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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id be3-20020a656e43000000b00585a02550e1si7705464pgb.50.2023.10.02.04.34.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 04:34:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=H8AkdvIe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 831EB80752AD; Mon, 2 Oct 2023 04:30:44 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236704AbjJBL3d (ORCPT + 17 others); Mon, 2 Oct 2023 07:29:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236699AbjJBL3W (ORCPT ); Mon, 2 Oct 2023 07:29:22 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BD07C4; Mon, 2 Oct 2023 04:29:17 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id C2B8EC433C7; Mon, 2 Oct 2023 11:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696246156; bh=ZJT/h6KujIsYVdJAaw35ma6el/sMgxTmZwB8rPTK3Jw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=H8AkdvIeEYjRYVGHhgh4jofXC6pRgfgRUn977wPUoBVixl7Ihv27IlVCkDkbzYgUw JX3YmfESSQAA3wHuzCFfySd74tVQvryVpGAhB/4RNJZwz5kjyf0O9g4ZblOx1CSlFW 5cDEgwcBowAUng6+x/lrk5488XQ0u6ERILRg4fdsypnepBeNOyevQwqGkGrlZqZMRZ 0pUoDjC6Wh4lx8N2RvREMCpw/5KzB14bmOYvmc8urrphBg2fzpeHtc7lKSf2YNfjZT UhyE56Yp5+vYnCRmjFygSZ8vRdyBxx3AYRkRt311hmSkSGw+ThguHUuzIsv0g7AmXS cdDnGnTbBKgcg== 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 A2F57E7849A; Mon, 2 Oct 2023 11:29:16 +0000 (UTC) From: Joel Granados via B4 Relay Date: Mon, 02 Oct 2023 13:30:36 +0200 Subject: [PATCH v3 1/7] S390: Remove now superfluous sentinel elem from ctl_table arrays MIME-Version: 1.0 Message-Id: <20231002-jag-sysctl_remove_empty_elem_arch-v3-1-606da2840a7a@samsung.com> References: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@samsung.com> In-Reply-To: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@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 , Alexey Gladkov 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=3352; i=j.granados@samsung.com; h=from:subject:message-id; bh=pn7bMLkI/eiDwqHrK4wsGA8iyiwVG5+tCRzjqhQHPj8=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoTD6OVG9z33/NcsqSkaUWni+BE/Ybac1ZbK D1bCulrq+eJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqEwAKCRC6l81St5ZB TwDYC/9wIAwjRpEE+yBz0V2sOLY6kH75yeL1P4jA+iE8PZylyyQ4a7Q8dvoM7DaRdzBzwm+UOho QCKoGbsX1Zj06C25/5fCa/5HFwqZBRfRrQ97ynnEe0fsGmXQ6MhzDErFBe1s/lW6EmrJnn0df7g uWO2RFOeND4Hdd55odOt7pkrsTqxtAMkTGhjQJVWrnrsy69EXJ/DmrjJxTn7x+UmSSN5pWrEed3 vUCje8uKasMyEUm20V8M6nAVZ6SlaefUBhwJDsnUIccjpR96uAVXpByYrbXZqvVOlPJovahzjX5 hmbdAm4hk9bkVLZkkGNfIlnkM/ynS1r7+X7z2huAe1ifp14shL8PpCcNO7t6kiw8K+4l1IjdQ5/ yKWU1MuOLlcsMLx15ZgcFep8d0UAE0W0EFfztbWJ9QDXLY5cpgNGfTzHANoZsiX25PesgriFHLP jXdz1Yz0b/RR1QL7CbA0JRsDMWTsNyZeeD1zcG/iOPiIZTh313h1l4kk1TDYsdKznk1YU= 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 Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:30:44 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643352141930577 X-GMAIL-MSGID: 1778643352141930577 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. This removal is safe because register_sysctl_sz and register_sysctl use the array size in addition to checking for the sentinel. Tested-by: Alexander Gordeev Acked-by: Heiko Carstens Signed-off-by: Joel Granados --- arch/s390/appldata/appldata_base.c | 4 +--- arch/s390/kernel/debug.c | 1 - arch/s390/kernel/topology.c | 1 - arch/s390/mm/cmm.c | 1 - arch/s390/mm/pgalloc.c | 1 - 5 files changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 3b0994625652..c2978cb03b36 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -63,7 +63,6 @@ static struct ctl_table appldata_table[] = { .