From patchwork Wed Jan 22 22:33:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 11346479 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 01C9117EA for ; Wed, 22 Jan 2020 22:34:22 +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 C68E124673 for ; Wed, 22 Jan 2020 22:34:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PKD8nDiH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C68E124673 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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: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=FB1nW9AGoTEm1tZj+vCt6H5Jx4JZpInXFkan36ViAyA=; b=PKD8nDiHY6pBph 9puNDgyeeDqxv0HQMlpR1OE7ksgSrg4D5PaZ2F8zQPotJUGa6YWDSm6PPcx7rkwuvOqiK0BVc0xUK +IeHTEUAe4nbYJRx7IMJ7DyeZDG53hpQmkcZ2Yy2WoArN5pQaSOWN4EYc+6W9WvqPH0+zB0NLa2G7 Kz3dpyARMIrDBuCGjmqIrlmDHKItWWCdtMOXRh95oqwHpWWcerfI6azQ7Up8VTSeIBr92y+mbkZyQ hm4tG0CjafBNXn9ZdxZeCR3sKSi2z4gSnClwLW5iDfNI5Lj6C54uxBwMYSz+9t+e1LjnMXjqTteJ0 96BiZ+HfFcj8eYO+OEiA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iuOZh-0007We-Nt; Wed, 22 Jan 2020 22:34:13 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iuOZe-0007Vy-Tu for linux-arm-kernel@lists.infradead.org; Wed, 22 Jan 2020 22:34:12 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 231BDFEC; Wed, 22 Jan 2020 14:34:08 -0800 (PST) Received: from localhost (unknown [10.37.6.21]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 95D373F6C4; Wed, 22 Jan 2020 14:34:07 -0800 (PST) From: Mark Brown To: Catalin Marinas , Will Deacon Subject: [PATCH 2/2] arm64: ftrace: Modernise annotation of return_to_handler Date: Wed, 22 Jan 2020 22:33:57 +0000 Message-Id: <20200122223357.25593-2-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200122223357.25593-1-broonie@kernel.org> References: <20200122223357.25593-1-broonie@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200122_143411_007585_7DC74491 X-CRM114-Status: GOOD ( 10.09 ) X-Spam-Score: -0.5 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 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: Mark Brown , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org In an effort to clarify and simplify the annotation of assembly functions new macros have been introduced. These replace ENTRY and ENDPROC with two different annotations for normal functions and those with unusual calling conventions. return_to_handler does entertaining things with LR so doesn't follow the usual C conventions and should therefore be annotated as code rather than a function. Signed-off-by: Mark Brown --- arch/arm64/kernel/entry-ftrace.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S index 0cbc44d480fe..e0bf94d22b25 100644 --- a/arch/arm64/kernel/entry-ftrace.S +++ b/arch/arm64/kernel/entry-ftrace.S @@ -320,7 +320,7 @@ ENDPROC(ftrace_stub) * Run ftrace_return_to_handler() before going back to parent. * @fp is checked against the value passed by ftrace_graph_caller(). */ -ENTRY(return_to_handler) +SYM_CODE_START(return_to_handler) /* save return value regs */ sub sp, sp, #64 stp x0, x1, [sp] @@ -340,5 +340,5 @@ ENTRY(return_to_handler) add sp, sp, #64 ret -END(return_to_handler) +SYM_CODE_END(return_to_handler) #endif /* CONFIG_FUNCTION_GRAPH_TRACER */