From nobody Wed Feb 11 00:59:28 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=1645440676; cv=none; d=zohomail.com; s=zohoarc; b=McksPCZByicssvaif3ZxdD4+BSoJKropOxOOLxrH+MMR7luTwPw5d410eXx1V5OITMJxD1QssvUHsxcih1bQ0H/7DB8VnyyIFW6ZO5hNL8zE10zDHj1sDR6RpzCYogGXdcL4VF5+RBGLDAXaAWJNPxKnYdP7gcZFeu68tK2lQEY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1645440676; 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=zEuypYbMOVU+QCEpQRIrLKSHSHuGJNjHPBiDujcG7MU=; b=JiRS/BuneigYQFRdX0oB6KIVb5r0pTaz+JnRvNn82/1WcYCz0bN9UViL8rrb5ayIP3YLjV+vub6DvBK9rwf2eCLgS/TkfQkID7tkAXzHX00jPBP+M4grjvxSFKtvcIDI4ICDFi5VJUs2ayAXpvMAq7uDSjnfkzCZQhviWReB33Y= 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 164544067615840.20015786305464; Mon, 21 Feb 2022 02:51:16 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.276090.472144 (Exim 4.92) (envelope-from ) id 1nM6HS-0006QQ-GM; Mon, 21 Feb 2022 10:50:58 +0000 Received: by outflank-mailman (output) from mailman id 276090.472144; Mon, 21 Feb 2022 10:50:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nM6HS-0006QH-Az; Mon, 21 Feb 2022 10:50:58 +0000 Received: by outflank-mailman (input) for mailman id 276090; Mon, 21 Feb 2022 10:50:57 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nM6HR-0006Pn-I8 for xen-devel@lists.xenproject.org; Mon, 21 Feb 2022 10:50:57 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nM6HR-0002lS-6D; Mon, 21 Feb 2022 10:50:57 +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 1nM5pw-00070b-Q2; Mon, 21 Feb 2022 10:22:33 +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=zEuypYbMOVU+QCEpQRIrLKSHSHuGJNjHPBiDujcG7MU=; b=oD4C8Xy85gKcZSzamwua69gzJh vwmWHW3VGsBHpotI4HnvBmxqIi3fJRGT/PtfWcILV3mCMobBjoTKgwF+P8BkoX4Z+NMHHFrMbh05t l82nYJCrb5EbAVvUVtuPLZVSqH4FEwWBlOgZJykIVF/kxIFvVb5hzb8a5B2LzLPYzL/Y=; From: Julien Grall To: xen-devel@lists.xenproject.org Cc: julien@xen.org, Julien Grall , Stefano Stabellini , Bertrand Marquis , Volodymyr Babchuk Subject: [PATCH v3 10/19] xen/arm32: mm: Re-implement setup_xenheap_mappings() using map_pages_to_xen() Date: Mon, 21 Feb 2022 10:22:09 +0000 Message-Id: <20220221102218.33785-11-julien@xen.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220221102218.33785-1-julien@xen.org> References: <20220221102218.33785-1-julien@xen.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @xen.org) X-ZM-MESSAGEID: 1645440684154100009 Content-Type: text/plain; charset="utf-8" From: Julien Grall Now that map_pages_to_xen() has been extended to support 2MB mappings, we can replace the create_mappings() call by map_pages_to_xen() call. Signed-off-by: Julien Grall Reviewed-by: Stefano Stabellini --- Changes in v3: - Fix build when CONFIG_DEBUG=3Dy Changes in v2: - New patch TODOs: - add support for contiguous mapping --- xen/arch/arm/mm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c index f18f65745595..1e5c2c45dcf9 100644 --- a/xen/arch/arm/mm.c +++ b/xen/arch/arm/mm.c @@ -809,7 +809,12 @@ void mmu_init_secondary_cpu(void) void __init setup_xenheap_mappings(unsigned long base_mfn, unsigned long nr_mfns) { - create_mappings(xen_second, XENHEAP_VIRT_START, base_mfn, nr_mfns, MB(= 32)); + int rc; + + rc =3D map_pages_to_xen(XENHEAP_VIRT_START, _mfn(base_mfn), nr_mfns, + PAGE_HYPERVISOR_RW | _PAGE_BLOCK); + if ( rc ) + panic("Unable to setup the xenheap mappings.\n"); =20 /* Record where the xenheap is, for translation routines. */ xenheap_virt_end =3D XENHEAP_VIRT_START + nr_mfns * PAGE_SIZE; --=20 2.32.0