From patchwork Fri Sep 6 15:46:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 11135607 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8990B924 for ; Fri, 6 Sep 2019 15:47:26 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 678FA207FC for ; Fri, 6 Sep 2019 15:47:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sS/XKYJP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 678FA207FC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=JBtGMFCg9wQbrqduWPDxgdyE0sv4Vc9mMdpx/eTU6wA=; b=sS/XKYJPETZ9h5 4RladGRss2n1kBtMPij+LuRwXk3YQn/BGWGSskbMIC4xiJIoAHYstELMop/dDMX1SsrNR0ozUxtOM bDX+v3Zztrf80zjXkOKAogHkwZ8ZQepcqvJOoO7YT5NfM/WlH8OwKxgFDiowW/d+8pNBMn2fq/efq 9N/CE2etvajBxgFAl0Vrqqt9ie4KT2/ljbCNuSqFI6BqIcTFdyggqvQTayo5DfRLtmojAgAnsYBz3 RRa7b7xDVp2g3PMyH4QmN2/SB4donfAiZ7oYtFOdp73rQuZyEqwho0Dah5wIGsoNaVMY2SWeIe9hx 0/slbtZSyrFewz07agVw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i6GSI-0000ge-AF; Fri, 06 Sep 2019 15:47:22 +0000 Received: from mout.kundenserver.de ([212.227.126.134]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i6GSE-0000gE-S8 for linux-arm-kernel@lists.infradead.org; Fri, 06 Sep 2019 15:47:20 +0000 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPA (Nemesis) id 1MiaLn-1ic0673Twl-00fnCZ; Fri, 06 Sep 2019 17:47:08 +0200 From: Arnd Bergmann To: Russell King Subject: [PATCH] ARM: don't export unused return_address() Date: Fri, 6 Sep 2019 17:46:55 +0200 Message-Id: <20190906154706.2449696-1-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:KxXBdm+ZdB2njEOuHI0sI2x2LTlMTwa/9hKBgBDFyvjWMqurBar 1eeQnRx0c2Ox7iIBg3bLDT3e+A5wv8//Hw8vhKUVdHCQTetfQSdrjrsU4gUPPAVUYMq8iZT KWgNizZG8M5JX8N3+1xp6Vcd4jLYGRQ83Jo27tXlyvYsVLbkW7W6om1aPaGGEKSRE9rkBZj QoIsM81fh05SMxn2RkQuw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:vdoyMlLfLcU=:2DVor/2vufbs+2xiNNaRoY fWU05+ahmmEOb9gMmRI4XWFn9VIEylv0+DmficJNI3Krbstw87f3wOIrlEFkWOCdWdG/YRvnS EfZPjYBJQAsFo5UkRNXPQDFrwKcCOcZGJI56UApZdhCAysBgKjHEHx6mFAagdxE4/0MprqVsr rKFOPTuBJO2JtHEXCAHRQg8X2Ihiy7pvRV9AvOgm3OhbCzC87ZVsqJdqCVaQdxheA5hBRvSA6 EGZuy18hFF2+RyjHnFKf0Gj65cAdfGMbkh9S83qBMI26tBaEV0UmjELm3sgXfv0t2D7aiA0xH HjwNLRQATNkk+YjodkxGlK4Jez+3kgbFtFHXLEkl4u0+zZFouJJ7K8gBrvaNXTVQUeYes5nQs vxi6Pn5vXCsFjGbL/Syj9H+9jI548oYiMo4IGvb7TwV5CjKQnJ473bKpWcXxEGhfm5I1wdOEq fe+G5UgO+xo7nfXQymwg+GugThSksgQKEp6nScmJq7dwoGb2yYASvI3IxRPLu3NMshjgpFan8 6RqnYGncFrUL0qfG/sdsAbuCnt2h+XwfSHIrotMJGF7XBex2CmX9x9oXFQH832A8U7RQc30sY DiWK9WZn2kQsl6Vw8NTd9bADyW6qob4mDnQtJkrHSbMO8qxY4TPYCgLk9TA1fHggPxk6C5FJR 1blQiqgk244xS49SOFkqL94iruf3zffktlDkzjDwKq5jP3KBQlf8ZvXDLt5BXO2gQKqhdaM0n zNCKzIdwQvS3SDWlGgbtA9XQuvo7yXs2lXMToBNNodcqmUfc0uQfgfCZ5EapqjXq8YVFCWxiV +JNrPBbpP6nuUpksqgzACYDRugBpQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190906_084719_205392_3A1CBD33 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [212.227.126.134 listed in list.dnswl.org] 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Gleixner , Enrico Weigelt , linux-arm-kernel@lists.infradead.org, Arnd Bergmann , linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Without the frame pointer enabled, return_address() is an inline function and does not need to be exported, as shown by this warning: WARNING: "return_address" [vmlinux] is a static EXPORT_SYMBOL_GPL Move the EXPORT_SYMBOL_GPL() into the #ifdef as well. Signed-off-by: Arnd Bergmann Reviewed-by: Masahiro Yamada Tested-by: Geert Uytterhoeven --- arch/arm/kernel/return_address.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index b0d2f1fe891d..fb0fc1910102 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -53,6 +53,7 @@ void *return_address(unsigned int level) return NULL; } +EXPORT_SYMBOL_GPL(return_address); + #endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */ -EXPORT_SYMBOL_GPL(return_address);