From patchwork Thu Oct 12 15:28:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Vetrini X-Patchwork-Id: 13419385 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 D760ACDB46E for ; Thu, 12 Oct 2023 15:29:22 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.615841.957353 (Exim 4.92) (envelope-from ) id 1qqxcW-00079L-Es; Thu, 12 Oct 2023 15:29:04 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 615841.957353; Thu, 12 Oct 2023 15:29:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qqxcW-00079E-Bv; Thu, 12 Oct 2023 15:29:04 +0000 Received: by outflank-mailman (input) for mailman id 615841; Thu, 12 Oct 2023 15:29:03 +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 1qqxcV-0006QI-C9 for xen-devel@lists.xenproject.org; Thu, 12 Oct 2023 15:29:03 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 128e930c-6914-11ee-98d4-6d05b1d4d9a1; Thu, 12 Oct 2023 17:29:02 +0200 (CEST) Received: from nico.bugseng.com (unknown [147.123.100.131]) by support.bugseng.com (Postfix) with ESMTPSA id 2DBBF4EE0747; Thu, 12 Oct 2023 17:29:01 +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: 128e930c-6914-11ee-98d4-6d05b1d4d9a1 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, jbeulich@suse.com, andrew.cooper3@citrix.com, roger.pau@citrix.com, Nicola Vetrini , George Dunlap , Julien Grall , Wei Liu Subject: [XEN PATCH][for-4.19 v2 3/8] xen/pdx: amend definition of PDX_GROUP_COUNT Date: Thu, 12 Oct 2023 17:28:47 +0200 Message-Id: <62f8b9c36ad78352fc796878fd9759307ec3e380.1697123806.git.nicola.vetrini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 The definition of PDX_GROUP_COUNT causes violations of MISRA C:2012 Rule 10.1, therefore the problematic part now uses the LOWEST_BIT macro, which encapsulates the pattern. Signed-off-by: Nicola Vetrini Reviewed-by: Stefano Stabellini --- xen/include/xen/pdx.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/include/xen/pdx.h b/xen/include/xen/pdx.h index f3fbc4273aa4..36d618a8ba7d 100644 --- a/xen/include/xen/pdx.h +++ b/xen/include/xen/pdx.h @@ -72,7 +72,7 @@ extern unsigned long max_pdx; #define PDX_GROUP_COUNT ((1 << PDX_GROUP_SHIFT) / \ - (sizeof(*frame_table) & -sizeof(*frame_table))) + (LOWEST_BIT(sizeof(*frame_table)))) extern unsigned long pdx_group_valid[]; /**