From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 038C5C07E85 for ; Fri, 7 Dec 2018 18:10:15 +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 C6D3B2083D for ; Fri, 7 Dec 2018 18:10:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hZg+k4af" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6D3B2083D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To: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:List-Owner; bh=jJiO84J3ro7mlLiXa0+NmiDkwbQLLcuMK0G4OCEOS0Q=; b=hZg+k4af0UURJjNvs55O0T7UoE 12dVBPdLjWDxKifoMxK/8RrVhJonPo3RknkodLBFm0y+uyY/Mdm+VhXFoC16hCpl1IBaQh+QT376t +E0K9fM+LyxvSfaOjWvOYPW3Jpa2k5+NHSRdw+cO48c/EBHfmIli3Nh5ZSwKLiBam2nwTS14LeQmE 80YVudQGTblqGV++rThMuC6dV4FvxfBnotS1ihBnmhhtzkTPRF+VEfIBZCqayDbMrEkYBQeIkL6ge 8ItWEkCFXL5+q6WhsQJ0KJOPOdAU0c0nDgcXwrofEEShr/RBdynMtRZGwXcqlErbPEBzIwaL5eeop qQ6HiLSQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gVKZp-0001er-64; Fri, 07 Dec 2018 18:10:13 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gVKYZ-0008OA-VY for linux-arm-kernel@lists.infradead.org; Fri, 07 Dec 2018 18:09:04 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A0A3B1B4B; Fri, 7 Dec 2018 10:08:45 -0800 (PST) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id B3B9B3F5AF; Fri, 7 Dec 2018 10:08:44 -0800 (PST) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org Subject: [PATCHv2 09/10] arm64: frace: use asm EXPORT_SYMBOL() Date: Fri, 7 Dec 2018 18:08:22 +0000 Message-Id: <20181207180823.36612-10-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20181207180823.36612-1-mark.rutland@arm.com> References: <20181207180823.36612-1-mark.rutland@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181207_100856_570522_EB612C4D X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org For a while now it's been possible to use EXPORT_SYMBOL() in assembly files, which allows us to place exports immediately after assembly functions, as we do for C functions. As a step towards removing arm64ksyms.c, let's move the ftrace exports to the assembly files the functions are defined in. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/arm64ksyms.c | 5 ----- arch/arm64/kernel/entry-ftrace.S | 4 ++++ 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c index c142103bc0fe..4ca8d2b245d2 100644 --- a/arch/arm64/kernel/arm64ksyms.c +++ b/arch/arm64/kernel/arm64ksyms.c @@ -28,8 +28,3 @@ #include -#ifdef CONFIG_FUNCTION_TRACER -EXPORT_SYMBOL(_mcount); -NOKPROBE_SYMBOL(_mcount); -#endif - diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S index 032e24d2d554..81b8eb5c4633 100644 --- a/arch/arm64/kernel/entry-ftrace.S +++ b/arch/arm64/kernel/entry-ftrace.S @@ -120,6 +120,8 @@ skip_ftrace_call: // } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ mcount_exit ENDPROC(_mcount) +EXPORT_SYMBOL(_mcount) +NOKPROBE(_mcount) #else /* CONFIG_DYNAMIC_FTRACE */ /* @@ -131,6 +133,8 @@ ENDPROC(_mcount) ENTRY(_mcount) ret ENDPROC(_mcount) +EXPORT_SYMBOL(_mcount) +NOKPROBE(_mcount) /* * void ftrace_caller(unsigned long return_address) -- 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel