 6 Sep 2023 10:04:08 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:26 +0200 Subject: [PATCH 5/8] riscv: Remove sentinel element from ctl_table array MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-5-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1003; i=j.granados@samsung.com; h=from:subject:message-id; bh=t3WkpVtcuZNgLfzODS/f6Wl7+8aj87aPFtcdo3tcO7g=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6Von/T+ilU5pBn4tuVN9msXbNXiDEdCeNZM WZu4HJ8S0eJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlQAKCRC6l81St5ZB Tz3jC/9dN3MWg/3ZWUm/XKdTghUQEp17Vk2HqbZ/vM6brez2iYSNe78aEZgEeiVqr9uX1yKcNlL yv9Yx9SlvuX5AVA7JTJD9S9MXahhpbfHtiI9Am58HnMs2Z7Lzl2Ko/pKVIMu8J+pCSzNiPqpFOZ xe1xyI5cemTS8YFjjL/q9ABG7R+ug+GAv2Iuy+7jJn2PQ7Fyh0GFdc4zsjdwQBY+4vB0SxFV6ka XuUtM9oMYkSjDy7a9pdUOxQBBy1xBFnjmsyS8srdB1t8+/A4rjeqcZIytVtQejZa8lqPjmqoMuk XZOreS5jqEblBcNJPg41oJ1o0J8jTiG4qbQZ65xtyyVPeSYekAyUVQHxF2iZ+WkIPV2APheEDU0 Cemyp+peINjokedAcLEjKDIqxg9XQNYXhTdmBvhU2FdgRkKIBf67ryX5hN5lkSktgPVaJqSFWvc Bn01a42l5syjn7KRc/p1e2FbBVgv2tHfrjWzpcWJaHvsbjOKL24B4TSWJBtabzIHzyYXs= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_331242_4BE476EE X-CRM114-Status: GOOD ( 14.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from riscv_v_default_vstate_table. Signed-off-by: Joel Granados --- arch/riscv/kernel/vector.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/riscv/kernel/vector.c b/arch/riscv/kernel/vector.c index 8d92fb6c522c..a1ae68b2ac0f 100644 --- a/arch/riscv/kernel/vector.c +++ b/arch/riscv/kernel/vector.c @@ -254,8 +254,7 @@ static struct ctl_table riscv_v_default_vstate_table[] = { .maxlen = sizeof(riscv_v_implicit_uacc), .mode = 0644, .proc_handler = proc_dobool, - }, - { } + } }; static int __init riscv_v_sysctl_init(void) From patchwork Wed Sep 6 10:03:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375493 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A52D0EB8FA5 for ; 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Wed, 6 Sep 2023 10:04:09 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:27 +0200 Subject: [PATCH 6/8] powerpc: Remove sentinel element from ctl_table arrays MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-6-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1535; i=j.granados@samsung.com; h=from:subject:message-id; bh=AZTpWnc9Tguavv1ZBhlcXyvQ/Aep0cCp/ystxsndzeE=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6VsYQJgrM4mDejh0WIgkXQmNLCYTtV63a0m wnyXdpdhsKJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlQAKCRC6l81St5ZB T1diC/9d0C4FHbpBiaJFHXtbACOtzqulSee1sbUdPEA8KxQ38moE5wkRMEO48j7ULAr22+oAFlU tOWZNZeTuM3vykNUDZui/AuCFCaBlo+8+659sAQGGDLI6Cw9IGSxUisCkBoMAvQeAPR2FJvqlpu IyjOWb5aigsLR15eNNa71GZPhep9GswNIFgSdPX8f/OnMkdtzwjsXgeCLf1n+hnqjgPdVIzNsTb /6ECd8xd/EoPfk3zXZFjti0T6ceK0OihOvoG464xemHH0HvbVp2/iaqTtU0aP4b5eqh8qmnJNr4 MYVty9B0v4w480KUw5mZhqBTBYDdLnMbBNoIU5r0Tk4HQcjlaay5caQeovavKkZZRZtk7u9qlbk P3rb7b9Sy7QVJ8nc9pbGk1n2JB0Z59x96C8MNYei+sdvmEEpE3Neq7GvZ6zP3lvAplVYLrhAs0s TZ8uvUbxjeB0IP+b3e6Sb+x6fOVoKl176Gju0I8XYPTyc2gbXtqvtnCJWbJuLFgTbC63c= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_354358_CB0B74AA X-CRM114-Status: GOOD ( 14.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from powersave_nap_ctl_table and nmi_wd_lpm_factor_ctl_table. Signed-off-by: Joel Granados --- arch/powerpc/kernel/idle.c | 3 +-- arch/powerpc/platforms/pseries/mobility.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index b1c0418b25c8..a8591f5fa70e 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -104,8 +104,7 @@ static struct ctl_table powersave_nap_ctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, - }, - {} + } }; static int __init diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index 0161226d8fec..d82b0c802fbb 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -60,8 +60,7 @@ static struct ctl_table nmi_wd_lpm_factor_ctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_douintvec_minmax, - }, - {} + } }; static int __init register_nmi_wd_lpm_factor_sysctl(void) From