From patchwork Mon Nov 29 00:41:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff LaBundy X-Patchwork-Id: 517244 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90045C433EF for ; Mon, 29 Nov 2021 00:43:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230288AbhK2Aqg (ORCPT ); Sun, 28 Nov 2021 19:46:36 -0500 Received: from mail-dm6nam10on2058.outbound.protection.outlook.com ([40.107.93.58]:56288 "EHLO NAM10-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231354AbhK2Aog (ORCPT ); Sun, 28 Nov 2021 19:44:36 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=eTWP7rNBO00umafeh7k261nYM6vxImvjssOZ6fFIwUvUVd6HfQU8tWzv1NaSG6b/6taPaNDLScY6FTZW3rIyxClX+vQ2JkjuwNnG0R9NqXfe0/A8HEcJoUBdUd0xKAREAYB4YNe4wkqUq8Pr5XPs0ja4Fn/xh6H9be2yLwVwOmRZ0ROpO4uE7TMiHdXbN/vaMLXSByeet0HMT+RW/BQqvuPmLcLkNB6aBuKw+Wp1gO623e2EJrN4GAGX5us6x5Hs3b548v2Ofcsng6WLo3HnAyRw11lKkoMRTeNs54bcs1pHiLpJy0fGiyR/YmzNMoR+2dCPgG5W20JKKnbuCkkeyA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=SAPxkHKyo06m2pfmnuGDtIxUM3/xNgqSG7rgntkmUGw=; b=PdVGfOCLEm7Muryk8wbbMnFhazD5BJ/6QClDFxXAqRgTswDGFwNWWPPHDnyqrv8Utq2XXhnkWsm1PGTh4BaMUG5pS7j1eVG3mkNp7n5BBqg2IIpNMdrCN2xOU6Y3ehQjKVl92W0ZztVaf5/CW1pU6jZcNElN6Tk8OcuzZSjIhG8mo0VIK2CMNmdviesTHuJsbdOCv+haEZBWyW8DDKJ428SZrRxOKUWJ5YxGjhMS3IS7WvtSuBd+tMD/Ds6BBN46C9bP22/TbpxZV2ilxAWDBLbjma/8m4OqSExS9Qa7EmmJA8ugGZp6fDqXM+7hRRtACkh/dqoHlDPlpJOi+4KdGA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=labundy.com; dmarc=pass action=none header.from=labundy.com; dkim=pass header.d=labundy.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NETORG5796793.onmicrosoft.com; s=selector1-NETORG5796793-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SAPxkHKyo06m2pfmnuGDtIxUM3/xNgqSG7rgntkmUGw=; b=nwdvfPywrHGuJ9TbtjoilomTNGwhuzDkNqZlu1WnO6ttHYCldLL662Vko3srInZ77V/AZs6D9gsKRAiTgqdrkLmGtbAGkiQPx5WCE4uQazaf0pOOGp6t842KHXdZIXSvzclTl04YIMjbNvsuuUnLVqsoHfxyLdsRcMTYYgm5XcQ= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=labundy.com; Received: from SJ0PR08MB6544.namprd08.prod.outlook.com (2603:10b6:a03:2d3::16) by BYAPR08MB5207.namprd08.prod.outlook.com (2603:10b6:a03:72::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.22; Mon, 29 Nov 2021 00:41:18 +0000 Received: from SJ0PR08MB6544.namprd08.prod.outlook.com ([fe80::b015:39c1:b102:608e]) by SJ0PR08MB6544.namprd08.prod.outlook.com ([fe80::b015:39c1:b102:608e%4]) with mapi id 15.20.4734.024; Mon, 29 Nov 2021 00:41:18 +0000 From: Jeff LaBundy To: dmitry.torokhov@gmail.com Cc: linux-input@vger.kernel.org, Jeff LaBundy , kernel test robot Subject: [PATCH] Input: iqs626a - prohibit inlining of channel parsing functions Date: Sun, 28 Nov 2021 18:41:04 -0600 Message-Id: <20211129004104.453930-1-jeff@labundy.com> X-Mailer: git-send-email 2.25.1 X-ClientProxiedBy: SA9P223CA0014.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::19) To SJ0PR08MB6544.namprd08.prod.outlook.com (2603:10b6:a03:2d3::16) MIME-Version: 1.0 Received: from localhost.localdomain (136.49.90.243) by SA9P223CA0014.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.23 via Frontend Transport; Mon, 29 Nov 2021 00:41:17 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b9f86049-4c58-4b4e-2f1a-08d9b2d0f4b2 X-MS-TrafficTypeDiagnostic: BYAPR08MB5207: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5516; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR08MB6544.namprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(346002)(396003)(376002)(136003)(366004)(39830400003)(4326008)(1076003)(66476007)(6486002)(83380400001)(956004)(86362001)(26005)(5660300002)(508600001)(6666004)(52116002)(36756003)(66556008)(66946007)(186003)(6512007)(8936002)(316002)(6506007)(6916009)(2906002)(2616005)(54906003)(38350700002)(38100700002)(8676002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: labundy.com X-MS-Exchange-CrossTenant-Network-Message-Id: b9f86049-4c58-4b4e-2f1a-08d9b2d0f4b2 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR08MB6544.namprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Nov 2021 00:41:17.9448 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 00b69d09-acab-4585-aca7-8fb7c6323e6f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: FYqoCeSk7fbv/NkMwnFfS9W0slSZ8ZbzC2HOlVwKkdy0K48YyXz0p5t292q2eVUtsghvcOkHTqMI7SZx6+RpXA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR08MB5207 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Some automated builds report a stack frame size in excess of 2 kB for iqs626_probe(); the culprit appears to be the call to iqs626_parse_prop(). To solve this problem, specify noinline_for_stack for all of the iqs626_parse_*() helper functions which are called inside a for loop within iqs626_parse_prop(). As a result, a build with '-Wframe-larger-than' as low as 512 is free of any such warnings. Reported-by: kernel test robot Signed-off-by: Jeff LaBundy --- drivers/input/misc/iqs626a.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/input/misc/iqs626a.c b/drivers/input/misc/iqs626a.c index d57e996732cf..23b5dd9552dc 100644 --- a/drivers/input/misc/iqs626a.c +++ b/drivers/input/misc/iqs626a.c @@ -456,9 +456,10 @@ struct iqs626_private { unsigned int suspend_mode; }; -static int iqs626_parse_events(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_events(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client; @@ -604,9 +605,10 @@ static int iqs626_parse_events(struct iqs626_private *iqs626, return 0; } -static int iqs626_parse_ati_target(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_ati_target(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client; @@ -885,9 +887,10 @@ static int iqs626_parse_trackpad(struct iqs626_private *iqs626, return 0; } -static int iqs626_parse_channel(struct iqs626_private *iqs626, - const struct fwnode_handle *ch_node, - enum iqs626_ch_id ch_id) +static noinline_for_stack int +iqs626_parse_channel(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) { struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; struct i2c_client *client = iqs626->client;