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..85328a0ef3b6 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -978,7 +978,6 @@ static struct ctl_table s390dbf_table[] = { .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..be8467b25953 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -636,7 +636,6 @@ static struct ctl_table topology_ctl_table[] = { .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..f8b13f247646 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -332,7 +332,6 @@ static struct ctl_table cmm_table[] = { .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..75e1039f2ec5 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -30,7 +30,6 @@ static struct ctl_table page_table_sysctl[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; static int __init page_table_register_sysctl(void) From patchwork Mon Oct 2 11:30:37 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: 147246 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1360181vqb; Mon, 2 Oct 2023 04:36:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHOStFPC681F2kXXZwhJ88h4lNVM3Aidrhf8W36dawFQqNbA8k/rqJ5/u5Tq62bJEBAe5gq X-Received: by 2002:a05:6a20:a120:b0:153:39d9:56f8 with SMTP id q32-20020a056a20a12000b0015339d956f8mr16717518pzk.15.1696246571576; Mon, 02 Oct 2023 04:36:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696246571; cv=none; d=google.com; s=arc-20160816; b=O3ZkNT82ZQC9vNX1NNaZegTJ05qhBQzmXrRf1x4K8CwWElNfLaecviWrgNmPyEkLdK FLbImkn7DNKkOmvuiTPWPqMJhhfFXo2+cXbj30pRGLjOztdnQIdT9cgpjUXkZpZmsjUc MnmPI6Vk/C/R1HS8LLy8PwP1g5E4xswiJ34vDXCD16my7BkPHaF7Kvdok6Wnea/U3Tbn iFRGts8mfcOqbVrc2qiA9hhphfYz/GT1MtaZy64qKeZ+118DTzFH3hmcabJsUEIXmjGi ttR4ly+dtaMmn7rABE7SCaMjIIbJoNkcPI3qWhuxYDAOqEZNzok0PYUKl3E2S0lzitcB QEcA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=GrZr4VcyKUuuhJNiQ5lFK/AYbvbytirgxREwH+dyB/0=; fh=WJcUZiMTZ7tbkFPsPSaZrD1XwOUBJyh3CP0ySM2Q5nY=; b=EoMHaFNf4P3GWkycB1jpiSc+h37PyI4Cf5WkiGMajCcojgF7oLbW30g6bLnvg+fH/K CDLhLVCOtiTVooWSqTtJI/M2cwukvFyPrsFwezwoh5IRHQCHVPoE00NENqGVXii6iVfe 1Xt5HnNeJN5Fd10xjYV9zLKdZ8KHAoysULBP+dyv8/vTQQxxxYicSLMn+6+7QZFm353m PFFi2E3rXp1qF/ft4HAiHfW/CAwAQGkEpLm7GLMijPsD7KbMLHZGnVuAUNyrp+fCDF7M bY22lG5IFtIb7ElWn5HCJ6xCFO1B0d53ZCNZ7juDiKx/7f2YtCZY/R6CrWTQjkP3dxAb oJwQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IGXvrk12; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from howler.vger.email (howler.vger.email. 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren , Alexey Gladkov 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=4081; i=j.granados@samsung.com; h=from:subject:message-id; bh=noJ2f5toULSK3D+m+WiinBKzEVnC7kJRWHJwSjStNEU=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoT2tQ00qLwlU0pF99AimxPT3NSvuEoU5o3r ErsN0KqCAaJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqEwAKCRC6l81St5ZB TwztC/9795Kms0ahyuiZifUnGcF0XI4xsRGqRrXa27VtzuDrwO0ukaBXvlYD7ODDx/fRUTYHGAA 3GTPbzTyN+niCpjPUwczSr5F6gJ1OW7UknG7REfzapRZidaaIjjAM1vSsgQlPuDWqfmVlhSSXA+ 0OMIA7+QnwwfjsdpMY+fqo7Z7HYkVolipDKJAI0AYULOB08BiUB7bjgSV24/oMHotxxfMiBkTB0 IsuUT2JiLXfi/9dq3A2vUaiOTqMs6vB1AnDjPhrvLTEwvpvBJhzK3dvF/wrrYVcN4kRjiGd835w +MwVvDhWSmMqxAP/JJt88xKwjLhev0BgndjIoJvmKvSzVvu2x+nvDoitf0QHM/atrtrR+YPw30n ozpOdedQmam04sMQpTKEghZma3Ty/ILWzOVrZCzcBQCdzh5x6t28tJ2KdsUuCYZRWqi4rEv5B+U MbfO9gyd7CqJEzWl8wTveCs3D+8J3YmMBkqXiEiS+86ETGhrYYufmVDCWO16fsyU9TPcQ= 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 Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:29:59 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643445005860459 X-GMAIL-MSGID: 1778643445005860459 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. This removal is safe because register_sysctl_sz and register_sysctl use the array size in addition to checking for the sentinel. Signed-off-by: Joel Granados --- arch/arm/kernel/isa.c | 4 ++-- arch/arm64/kernel/armv8_deprecated.c | 8 +++----- arch/arm64/kernel/fpsimd.c | 2 -- arch/arm64/kernel/process.c | 1 - drivers/perf/arm_pmuv3.c | 1 - 5 files changed, 5 insertions(+), 11 deletions(-) diff --git a/arch/arm/kernel/isa.c b/arch/arm/kernel/isa.c index 20218876bef2..905b1b191546 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..9afd0eb0cf88 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -589,7 +589,6 @@ static struct ctl_table sve_default_vl_table[] = { .proc_handler = vec_proc_do_default_vl, .extra1 = &vl_info[ARM64_VEC_SVE], }, - { } }; static int __init sve_sysctl_init(void) @@ -613,7 +612,6 @@ static struct ctl_table sme_default_vl_table[] = { .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..610e13c3d41b 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -724,7 +724,6 @@ static struct ctl_table tagged_addr_sysctl_table[] = { .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 8fcaa26f0f8a..c0307b9181c3 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -1175,7 +1175,6 @@ static struct ctl_table armv8_pmu_sysctl_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; static void armv8_pmu_register_sysctl_table(void) From patchwork Mon Oct 2 11:30:38 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: 147244 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1358287vqb; 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[23.128.96.35]) by mx.google.com with ESMTPS id o15-20020a656a4f000000b00565eedb1cf8si30661741pgu.825.2023.10.02.04.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 04:32:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=g63JmB3F; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id A4989802B168; Mon, 2 Oct 2023 04:30:03 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236705AbjJBL3W (ORCPT + 17 others); Mon, 2 Oct 2023 07:29:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236626AbjJBL3U (ORCPT ); Mon, 2 Oct 2023 07:29:20 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90DFBE1; Mon, 2 Oct 2023 04:29:17 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id E58DFC433A9; Mon, 2 Oct 2023 11:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696246157; bh=paEg7jbS6ClwadfTjCY8spaWc4zoBRD4LNZENNl+tI0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=g63JmB3FwRN+ONhF0yFWNoeQbjgW/+dLj88bOfgo+g4WnhlVqgsUhvBXVnqIBEzEa NKA9xpv4v5bqJz5FshYIhdGxjJU/3V+BIpN6DXNW9yYrdu3/naHi10PvjraNLxtpvP lqVL9unEsn8m6mroat6KP9YTq+agMsSs1+ErBDFVshRf5GSQdusPBba1LGchOx1Xw8 ZC73IWYzrJKtOWva3dJcYa0yaY51FbhDQU/XF7igYRnnXwiQodv8iGaZ712BCL6IEh wNHCzz00hC9vYtc17q6bF+uXjeU37b1Ejcs8O5iyNoQZWkXnhXqj8ZfBgNxH5Kk0qe f49vMMABDx3zA== 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 C993EE784B3; Mon, 2 Oct 2023 11:29:16 +0000 (UTC) From: Joel Granados via B4 Relay Date: Mon, 02 Oct 2023 13:30:38 +0200 Subject: [PATCH v3 3/7] arch/x86: Remove now superfluous sentinel elem from ctl_table arrays MIME-Version: 1.0 Message-Id: <20231002-jag-sysctl_remove_empty_elem_arch-v3-3-606da2840a7a@samsung.com> References: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@samsung.com> In-Reply-To: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@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 , Alexey Gladkov 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 , Ingo Molnar X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1593; i=j.granados@samsung.com; h=from:subject:message-id; bh=PwJWF8dvooepoMNz/p+1M3MxYdMvjcobbwcaQ8BSBXs=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoTaJgUocisU/uKHeKQW8lN62asIcRF0tSyU j1bINvl5aaJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqEwAKCRC6l81St5ZB T2WoC/42iLPK3Fpv9v0/UXHAJOtoq4rmwpC6LV+o8A8lRqkO0uVf5VMImgogTwxzXQr1P3Yp0/f VkRKFwLFysV0LI5OTH18s+1eSsihUKcyNYRItL+Uq+SG7vI8uv3w4uq7ydWykr0/1p5fe90bFnZ rT/ph6DGwQ4RaSRd2IwaAXrJoLHLTaGD3zAA5eRCmU++8Rwy2+XIB0JWzH9N6Mp7B4yMOH+oCni h64V+45R1T69SCPmnI4rrG9sYfo2+IWLBGP+D8FI36C+FMUkuhSBjEnDfpt24eZTWWnMsAsJRbS 541J6mTwxGXlPqq3c2f4wXLAMWCm7qio0X0B9ufvk4Ck4h8LNlUwr4yB41O/apZOtev+opRUo2B KvuQDk4hosgIzP4dO6PC22swDlVoomqCwgBL6V0twDOwiRoFLJstFxcGJY+c4YgKfSn9XOzxLK0 boNkZU5mRziaQEPzuSz2ndrwThriKlNPPGY3pJaax9H01L2JtJ5vAJV1/zgY7rDFMm7jU= 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 Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:30:03 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643211747996450 X-GMAIL-MSGID: 1778643211747996450 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. This removal is safe because register_sysctl_init and register_sysctl implicitly use the array size in addition to checking for the sentinel. Reviewed-by: Ingo Molnar Acked-by: Dave Hansen # for x86 Signed-off-by: Joel Granados --- arch/x86/kernel/cpu/intel.c | 1 - arch/x86/kernel/itmt.c | 1 - 2 files changed, 2 deletions(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index be4045628fd3..d9bb53f49a4d 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1016,7 +1016,6 @@ static struct ctl_table sld_sysctls[] = { .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..9a7c03d47861 100644 --- a/arch/x86/kernel/itmt.c +++ b/arch/x86/kernel/itmt.c @@ -74,7 +74,6 @@ static struct ctl_table itmt_kern_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static struct ctl_table_header *itmt_sysctl_header; From patchwork Mon Oct 2 11:30:39 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: 147250 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1361664vqb; Mon, 2 Oct 2023 04:39:06 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGigLkovYhcakUHTyQXvlLI48gDjHqJYIh2LIw5dsysmDB3ohxmt+18oFd2/3AO9HPYqsRx X-Received: by 2002:a17:903:230b:b0:1c6:2acc:62d7 with SMTP id d11-20020a170903230b00b001c62acc62d7mr12079747plh.15.1696246746568; Mon, 02 Oct 2023 04:39:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696246746; cv=none; d=google.com; s=arc-20160816; b=0jZsDnuDv1V7I1I1STiK9XxQjk0sTPqitFYDt9DhmInVqiphoKx1ksw958eMoQXUg+ 94X+RADjiLX4bH7UfpkigBTwdV64a3GZByPgEK6XG9avTwoVJEq2TDnOeMSfAgt0pm1i gV9O8HtQUALVbISFzqjcQ8+tPCq5UqLGculVN8aneTqMx3T+pKm68N4HoPpuSF1lqrLd IbSKkrLyPIe5zjiTTq8wp8BBOSGKy05Ww6B5AkmeFcS+NMVLB9fUpokUt9229kFCVDmt gG6TA7Krynsq4l+DjaTGoAflxOqe01qcJf0yZmtnZpCf0tJFGwpCTARp/B0MJeXZuZst VyrQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=MLKRO5/9M3Q7hg/dk5aGeyDWKIWVj+Q4WsIlnc0EH8s=; fh=WJcUZiMTZ7tbkFPsPSaZrD1XwOUBJyh3CP0ySM2Q5nY=; b=Scm5cguuuf2o56bKjFt0dNEG0gKRXdsC2XZo2PmKZhcLZbc/tjdBg10dqxpx5h6PuM mqsZime94bAv4Z7IwZ8ERVtWKhljC26GDRFWvwkzsCvAM//SV/d3ScymDMNDJ3Jgh11i Y9UgIgYjN8DfsIUyOEqircDbjL6GILMeGFm9BTrqo00OTUT/mbodXkKjs8JSpKjgQ84V GYUNVATVIcglIav1OL7vutgqdpLLd6aEghsB7vyfrwMSrZGgkuxu8TPOnt6DFTNj4/7b agio+s4jDlsfVRGlhwhWGqm+fN8wiKioasKHHHiGyRkeUL3iFyjynnFt/dPaiomkjO51 Eb9g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=t8eQLWHy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from lipwig.vger.email (lipwig.vger.email. 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren , Alexey Gladkov 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=1052; i=j.granados@samsung.com; h=from:subject:message-id; bh=cvzMuUejqMQP+BGPAXWnJqy+jCdRUm5VfxRP0+Qgc7g=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoT7g4+JWiQV8k/61XdOPQ2RonRomvKi5kxu mRiOWMGwOuJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqEwAKCRC6l81St5ZB TzjdC/9fKc+Cn6prbqpjfusVIp8cAMfZKAPr4G3moB2aTF1BnakvXHfY7Wf9qwA/bzZeofKl7SL M1RA2NsVoOzzKzIwtzVeR1Kgk1eRKiCCLRhMJRzoIhlnBR3/jLV5ygVGxnehDO9QwyxuPBS7bH/ n6q/KD3vIeim+dgRREVJhCB0KtJ0kkl7dDm9c+iXNgXuxzcE79yiM1ljMw3v887zH5IUulV62vj 7u/dB2tzjJS5b8Nv8RHdLNWr41UUEXu34VNBYbeAZQ0IKyBb4NGS2n96ZuxpwbLIri3BIYaC8Tw SU3xeiJ2N98pVOgDSYA1ZcpyFFPmKSCPDBeaJ48w3mkpLW6BwYvYb2F6lqwTUzDKfNhkti7+nOK UnZy656UxYdqQ+D5YLCSK8yHkWSvy87yo/DFL3YDErBvdoUZftuyxuV1jvPf50fO8rFalb9YQ1N E9YxTE4f+PYvGFKRxMLF+jQGebqh+zmc2AcJX/3ETJb6Hcl/7hAJXaAHf8nsOaWQ0Wxcw= 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 Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:29:53 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643628066563212 X-GMAIL-MSGID: 1778643628066563212 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. This removal is safe because register_sysctl implicitly uses ARRAY_SIZE() in addition to checking for the sentinel. Signed-off-by: Joel Granados --- arch/x86/entry/vdso/vdso32-setup.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index f3b3cacbcbb0..76e4e74f35b5 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -67,7 +67,6 @@ static struct ctl_table abi_table2[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static __init int ia32_binfmt_init(void) From patchwork Mon Oct 2 11:30:40 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: 147251 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1361719vqb; Mon, 2 Oct 2023 04:39:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHNbaJFYXKFiGjoeygZID2WM8m45fCtdiLq5eMGLAl69r2gC1kEA3HqfBFl/Lgh8aEAhQJb X-Received: by 2002:a05:6a00:8c4:b0:68f:d44c:22f8 with SMTP id s4-20020a056a0008c400b0068fd44c22f8mr17983653pfu.1.1696246751686; Mon, 02 Oct 2023 04:39:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696246751; cv=none; d=google.com; s=arc-20160816; b=Gyjeb/cIoivYdti07pe0DVUJsYiXUvP6pIh0VIZsUfYhaSlUGyPPcpO16BL/7c777B CNkoUBLv64wx3J34e8L40nz6FlDGLUPyiRVCLmxZnEPsQMsnY83W+HfgkH+lTOqojjr5 B4WFgd0d5HNMEI16e6IB48/Qpoppk1ujQteygPaDIOCaThBvjB0F6wBUjGYOY1W7S9Oa sSkjOqduRkV1apN5H9NBIJ7iLKbZJAAtdytAfeGJ8kVU0XjeTRTbG811gNJ+1IHMWz8M tQonwXEqSl4tgZGFzitWOGh6snLAxcX+F5eUOYY2jnOwcJbZNtikTHCOkFwQWN9ZRZ2I Swrg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=kneULtz3kiuA8XCekng18Qxz8kkdwfrqenUGqGaFORQ=; fh=WJcUZiMTZ7tbkFPsPSaZrD1XwOUBJyh3CP0ySM2Q5nY=; b=D1QUH0G9Bq3MKUhlno8Lj2IaL4JZVOsFwvI2g+UXainHvS2fGigNBJmuplAJqM8vPP L7673jJgHN35C8GDZSXk5JIuqtz/pFlDG+ECtLV6ufuGRu19ZYXFKzNdTCjOVnoH6FgT RDS004vWQ8VyEXgjGJkY3UfjIN/SK81r1nXU49MbtJwUuxGVeQUmIPu6olmibdb5o9DX iOadkIWEX+lOyLhSdGoS/KOBH0U2mLej/wGMTy8DloUgsPd1dAlFH2w34WYzz6Pud8pk wXf4d2+RlyW3ymXnKB58CdN4bidjbHFfbL1u89368YXELI7+g3I2WcPzeVQNW5kxQQxL IbCg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=dJr+P0r3; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from lipwig.vger.email (lipwig.vger.email. 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren , Alexey Gladkov 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=1051; i=j.granados@samsung.com; h=from:subject:message-id; bh=9kAdzbJ0epk3/P6EpAV9vd4QjpNqWvr+n+FA2hz33XU=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoUqzQP1ga/GoiJ0FClHtC0lD+GYjQLmhMIw G1+chIK9j6JAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqFAAKCRC6l81St5ZB T8IJC/0aXv1UnFZ3T3wgTUKiHct/kuXoaLC4d8ZDBMbdNxt3Hju+Z0GvUVGvESI4+5BmjbKiCjI OEnLHgskb4UAwTZ//wbb0U3ij6vQ1u5zajvF7ViOx0F8h0Rc5ZF3eO5NQIGCVF7dm/01TLUPx9B SJTxpAQc7AAVf+Iepo1c8YPT+MZ2MS3an+30CfS7/N4vBeg0o0qAx1VOf5Ihzudw42VS0IYU9o7 /1LEq92xg3EofmSBqdel0txihdsPFHX1w2sOoVOO90ES+0IL6EkLOfH1rgA8+/t/bd9Al1xxSQr sXufmyGj2nU9EV1Cprju+/HsFlFgXlVYvVq1fjdThtd2hq/jd08w2M0MSGTtpQwrzkQsrMd4uu7 /HdpUWgSX8GyzVAgvtCLpJFHstU4EVN93y7tNGQezi1GAhg+CJHwTO3GcXzwUW7L0sUBNnSY4uY +khUbsBnsUzqYzHI/lYlxcFqilu/yYPcDPoEJsULfpVWj9i7DIxDXO3xAUaTzcw7JVThE= 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 Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:30:05 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643633548478330 X-GMAIL-MSGID: 1778643633548478330 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. This removal is safe because register_sysctl implicitly uses ARRAY_SIZE() in addition to checking for the sentinel. Signed-off-by: Joel Granados --- arch/riscv/kernel/vector.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/riscv/kernel/vector.c b/arch/riscv/kernel/vector.c index 8d92fb6c522c..578b6292487e 100644 --- a/arch/riscv/kernel/vector.c +++ b/arch/riscv/kernel/vector.c @@ -255,7 +255,6 @@ static struct ctl_table riscv_v_default_vstate_table[] = { .mode = 0644, .proc_handler = proc_dobool, }, - { } }; static int __init riscv_v_sysctl_init(void) From patchwork Mon Oct 2 11:30:41 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: 147248 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1360468vqb; Mon, 2 Oct 2023 04:36:47 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHQXCUg7xxwyNVltwopc5TaMOryyJJUz6IKUTSEN9kGnqnOcTpR0SXnWnkMff6p8v72orGv X-Received: by 2002:a17:902:ecc8:b0:1c7:41ed:199 with SMTP id a8-20020a170902ecc800b001c741ed0199mr9950284plh.66.1696246606980; Mon, 02 Oct 2023 04:36:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696246606; cv=none; d=google.com; s=arc-20160816; b=LlL6nw1MbitvOAEHa1Y65CeNFvzQaUP+4pDbzfcXwExalRYwLAnP47TtefYl/nEBYZ HcWPjMYtZG5FPbFzD6SQPYBJlMCVX9HGbOEd7WLeI5TGms7jhSlewfW+q5zTqUPU6RTj JZ+tyiXK0jK9MLffBwxJKeLsczPoAbnIqkY1t1MryUcAKxLmGbcdBfAJs59XIx1YPRvy U/aMmhQwYyctqA64ZDeb7JvPRJq3BZcxn0PdS+xri5+K+f/BJlfG5zTc3lVInhqVyCLu Tysh7cSpHP7haWmC66aa5CiQCLMGVafKBvXJBe9WJc3jFuaDxyIlPjXdPuQyAeboXGZU Amzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=A3CB/7Ab4pJcwtv9Xd5HPZ2pFST8VODBM5IjoTp7r38=; fh=WJcUZiMTZ7tbkFPsPSaZrD1XwOUBJyh3CP0ySM2Q5nY=; b=iQwa+o361kZ9bMtbtDUqC1lZmUHTxnL+X3UfIbSgTlSjo+G+wg4y0T8JWeH/q67Rt2 v6tPgmwVQDEvOI/Uv5N8agWuuzEwPZb4ggXHmImTJS8S0M6jgbYpDMjICsIFBHSEuzUP Ol1up/v0OQxK26+UYUqSdggEOJnvpAE2kcpDZoaakcRfUDsUXJoAqtCWjcV+GSHE9dbL lIINGmGRth0v1XVr8I57EosB54pauKTodNq6Fe1kTadp8sfaBcNlnwVcDRiAzwYScmk0 2O4cvgtjy/gVzw9fv9yZLwgTzs47iLZeQPoV+wjxeaXv/3w3hFE/MhXLDFG4TQ4GZLwI QMTw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=hf74GqEV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from snail.vger.email (snail.vger.email. [2620:137:e000::3:7]) by mx.google.com with ESMTPS id x19-20020a170902b41300b001c5f6e48d81si21440625plr.253.2023.10.02.04.36.