Message ID | c723d760abe52d02e09fb623c215d27dcda27bff.1569833766.git.hongyax@amazon.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=D6zB=XZ=lists.xenproject.org=xen-devel-bounces@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 378C11709 for <patchwork-xen-devel@patchwork.kernel.org>; Mon, 30 Sep 2019 10:37:21 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 140C420679 for <patchwork-xen-devel@patchwork.kernel.org>; Mon, 30 Sep 2019 10:37:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="TOASnwO/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 140C420679 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amazon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from <xen-devel-bounces@lists.xenproject.org>) id 1iEt2i-0001vN-2a; Mon, 30 Sep 2019 10:36:36 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from <SRS0=Wfc7=XZ=amazon.com=prvs=169663feb=hongyax@srs-us1.protection.inumbo.net>) id 1iEt2f-0001rf-UT for xen-devel@lists.xenproject.org; Mon, 30 Sep 2019 10:36:33 +0000 X-Inumbo-ID: 1d975824-e36e-11e9-97fb-bc764e2007e4 Received: from smtp-fw-33001.amazon.com (unknown [207.171.190.10]) by localhost (Halon) with ESMTPS id 1d975824-e36e-11e9-97fb-bc764e2007e4; Mon, 30 Sep 2019 10:36:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1569839769; x=1601375769; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=FkCiWRcyyS94XOIYsLNshumBozBwBJwF/QaEiXmKu/o=; b=TOASnwO/oGNrqyLIBTpUt266SpOCSnmq+c4c978MzxX2K46M037A+JH/ Au/TYbUiisx218wJZI0ir/Iio5ahuvPOH6PWonKB/gI/e3W2MosWX+CAT psRV+HxZJzkwT7DGwLv2sKzd577wvBSJpCi0TcADOs8HD0gI3rcvVGX7i o=; X-IronPort-AV: E=Sophos;i="5.64,565,1559520000"; d="scan'208";a="838005687" Received: from sea3-co-svc-lb6-vlan2.sea.amazon.com (HELO email-inbound-relay-1e-17c49630.us-east-1.amazon.com) ([10.47.22.34]) by smtp-border-fw-out-33001.sea14.amazon.com with ESMTP; 30 Sep 2019 10:35:09 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1e-17c49630.us-east-1.amazon.com (Postfix) with ESMTPS id CE308A228C; Mon, 30 Sep 2019 10:34:55 +0000 (UTC) Received: from EX13D06UEE001.ant.amazon.com (10.43.62.79) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 30 Sep 2019 10:34:32 +0000 Received: from EX13MTAUEE001.ant.amazon.com (10.43.62.200) by EX13D06UEE001.ant.amazon.com (10.43.62.79) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 30 Sep 2019 10:34:32 +0000 Received: from u9d785c4ba99158.ant.amazon.com (10.125.106.78) by mail-relay.amazon.com (10.43.62.226) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Mon, 30 Sep 2019 10:34:31 +0000 From: Hongyan Xia <hongyax@amazon.com> To: <xen-devel@lists.xenproject.org> Date: Mon, 30 Sep 2019 11:33:37 +0100 Message-ID: <c723d760abe52d02e09fb623c215d27dcda27bff.1569833766.git.hongyax@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <cover.1569833766.git.hongyax@amazon.com> References: <cover.1569833766.git.hongyax@amazon.com> MIME-Version: 1.0 Precedence: Bulk Subject: [Xen-devel] [PATCH v2 45/55] x86_64/mm: map and unmap page tables in setup_compat_m2p_table X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 List-Id: Xen developer discussion <xen-devel.lists.xenproject.org> List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xenproject.org> List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help> List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe> Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>, Jan Beulich <jbeulich@suse.com>, =?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> |
Series |
Switch to domheap for Xen PTEs
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expand
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diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c index 1d2ebd642f..e8ed04006f 100644 --- a/xen/arch/x86/x86_64/mm.c +++ b/xen/arch/x86/x86_64/mm.c @@ -382,11 +382,13 @@ static int setup_compat_m2p_table(struct mem_hotadd_info *info) va = HIRO_COMPAT_MPT_VIRT_START + smap * sizeof(*compat_machine_to_phys_mapping); - l3_ro_mpt = l4e_to_l3e(idle_pg_table[l4_table_offset(va)]); + l3_ro_mpt = map_xen_pagetable_new( + l4e_get_mfn(idle_pg_table[l4_table_offset(va)])); ASSERT(l3e_get_flags(l3_ro_mpt[l3_table_offset(va)]) & _PAGE_PRESENT); - l2_ro_mpt = l3e_to_l2e(l3_ro_mpt[l3_table_offset(va)]); + l2_ro_mpt = map_xen_pagetable_new( + l3e_get_mfn(l3_ro_mpt[l3_table_offset(va)])); #define MFN(x) (((x) << L2_PAGETABLE_SHIFT) / sizeof(unsigned int)) #define CNT ((sizeof(*frame_table) & -sizeof(*frame_table)) / \ @@ -424,6 +426,9 @@ static int setup_compat_m2p_table(struct mem_hotadd_info *info) } #undef CNT #undef MFN + + UNMAP_XEN_PAGETABLE_NEW(l2_ro_mpt); + UNMAP_XEN_PAGETABLE_NEW(l3_ro_mpt); return err; }