patchwork Wed Sep 6 10:03:28 2023 Content-Type: text/plain; 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=904; i=j.granados@samsung.com; h=from:subject:message-id; bh=KVD0r38Cili5TZDRzSBYSSUVuCqs3hfxf9D58EVeiJs=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6WE//Xcwga/1NK2RLvtOot92IMQidneKT5p v+BAfqJ9cuJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlgAKCRC6l81St5ZB TydxC/9h8/rccF341foOCgTiAME0wS/e9CbIyL0MBWHLnGQcnYp+RhqdOL0GqHAz726Be1j15kO v6YfgptJJw0OJvMP2WWim+xDgOYuBwfWffbIOEjiAZuahyU2itf1YdleanEZfHhbUqci//oJqSh 0ajDFBrA+FJKGxCR89VZ01mvGJI5OzswbPnBN32NY4P6KwIE5UoxBLOyxfcT7EtwIQWKpqTk8Pk Tulducj2tt8/hPjMNRJetxGELK6ZaYDuLeG7JX3IXgv06/gZXR08QuTLJXmTBEC7oy80w8isUKr hY3CrAwd+3lFltSZdYchIvP73k94L3GvSEJz/G4tAoYa/ULVVQw5ClmPo4Se9AmCl7KWNCFFxk3 YU67Wru1bC8mqE+BTU32baxgXb4PMz/bRGO5NXF5C2K7CYClJy4ZobHb94Ib7QdkgbMhGjwyBoE AxKe/dAVVCRcQ7EK66c3SmG+78AEf84jHaVHhmR0xjp7NumHR5XRJFCWi13YS3+jpgjhc= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_351296_ACF864FB X-CRM114-Status: GOOD ( 14.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from kdump_ctl_table. Signed-off-by: Joel Granados --- arch/ia64/kernel/crash.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 88b3ce3e66cd..fbf8893a570c 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -231,8 +231,7 @@ static struct ctl_table kdump_ctl_table[] = { .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, - }, - { } + } }; #endif From patchwork Wed Sep 6 10:03:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13375553 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 21EF5EB8FB8 for ; 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Wed, 6 Sep 2023 10:04:09 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 06 Sep 2023 12:03:29 +0200 Subject: [PATCH 8/8] c-sky: rm sentinel element from ctl_talbe array MIME-Version: 1.0 Message-Id: <20230906-jag-sysctl_remove_empty_elem_arch-v1-8-3935d4854248@samsung.com> References: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> In-Reply-To: <20230906-jag-sysctl_remove_empty_elem_arch-v1-0-3935d4854248@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Iurii Zaikin , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , Russell King , Catalin Marinas , Will Deacon , Mark Rutland , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren Cc: linux-fsdevel@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-csky@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=980; i=j.granados@samsung.com; h=from:subject:message-id; bh=7bf5/tJGBhUQ9WK71ygDU4S0n97i+v0/NjwZE0o5pgU=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBk+E6WREfxGpSEon2IoEhHuwmPhd3lTNK0oImor fAfRY0k+XKJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZPhOlgAKCRC6l81St5ZB TyDwC/9FZEUSgEzlF7Ci/QWFlhzpOZwTgs6G1qVsDC2AsbhA0jgrplsVHcwsNKyVlmGgQ5vfrta AH8fSSOEcSJfoy1ev1mzCDfYY+AwZD0Iy9ga2WQ2skPBd9sjsJmzzsq01zWuRA3K8vELOvAmw5X 5wDlhgg73sM7bY5QFpAvBOUwA0iCDvesjkqvKzOcDtOI7UHvrhvA4aU707BZq6KxCZ2sjHNMG7/ L0mYjBGd9aLOWanKzP6FdWafWJZVG1SXFRLtfhYGo1kAHi0uSOYPGzvhR0TCbXXWVgwaFfJgjyJ CIDqEL5JsAA1uo9NErYbwccIFdf77G8k2faRS0nqc9bwzQkHIYpauUZZgzHkq7RlWXiMx+wiIsX ZNw2x+uXfqg2gDOa2PUzENunfeKSWXRdUUbLHyvQylboT6rPMLIct3GIuYh6cpwNTkzK886rmRn 7/5Cf/CQU1gWgoVV9rRFdJSkFrYISwOHblDUKSVegiC+VPuuYfY+EPVPZcrT2S+IYb74U= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_110418_359275_5925F76B X-CRM114-Status: GOOD ( 14.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: j.granados@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from alignment_tbl ctl_table array. Signed-off-by: Joel Granados Acked-by: Guo Ren --- arch/csky/abiv1/alignment.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/csky/abiv1/alignment.c b/arch/csky/abiv1/alignment.c index b60259daed1b..0d75ce7b0328 100644 --- a/arch/csky/abiv1/alignment.c +++ b/arch/csky/abiv1/alignment.c @@ -328,8 +328,7 @@ static struct ctl_table alignment_tbl[5] = { .maxlen = sizeof(align_usr_count), .mode = 0666, .proc_handler = &proc_dointvec - }, - {} + } }; static int __init csky_alignment_init(void)