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 04:36:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=hf74GqEV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id ADCAD80ECF34; Mon, 2 Oct 2023 04:30:00 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236763AbjJBL3n (ORCPT + 17 others); Mon, 2 Oct 2023 07:29:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236703AbjJBL3W (ORCPT ); Mon, 2 Oct 2023 07:29:22 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C641ED3; Mon, 2 Oct 2023 04:29:18 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3B2E0C116A4; Mon, 2 Oct 2023 11:29:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696246157; bh=YhBddSwaCSPLAaFDo+/JwRMeEqAWhYOpGz8YevBnfPM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=hf74GqEVFqfLw3F5qGhBq5bov1q9UAhguToYQBzzAfqBqUchaXwMR1gpYQdfrW3dE 5yobqKdV3/QEpN+MYXpTviIQtYKJ0d3uszOmWShXB+fFDqsJUp9gzN3vFcFkgXvr8m Ttkn4TR8BEtdkCUyXqhUDOkT6VLJ90zF+a9+NCe2UCX+5KIfulK9VgRNl0kfo99jr0 IaaP0NOKoE4Uu962+cebD9tfbWwM25JFWQwpT92VVxUTqAGQgGOgB80UNisFMiXT/s k92HVlQ10FGDag+YRRISFExlBwrHOFjX8viGcG8L28c34wj8b6EMek2lXl26k6Fs5t 9uXWPCz+3Yxuw== 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 1B624E784AC; Mon, 2 Oct 2023 11:29:17 +0000 (UTC) From: Joel Granados via B4 Relay Date: Mon, 02 Oct 2023 13:30:41 +0200 Subject: [PATCH v3 6/7] powerpc: Remove now superfluous sentinel element from ctl_table arrays MIME-Version: 1.0 Message-Id: <20231002-jag-sysctl_remove_empty_elem_arch-v3-6-606da2840a7a@samsung.com> References: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@samsung.com> In-Reply-To: <20231002-jag-sysctl_remove_empty_elem_arch-v3-0-606da2840a7a@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 , Alexey Gladkov 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=1565; i=j.granados@samsung.com; h=from:subject:message-id; bh=KuV8vOJx81rEwsc5jJ+bbCdW5iZFLCnNJ5xlBjey6xs=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoUNBAj237epiMRWZjBh+ubamCISZESZIKcM v4wF3DSn2OJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqFAAKCRC6l81St5ZB T/E4C/sH83tQjgttVLdKVarCnL42oaqUSOJFHysd1DsiW9k53qQQnsAXlsVqmHce59si1viwYD1 sH8kJoCQVu5ZL6u9tnTirs/zK4lZGplOB1GmJ9G2GrDQ7BixLBRmvacBDYUehYBA7tw3zGUd7FE 0us2Q0Ofke+qX+Aq9JR+UVjqxUoqi03EaBLXuFErDsGsAmhooB6D4ZI0rVHGdk22B9ACXaGfasi NvOx99FDQTiP3JolHAsOZjSYq4Oy/YDI5UDS0ERDATzQqvFlImM4MgIualdQl5wQHhfPnBjJJhR dnwS5MzD0E++5583ev51gUpQKRjAalnsN6549TOd2IdupjmILcpEaqD/tyIjjqcawm8ZLXpCGbX 6Y9Qv8eSDL/Odbt+5yhXaeyHFpDsMB4SR9yDDiFgefg0A4DkcGiVGGn2Qm7iKkEY3A1fcz9QUZN YU/lcI5cnxARaCSGzjd+XwLHFHFyTjzB9ZJErDjBhYnwzz/H7M0JxdT3nEQwaAGkTTnZI= 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 Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:30:00 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643482037379887 X-GMAIL-MSGID: 1778643482037379887 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. This removal is safe because register_sysctl implicitly uses ARRAY_SIZE() in addition to checking for the sentinel. Signed-off-by: Joel Granados --- arch/powerpc/kernel/idle.c | 1 - arch/powerpc/platforms/pseries/mobility.c | 1 - 2 files changed, 2 deletions(-) diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index b1c0418b25c8..30b56c67fa61 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -105,7 +105,6 @@ static struct ctl_table powersave_nap_ctl_table[] = { .