From patchwork Tue Sep 5 07:31:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Vetrini X-Patchwork-Id: 13374360 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5FDB9C83F2C for ; Tue, 5 Sep 2023 07:32:16 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.595371.928907 (Exim 4.92) (envelope-from ) id 1qdQXH-0002ra-7X; Tue, 05 Sep 2023 07:31:43 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 595371.928907; Tue, 05 Sep 2023 07:31:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qdQXH-0002rT-4U; Tue, 05 Sep 2023 07:31:43 +0000 Received: by outflank-mailman (input) for mailman id 595371; Tue, 05 Sep 2023 07:31:41 +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 1qdQXF-0002rN-Pa for xen-devel@lists.xenproject.org; Tue, 05 Sep 2023 07:31:41 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 40a05c4d-4bbe-11ee-8783-cb3800f73035; Tue, 05 Sep 2023 09:31:40 +0200 (CEST) Received: from nico.bugseng.com (unknown [147.123.100.131]) by support.bugseng.com (Postfix) with ESMTPSA id 98AE84EE0737; Tue, 5 Sep 2023 09:31:38 +0200 (CEST) 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: 40a05c4d-4bbe-11ee-8783-cb3800f73035 From: Nicola Vetrini To: xen-devel@lists.xenproject.org Cc: sstabellini@kernel.org, michal.orzel@amd.com, xenia.ragiadakou@amd.com, ayan.kumar.halder@amd.com, consulting@bugseng.com, Nicola Vetrini , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Wei Liu Subject: [XEN PATCH] xen/types: address Rule 10.1 for macro BITS_TO_LONGS Date: Tue, 5 Sep 2023 09:31:16 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Given its use in the declaration 'DECLARE_BITMAP(features, IOMMU_FEAT_count)' the argument 'bits' has essential type 'enum iommu_feature', which is not allowed by the Rule as an operand to the addition operator. Given that its value can be represented by a signed integer, the explicit cast resolves the violation. Signed-off-by: Nicola Vetrini --- xen/include/xen/types.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/include/xen/types.h b/xen/include/xen/types.h index aea259db1ef2..2ff8f243908d 100644 --- a/xen/include/xen/types.h +++ b/xen/include/xen/types.h @@ -23,7 +23,7 @@ typedef signed long ssize_t; typedef __PTRDIFF_TYPE__ ptrdiff_t; #define BITS_TO_LONGS(bits) \ - (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG) + (((int)(bits)+BITS_PER_LONG-1)/BITS_PER_LONG) #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)]