Message ID | 20190624095548.8578-15-raphael.gault@arm.com (mailing list archive) |
---|---|
State | RFC |
Headers | show
Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C3E7A924 for <patchwork-linux-arm@patchwork.kernel.org>; Mon, 24 Jun 2019 10:01:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B2F75289C6 for <patchwork-linux-arm@patchwork.kernel.org>; Mon, 24 Jun 2019 10:01:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A767B28A2D; Mon, 24 Jun 2019 10:01:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3D715289C6 for <patchwork-linux-arm@patchwork.kernel.org>; Mon, 24 Jun 2019 10:01:14 +0000 (UTC) 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=s7lTy1PnNOFhMQmiZ76nm0t1lc9pwnQYzqSFr9FkbNE=; b=VaOYrc/KK6eoj0Mf33NCAbHhhy 8GNK9mgISnzEdySLv/mpjfrvskHs5Rx+3l1Ff76PruawEDiU2DBsku1x0pRHd+jMzJINOWHp6+fU5 J5hgwXa+/XQiBuykX+52bdy8Br0gX8aAghpye7vNm7birxqIb5lYJU5ZCt6soam8IM8/95mYxzvEk h8quf957mcP0J7Qrn2WE03A5pnDCsc3ZcmPWJDpilxI3f709AljVu8Ch+2XMlcFRqldQlLi+sabhq u4uC+kWsCqUjgZ7+yg75dj2CS25w/z6n/ZJhppbJHhO6AbAysuu2+rzNIb9qwdv5ebSgbeNTChQC4 Qutewrsg==; 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 1hfLmj-0002Ag-2Q; Mon, 24 Jun 2019 10:01:13 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hfLiA-0005In-6x for linux-arm-kernel@lists.infradead.org; Mon, 24 Jun 2019 09:56:31 +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 16058153B; Mon, 24 Jun 2019 02:56:30 -0700 (PDT) Received: from e121650-lin.cambridge.arm.com (e121650-lin.cambridge.arm.com [10.1.196.120]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EBE3C3F71E; Mon, 24 Jun 2019 02:56:28 -0700 (PDT) From: Raphael Gault <raphael.gault@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC V3 14/18] arm64: kvm: Annotate non-standard stack frame functions Date: Mon, 24 Jun 2019 10:55:44 +0100 Message-Id: <20190624095548.8578-15-raphael.gault@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190624095548.8578-1-raphael.gault@arm.com> References: <20190624095548.8578-1-raphael.gault@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190624_025630_464792_0A2BEC66 X-CRM114-Status: UNSURE ( 8.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: julien.thierry@arm.com, peterz@infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, Raphael Gault <raphael.gault@arm.com>, jpoimboe@redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
objtool: Add support for arm64
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expand
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diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index bd34016354ba..d8e122bd3f6f 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -82,6 +82,7 @@ ENTRY(__guest_enter) eret sb ENDPROC(__guest_enter) +asm_stack_frame_non_standard __guest_enter ENTRY(__guest_exit) // x0: return code @@ -171,3 +172,4 @@ abort_guest_exit_end: orr x0, x0, x5 1: ret ENDPROC(__guest_exit) +asm_stack_frame_non_standard __guest_exit
Both __guest_entry and __guest_exit functions do not setup a correct stack frame. Because they can be considered as callable functions, even if they are particular cases, we chose to silence the warnings given by objtool by annotating them as non-standard. Signed-off-by: Raphael Gault <raphael.gault@arm.com> --- arch/arm64/kvm/hyp/entry.S | 2 ++ 1 file changed, 2 insertions(+)