From patchwork Thu Aug 10 08:39:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Vetrini X-Patchwork-Id: 13349040 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 AAB44C001DB for ; Thu, 10 Aug 2023 08:40:25 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.581927.911433 (Exim 4.92) (envelope-from ) id 1qU1DL-0006Qm-Hm; Thu, 10 Aug 2023 08:40:15 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 581927.911433; Thu, 10 Aug 2023 08:40:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qU1DL-0006Pr-7X; Thu, 10 Aug 2023 08:40:15 +0000 Received: by outflank-mailman (input) for mailman id 581927; Thu, 10 Aug 2023 08:40:13 +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 1qU1DJ-0005MW-Ap for xen-devel@lists.xenproject.org; Thu, 10 Aug 2023 08:40:13 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 8582d30c-3759-11ee-b283-6b7b168915f2; Thu, 10 Aug 2023 10:40:12 +0200 (CEST) Received: from nico.bugseng.com (unknown [147.123.100.131]) by support.bugseng.com (Postfix) with ESMTPSA id 004BE4EE0746; Thu, 10 Aug 2023 10:40:11 +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: 8582d30c-3759-11ee-b283-6b7b168915f2 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 , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , Luca Fancellu Subject: [XEN PATCH v2 6/7] xen/arm: mm: add missing extern variable declaration Date: Thu, 10 Aug 2023 10:39:46 +0200 Message-Id: <228fc4768f50ea14c38b77f9e2169b76f365617d.1691655814.git.nicola.vetrini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Add a declaration for the variable 'init_ttbr' to resolve the violation of Rule 8.4 present the relative source file 'mm.c'. No functional changes. Signed-off-by: Nicola Vetrini Fixes: 4557c2292854 ("xen: arm: rewrite start of day page table and cpu bring up") Reviewed-by: Luca Fancellu Reviewed-by: Stefano Stabellini --- Changes in v2: - Revised commit message --- xen/arch/arm/include/asm/mm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/xen/arch/arm/include/asm/mm.h b/xen/arch/arm/include/asm/mm.h index 2db8535a4ca8..aaacba3f044b 100644 --- a/xen/arch/arm/include/asm/mm.h +++ b/xen/arch/arm/include/asm/mm.h @@ -165,6 +165,9 @@ struct page_info #define _PGC_need_scrub _PGC_allocated #define PGC_need_scrub PGC_allocated +/* Non-boot CPUs use this to find the correct pagetables. */ +extern uint64_t init_ttbr; + extern mfn_t directmap_mfn_start, directmap_mfn_end; extern vaddr_t directmap_virt_end; #ifdef CONFIG_ARM_64