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..1798f0f14d58 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -61,7 +61,6 @@ static struct ctl_table nmi_wd_lpm_factor_ctl_table[] = { .mode = 0644, .proc_handler = proc_douintvec_minmax, }, - {} }; static int __init register_nmi_wd_lpm_factor_sysctl(void) From patchwork Mon Oct 2 11:30:42 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: 147253 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1363330vqb; Mon, 2 Oct 2023 04:42:35 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG9LyXw2JqFx1pwHjKiMm6jPZ04thwAsAu9H1hLzpwi4id+jYF3K3AREjtejaR/0+eATcTk X-Received: by 2002:a92:c247:0:b0:350:efac:1b with SMTP id k7-20020a92c247000000b00350efac001bmr14168288ilo.0.1696246954938; Mon, 02 Oct 2023 04:42:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696246954; cv=none; d=google.com; s=arc-20160816; b=i6w9F/FOUohJSmHMmO87KVKyhZCBortOKvj6hy66K0jQhvTxV0kFE6QPe06/dsKp+z kn8IVKX0z8Vunav06nchmpNP/iK6T47StZuZ/3RVpFu6AzixKMvpCTHDndabfWmtwz78 pbXieev9xoL0Ts7bsFDggvKBPOWTpHDTBKI9bvFImWvv+LV/2Hc1pscUpGWRbartbOOP dDoKBVEhWq5txA94KQVMh0AzkLMpdc9S89RTv1b9oHZKSJMcACvvn2hH839Ce8kz4xHw fpvcPEIE5y4wmW5J/Rtd+BgPH7tFAnFkkexGDXXVm9mu48eaYrgrCvxorDaWM0Ujdrz2 p0gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=fkq355VMGDuLYT57TX8UQJMBvgUM2j0wbA6IoFWEJko=; fh=WJcUZiMTZ7tbkFPsPSaZrD1XwOUBJyh3CP0ySM2Q5nY=; b=FrpgPt6Ii2N1wKbu3NlErEYXbbDFcwrrEx3XzZhpUSWdJ/ct9lzFpIcgX9+5aPJnO+ JzKynq5CF2qfyg38EvLoe9qUwkVK6I8ywx0FoUaDmHhATufarYz9L/T6ZaKtN74H1KFW qAXu6Tvis8f3Y4Cb/1g/NpZMDQ8EEyh8zCejvjBH+4LJBIj/rEcZ8LB9t5yj+CxmPGR9 ukW6A7je2cMl5LE8scemv008VVz39fCSmCGPPlxgm7px96h9cPYi8DwPgBy6e0TaW/AP x3jvh6bfncAVA1znizJOmxUiptgEMoZr2VvvyFZJE6CXP4jPCGT8eTgI5RlmqXmSIZh1 k2rw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=HoYlpryW; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from agentk.vger.email (agentk.vger.email. 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Peter Anvin" , Andy Lutomirski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Guo Ren , Alexey Gladkov 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=1079; i=j.granados@samsung.com; h=from:subject:message-id; bh=aVH730u6MpA8SyXSwY+KroDm6RkQOYcUB41QGWJqNpM=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlGqoU5tuFWjnPIMvFbKyN6zHH0cwg/pUFRD/vM SfkGU2MIlyJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZRqqFAAKCRC6l81St5ZB TyUKC/0c39WVZtnSe4HAi+KjUVd8v38cq95t+0bYTAm0t4UjG8Lsp3T5G80IFPYLmapvMnK4uVe Lyeg6+WlLJagatcnmBtfVxhCU0ewAPcEqiwiP6qZx3c8PLEexEriY2mthOka69yhwr3nKHEnyV8 Bqp7zzu/E1zwrNE1+/cSzV96Y/lZ/qWZCRPRHR7SuOeWwWTDbyhgveJ+cmUr4q6nwLVv9D8Vj6M B7kOycGh+RMxgVTKEAlnSPVgKcwgHE24nlo5RUyuu77WXCMlCIrZdyyNDZrrQykuiXWNxLKiMrj XLAE5oYgpIZ9uRGWS1dzT2edeQ+COFGaR51Q/tvQualP2kfj7A2dQzLIAF8fmcWYwWVMj1RN44o jz1VmKwvgpAAwhyJL1nlRqp0Dx+iccYp2zBAhv5X8ptE4axnZuJSjdUGQVapPNd/0eA4u87Ubaa zmvv90vSv16KKgBYe+ABuMSkfh7iM8iC7eDe4BQqUi7MyRotUfD+EMFwsoiIIw56IZ6Jg= 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 Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Mon, 02 Oct 2023 04:30:45 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778643846995331113 X-GMAIL-MSGID: 1778643846995331113 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. This removal is safe because register_sysctl_init implicitly uses ARRAY_SIZE() in addition to checking for the sentinel. Acked-by: Guo Ren Signed-off-by: Joel Granados --- arch/csky/abiv1/alignment.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/csky/abiv1/alignment.c b/arch/csky/abiv1/alignment.c index b60259daed1b..e5b8b4b2109a 100644 --- a/arch/csky/abiv1/alignment.c +++ b/arch/csky/abiv1/alignment.c @@ -329,7 +329,6 @@ static struct ctl_table alignment_tbl[5] = { .mode = 0666, .proc_handler = &proc_dointvec }, - {} }; static int __init csky_alignment_init(void)