From patchwork Tue Dec 17 20:15:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Cooper X-Patchwork-Id: 11298547 Return-Path: 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 1BC3A1593 for ; Tue, 17 Dec 2019 20:17:13 +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 E570C21D7D for ; Tue, 17 Dec 2019 20:17:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="HKT4RYKm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E570C21D7D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.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 ) id 1ihJGA-0005L6-Ao; Tue, 17 Dec 2019 20:15:58 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ihJG8-0005L1-GE for xen-devel@lists.xenproject.org; Tue, 17 Dec 2019 20:15:56 +0000 X-Inumbo-ID: 07c4b152-210a-11ea-8f95-12813bfff9fa Received: from esa5.hc3370-68.iphmx.com (unknown [216.71.155.168]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 07c4b152-210a-11ea-8f95-12813bfff9fa; Tue, 17 Dec 2019 20:15:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1576613755; h=from:to:cc:subject:date:message-id:mime-version; bh=SqVuq3WK2o+a50k1c3pjofbka4lGX7XJYKvhFRToDw0=; b=HKT4RYKmcugdMNyv9igoxwJQHp8craEBlNGj3pSDj2DbHSZxEfb+4SQL JZU+mMXGy2VRyMSsTSEp2fJgGfYM1iwp8bMr1gbMPVke/wFK26iEHJAkY 4C2UegeMXoS/W2a3oTqNmRBvnWHGUC3zhkkjTr9TvTcZf7tDHCNCKtvbb I=; Authentication-Results: esa5.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=andrew.cooper3@citrix.com; spf=Pass smtp.mailfrom=Andrew.Cooper3@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa5.hc3370-68.iphmx.com: no sender authenticity information available from domain of andrew.cooper3@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa5.hc3370-68.iphmx.com: domain of Andrew.Cooper3@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="Andrew.Cooper3@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa5.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: vDt9FadEydwsACgE+mMySNFOklOOhdTIilJxFthh50QnRa3xPXdeBitGefh2rCE3YomUsrdUCM TSMB50KBxnjh9QWEtMykKMWYoKQYiH0YidpWpcRrFMJmoNZqkYDLURJZvLxwYr9PBmoQIM/tEO ufRfloub1mIEEcYlp6kZDwC0JXwsOVzZIDoKYM/K4C/2q8tAY7yOquDvVAxC0qkJYMqpuGQwph ZIwkNhiPnB1cqB827R6c1gbISIioNIDOyKIZxaMuKk3FaGW/LajOvmOWcQuI+3sp6fbjKtwhxa 3Nc= X-SBRS: 2.7 X-MesageID: 10199959 X-Ironport-Server: esa5.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.69,326,1571716800"; d="scan'208";a="10199959" From: Andrew Cooper To: Xen-devel Date: Tue, 17 Dec 2019 20:15:46 +0000 Message-ID: <20191217201550.15864-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH 0/4] Don't allocate dom->p2m_host[] for translated domains X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Andrew Cooper , Varad Gautam , Ian Jackson , Volodymyr Babchuk Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Vastly drop xl's memory usage for HVM (x86 and ARM) guest construction. See https://lore.kernel.org/xen-devel/1562159202-11316-1-git-send-email-vrd@amazon.de/T/#u for the origins of this work, but ultimately I think this is a far cleaner solution to the problem. Andrew Cooper (4): tools/dombuilder: xc_dom_x86 cleanup tools/dombuilder: Remove PV-only, mandatory hooks tools/dombuilder: Remove p2m_guest from the common interface tools/dombuilder: Don't allocate dom->p2m_host[] for translated domains stubdom/grub/kexec.c | 36 ++++------ tools/libxc/include/xc_dom.h | 24 +++---- tools/libxc/xc_dom_arm.c | 30 -------- tools/libxc/xc_dom_boot.c | 6 +- tools/libxc/xc_dom_core.c | 43 +---------- tools/libxc/xc_dom_x86.c | 166 ++++++++++++++++++++++--------------------- 6 files changed, 114 insertions(+), 191 deletions(-) Acked-by: Wei Liu