Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp5578246ybx; Sun, 10 Nov 2019 16:40:57 -0800 (PST) X-Google-Smtp-Source: APXvYqyYnSHTuTmNWHLOEBbcEr0Sr2igZs95lixkOgM7zOPM2On0ZwKctuEr8tKm0As8vK6YMARO X-Received: by 2002:a50:f747:: with SMTP id j7mr23575609edn.247.1573432856937; Sun, 10 Nov 2019 16:40:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573432856; cv=none; d=google.com; s=arc-20160816; b=0a0NE/NJJvDKpmnUjW00CJ2PTPl8FM9CTWJJplAzWk3wAl1zYCFiAwIeD6iKH015qi xHvF+ZTh/BgtyEk/KEqVE4npTzRocbOL9grlULzFrhVEHNrIRjtQyrB7IMr/HM7PYDKk KYWMF/lfVOn9SgBPM2xH2WX/rmMHfkEg+lWvaLF8tI2E5rLUNuCqFZnmfDj8gZVaPInI v/apC+3/xsMqwbrh2POsbDyttOylLrkxd9IxtIssZL8c+q+upfTO2ilev2AM+7RegPAP eCWRiY3VM+yG0iZDknMmQk45bVkSMMt7h8iro5wFIjD9hw5ZSBOMeS2Oy9a6tEdm6yk/ m5oQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :dlp-reaction:dlp-version:dlp-product:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from; bh=fyBitRnMMzluIF+LIsAWl35jOzDKHaNGeUkRKdfLgkI=; b=G4WnqcEv/H2q2Uz3I1gR4qb1lO+KfJVaRtKLsPDcasfTrEGNZVsy02PQt/Aubdgn1V /nsejZhPZWq9FXxchwYd1qna9HQ5Ebw8hvnsWlEYiBZ1nHKT9reugX35jl1ZfecDLRyy FiqdJtfnKVHXEtM2xvYcWSS9Kx1q2yqbjeQ7hmM2YMa+I7nv1ishy6Y6DjSrhq1OSgaf j0CFpmxSG45/yM+qfsqH2Dvt8EVk7l7w2qqY+S6ZUTYIl8fKRPnmnwCbvJZxwWUwtIUZ cGIutTn1d7tGR4gtQcXSloaoYxt1aIv0XOpURjYPvlH3V/7vSqmhR8WKcfsApEpyOAiS lTgQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id gr9si8534443ejb.258.2019.11.10.16.40.34; Sun, 10 Nov 2019 16:40:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726871AbfKKAjS (ORCPT + 99 others); Sun, 10 Nov 2019 19:39:18 -0500 Received: from mga11.intel.com ([192.55.52.93]:39067 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726754AbfKKAjS (ORCPT ); Sun, 10 Nov 2019 19:39:18 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Nov 2019 16:39:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,290,1569308400"; d="scan'208";a="201908382" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by fmsmga008.fm.intel.com with ESMTP; 10 Nov 2019 16:39:17 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.439.0; Sun, 10 Nov 2019 16:39:17 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.60]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.149]) with mapi id 14.03.0439.000; Mon, 11 Nov 2019 08:39:16 +0800 From: "Zeng, Jason" To: Deepa Dinamani CC: David Woodhouse , "joro@8bytes.org" , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , "Tian, Kevin" , "Zeng, Jason" Subject: RE: [PATCH] intel-iommu: Turn off translations at shutdown Thread-Topic: [PATCH] intel-iommu: Turn off translations at shutdown Thread-Index: AQHVlgnIrRA21rplp0+PB/+PXXgW6aeA7hBA//+Ew4CAAInEMIAAXpqAgAPI5iA= Date: Mon, 11 Nov 2019 00:39:15 +0000 Message-ID: <8D8B600C3EC1B64FAD4503F0B66C61F23BC0DC@SHSMSX103.ccr.corp.intel.com> References: <20191107205914.10611-1-deepa.kernel@gmail.com> <1672a5861c82c2e3c0c54b5311fd413a8eee5e64.camel@infradead.org> <8D8B600C3EC1B64FAD4503F0B66C61F23BB95B@SHSMSX103.ccr.corp.intel.com> <8D8B600C3EC1B64FAD4503F0B66C61F23BBA24@SHSMSX103.ccr.corp.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-ctpclassification: CTP_NT x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMDk4ZTBhZTYtNWU2NS00MzA1LWFlYWItYmIzYmM2MjlkMjE5IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiMmdRN1wvMnpTVWVMTENzR0JGbkI5MzdndWtBVDZFaDV6YkVhWlNkZmIzV25NVm8ya2hIUmVOVEExYkNVWFwvTWQ5In0= x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiA+ID4gPiBGb3IgVk1NIGxpdmUgdXBkYXRl IGNhc2UsIHdlIHNob3VsZCBiZSBhYmxlIHRvIGRldGVjdCBhbmQgYnlwYXNzDQo+ID4gPiA+IHRo ZSBzaHV0ZG93biB0aGF0IERlZXBhIGludHJvZHVjZWQgaGVyZSwgc28ga2VlcCBJT01NVSBzdGls bA0KPiBvcGVyYXRpbmc/DQo+ID4gPg0KPiA+ID4gSXMgdGhhdCBhICd5ZXMnIHRvIERlZXBhJ3Mg ImlmIHNvbWVvbmUgd2FudHMgdG8gbWFrZSBpdCBjb25kaXRpb25hbCwNCj4gPiA+IHdlIGNhbiBk byB0aGF0IiA/DQo+ID4NCj4gPiBZZXMsIEkgdGhpbmsgc28uIFRoYW5rcyENCj4gDQo+IEFyZSB0 aGVzZSBjaGFuZ2VzIGFscmVhZHkgcGFydCBvZiB0aGUga2VybmVsIGxpa2UgYXZvaWRpbmcgc2h1 dGRvd24gb2YgdGhlDQo+IHBhc3N0aHJvdWdoIGRldmljZXM/IGRldmljZV9zaHV0ZG93bigpIGRv ZXNuJ3Qgc2VlbSB0byBiZSBkb2luZyBhbnl0aGluZw0KPiBzZWxlY3RpdmVseSBhcyBvZiBub3cu DQo+IA0KDQpObywgaXQgaXMgbm90IGluIHVwc3RyZWFtIHlldC4gSXQgaXMgYW4gb24tZ29pbmcg ZWZmb3J0LCB3aGljaCB0cmllcyB0byBrZXhlYyByZWJvb3QNCnRoZSBob3N0IHdoaWxlIGtlZXBp bmcgSU9NTVUgc3RpbGwgd29ya2luZy4NCg0KVGhhbmtzLA0KSmFzb24NCg0KPiBUaGFua3MsDQo+ IERlZXBhDQo=