From patchwork Thu Oct 26 01:27:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 158349 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:d641:0:b0:403:3b70:6f57 with SMTP id cy1csp355850vqb; Wed, 25 Oct 2023 18:28:30 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEHW9ntbKso0HUgoHj8lFE9SytCFtcX4h4RnE0XoyWREK3ZciThdnKCPf6GkyvCyI8+EMQK X-Received: by 2002:a81:600a:0:b0:59f:9c08:8f12 with SMTP id u10-20020a81600a000000b0059f9c088f12mr20519534ywb.38.1698283710756; Wed, 25 Oct 2023 18:28:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1698283710; cv=none; d=google.com; s=arc-20160816; b=rDNvAL6IUhG1p2YFmsx841vgdZ1NjmHF5ZpZ10j59xvw2ehlpRuKVl54roMzZCW5gd JbnF03WQOdtsf18302KUgW6/PDoZieJ5CfA6QrnCcCYulxLOQM5XsaSPMThuUlMWIUJ8 sKHRpfOqsYss1gaQthP5g17LnayGvgkZlNGeZFFECb3hgMLA9fEi4SU77xkjpyQ99woV REbmTAW2sxyBzZZSWe290Jc3CmF96Ox/gzWI3R13ERE0GzX7YOD51Nja/UIn+MU4xsO3 r7JXkQIFU1NOXeQR6bnVBpYiamMHfnMLoznJgHpgOEqbN/CCwy+OT9XxXH9XEN3tzOvH 3ChQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:subject:cc:to:from:date :user-agent:message-id; bh=w5l3dwhqLsa9xFmNuv9oX39MsURwFGY3srLQTAuffW0=; fh=ORuo45stHkoBGfS0Dy6JyYQx/EZhXh/BH9zFtb2k2Hw=; b=nfyagLfB9qwiSKxX1Lf1FSCtUsqKlL/lZXgSbSgZZAS+La2svqIQ2m2ziZa7DQQddi 0S+OeiIcz13mA9FJkQLDEUYd2uWNFz9Q81qpJbwFs3pCEBX9CReh332RsA9IMeprutO6 6WfuWkRtuod3a8j2BBKevcew6cB8htz/XagqMNI0tqnHVIxA8Qfe0XzfzOjOKw2/nKdi lpPSfpI1ahsaLnENJDUwLWz4XROL5tAfK7TRN/wh/oxIGJg5GKFJNVLGgxzq2bAg9/Pz 33w/0+8XI53JtA9OAFEZIuv578DOqTSqY6/PFwFAwOe3S/rhbR0T7nUzZgBrC17fAc6X evqw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. [23.128.96.32]) by mx.google.com with ESMTPS id m15-20020a81d24f000000b005a4ddcc6205si13065425ywl.205.2023.10.25.18.28.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 18:28:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id C478680E9E84; Wed, 25 Oct 2023 18:28:27 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233204AbjJZB2E (ORCPT + 25 others); Wed, 25 Oct 2023 21:28:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232626AbjJZB15 (ORCPT ); Wed, 25 Oct 2023 21:27:57 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 250F8136 for ; Wed, 25 Oct 2023 18:27:55 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C170FC433CC; Thu, 26 Oct 2023 01:27:54 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.96) (envelope-from ) id 1qvpA9-00CqTX-2c; Wed, 25 Oct 2023 21:27:53 -0400 Message-ID: <20231026012753.628263428@goodmis.org> User-Agent: quilt/0.66 Date: Wed, 25 Oct 2023 21:27:36 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Andrew Morton , Christoph Hellwig , Justin Stitt , Kent Overstreet , Petr Mladek , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Michael Ellerman , Kees Cook , "Matthew Wilcox (Oracle)" Subject: [for-next][PATCH 2/4] powerpc: Remove initialisation of readpos References: <20231026012734.358814002@goodmis.org> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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]); Wed, 25 Oct 2023 18:28:27 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780779540271830661 X-GMAIL-MSGID: 1780779540271830661 From: "Matthew Wilcox (Oracle)" While powerpc doesn't use the seq_buf readpos, it did explicitly initialise it for no good reason. Link: https://lore.kernel.org/linux-trace-kernel/20231024145600.739451-1-willy@infradead.org Cc: Christoph Hellwig Cc: Justin Stitt Cc: Kent Overstreet Cc: Petr Mladek Cc: Andy Shevchenko Cc: Rasmus Villemoes Cc: Sergey Senozhatsky Cc: Michael Ellerman Reviewed-by: Kees Cook Fixes: d0ed46b60396 ("tracing: Move readpos from seq_buf to trace_seq") Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Steven Rostedt (Google) --- arch/powerpc/kernel/setup-common.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 2f1026fba00d..34975532e44c 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -601,7 +601,6 @@ struct seq_buf ppc_hw_desc __initdata = { .buffer = ppc_hw_desc_buf, .size = sizeof(ppc_hw_desc_buf), .len = 0, - .readpos = 0, }; static __init void probe_machine(void)