From nobody Tue Feb 10 14:33:37 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; dkim=pass; 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 ARC-Seal: i=1; a=rsa-sha256; t=1687726190; cv=none; d=zohomail.com; s=zohoarc; b=lmaTPQzGdGcJu9dgjKNlTyciW5Nre4I0glQgQ5UJ0lUgZ3m+Wt80IRkPltYFLnwB7fOxigUQ8CwMwLvQow3A5q3uVG65T7qyE+kIJwndmKrnLVXOtba5mC7gvZE7KNlz+0T4NtU0qFRqRc+4qkUqDaoMQLCGdivWNMO4ACv1mXk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1687726190; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=e2gQb0HdlWtQqWMde+fvJ6mMzc931ddrnh3muHKVYvo=; b=FYksvEA6Fs7lCpRZOit+M9Z2Uo3WDoo1qQp33BcZG8Cjd6URxTOOQ4oMZIOaN14KawlhQWtwW2PmZLQrdIAE4THYf58K7C3nKRUOZXkHtBwKJTctXBhzSAK5BMc7LJ5VoChJcerpratZl7hDupW4bvRR5vcGY08YXNgKEjpb1is= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 1687726190062179.64286018027803; Sun, 25 Jun 2023 13:49:50 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.554875.866320 (Exim 4.92) (envelope-from ) id 1qDWfh-0003Ol-Gi; Sun, 25 Jun 2023 20:49:21 +0000 Received: by outflank-mailman (output) from mailman id 554875.866320; Sun, 25 Jun 2023 20:49:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qDWfh-0003Nz-9h; Sun, 25 Jun 2023 20:49:21 +0000 Received: by outflank-mailman (input) for mailman id 554875; Sun, 25 Jun 2023 20:49:20 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qDWfg-0003Ku-Qo for xen-devel@lists.xenproject.org; Sun, 25 Jun 2023 20:49:20 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qDWfg-0003Ma-Hj; Sun, 25 Jun 2023 20:49:20 +0000 Received: from 54-240-197-232.amazon.com ([54.240.197.232] helo=dev-dsk-jgrall-1b-035652ec.eu-west-1.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1qDWfg-00021M-A4; Sun, 25 Jun 2023 20:49:20 +0000 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" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=e2gQb0HdlWtQqWMde+fvJ6mMzc931ddrnh3muHKVYvo=; b=eJNOekMD1tCqbAAreLgIGPa13F AokNsJsBGvgamZNdOcCJRQ+s8qW+Amune3MrV1lljAZb0IBLpNTpFKqM14P2cDG0erp9GkReF4sPc YCne/lmFLfZ4OZ6oR5fOVPJ6yEcvqYcOjK5THmWJsV0yhj6x57SotdWuZFN/O9zamkmU=; From: Julien Grall To: xen-devel@lists.xenproject.org Cc: Luca.Fancellu@arm.com, michal.orzel@amd.com, Henry.Wang@arm.com, Julien Grall , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk Subject: [PATCH 4/9] xen/arm32: head: Remove 'r6' from the clobber list of create_page_tables() Date: Sun, 25 Jun 2023 21:49:02 +0100 Message-Id: <20230625204907.57291-5-julien@xen.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230625204907.57291-1-julien@xen.org> References: <20230625204907.57291-1-julien@xen.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @xen.org) X-ZM-MESSAGEID: 1687726190894100005 Content-Type: text/plain; charset="utf-8" From: Julien Grall Since commit 62529f16c8a2 ("xen/arm32: head: Use a page mapping for the 1:1 mapping in create_page_tables()"), the register 'r6' is not used anymore within create_page_tables(). So remove it from the documentation. Signed-off-by: Julien Grall Reviewed-by: Bertrand Marquis Reviewed-by: Henry Wang Reviewed-by: Michal Orzel --- xen/arch/arm/arm32/head.S | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index 997c8a4fbbc1..5e3692eb3abf 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -451,10 +451,7 @@ ENDPROC(cpu_init) * Output: * r12: Was a temporary mapping created? * - * Clobbers r0 - r4, r6 - * - * Register usage within this function: - * r6 : Identity map in place + * Clobbers r0 - r4 */ create_page_tables: /* Prepare the page-tables for mapping Xen */ --=20 2.40.1