From nobody Mon Feb 9 21:40:23 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1713885222190172.62431689705295; Tue, 23 Apr 2024 08:13:42 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.710798.1110319 (Exim 4.92) (envelope-from ) id 1rzHpp-0007nh-9v; Tue, 23 Apr 2024 15:13:29 +0000 Received: by outflank-mailman (output) from mailman id 710798.1110319; Tue, 23 Apr 2024 15:13:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rzHpp-0007nV-6U; Tue, 23 Apr 2024 15:13:29 +0000 Received: by outflank-mailman (input) for mailman id 710798; Tue, 23 Apr 2024 15:13:27 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rzHpn-0004ry-Sa for xen-devel@lists.xenproject.org; Tue, 23 Apr 2024 15:13:27 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 09270cd6-0184-11ef-909a-e314d9c70b13; Tue, 23 Apr 2024 17:13:27 +0200 (CEST) Received: from nico.bugseng.com.homenet.telecomitalia.it (host-79-60-221-62.business.telecomitalia.it [79.60.221.62]) by support.bugseng.com (Postfix) with ESMTPSA id 0FD9E4EE0742; Tue, 23 Apr 2024 17:13:25 +0200 (CEST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 09270cd6-0184-11ef-909a-e314d9c70b13 From: Nicola Vetrini To: xen-devel@lists.xenproject.org, nicola.vetrini@bugseng.com Cc: sstabellini@kernel.org, michal.orzel@amd.com, xenia.ragiadakou@amd.com, ayan.kumar.halder@amd.com, consulting@bugseng.com, bertrand.marquis@arm.com, julien@xen.org, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [XEN PATCH 09/10] x86/debugreg: address violation of MISRA C Rule 20.7 Date: Tue, 23 Apr 2024 17:12:51 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1713885224333100003 Content-Type: text/plain; charset="utf-8" MISRA C Rule 20.7 states: "Expressions resulting from the expansion of macro parameters shall be enclosed in parentheses". Therefore, some macro definitions should gain additional parentheses to ensure that all current and future users will be safe with respect to expansions that can possibly alter the semantics of the passed-in macro parameter. No functional change. Signed-off-by: Nicola Vetrini Acked-by: Jan Beulich --- xen/arch/x86/include/asm/debugreg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/include/asm/debugreg.h b/xen/arch/x86/include/asm= /debugreg.h index 2bdaf5d9aa11..96c406ad53c8 100644 --- a/xen/arch/x86/include/asm/debugreg.h +++ b/xen/arch/x86/include/asm/debugreg.h @@ -67,7 +67,7 @@ #define DR_GENERAL_DETECT (0x00002000UL) /* General detect enable */ =20 #define write_debugreg(reg, val) do { \ - unsigned long __val =3D val; \ + unsigned long __val =3D (val); \ asm volatile ( "mov %0,%%db" #reg : : "r" (__val) ); \ } while (0) #define read_debugreg(reg) ({ \ --=20 2.34.1