Received: by 10.223.176.5 with SMTP id f5csp1815501wra; Wed, 31 Jan 2018 12:02:41 -0800 (PST) X-Google-Smtp-Source: AH8x224NFA4j5ppNwjpSh5TwOxWuk1uaz139PsrsOtR7t4EHlZQm67i/LG2qeARkyvYbGh3KxzYL X-Received: by 10.98.141.25 with SMTP id z25mr34411575pfd.165.1517428961376; Wed, 31 Jan 2018 12:02:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517428961; cv=none; d=google.com; s=arc-20160816; b=M+AcRu38QyI4KwTjva+I/Q+0bzQ2Dom9V0X1Z0t2wQ7vw6n5SZRdxhjgh+a9crtQ3t ada1EocNJ/wFJjIgCX1LdU7EcjfRJrirhAUARJ0vV92wUwS6GR2AlKwBvwd0e3yqcYaT QqB0KUkELJgH6zAyJNFV1zw0sB3YNZyjhro4C3LbmJFIp/kq/A3ANxy3aMpyIj1rbzSs EXnFGHeS104HmZzl0Sbpp1QU8hK69PK1+agTQQyck5teIJTWL4gLQHvSXAVp+q31yIt/ pfEo7saR9QDGd/a/Y705AkpPTccxI9U6oh5kLr32VYwPo2XiVp8wVu69FljWeA8ocCNu u/Dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:dkim-signature :arc-authentication-results; bh=fagduaVb307A7ooCXsLRGJxQoQmZj+98NmjcgCtEsyg=; b=rljl2+zYUqjCSFjpXblnrvf0cp67IWJSTOhqmseL8zRlKTB4SLz+oLIbaAJ9v+C4S+ 6+Z8XJ6Xofx6SeaJoZFbPNYpSrwlxZYZ1sLAHgxpzBPSl7CnRAjNgkZoWxNG//8KFZQv nZxLX7aWKdKjx6KaEg/UFd/8pAwyr4Wg6VqU8ouAUX5ZAZydr18SxoNqOCHymodmePaV 8xa3pHZ5QUgMpuoW57bXR58zVmMPVLJxNxCFRLP0pUX+TdM7vvNTld8YyCYui6XwmUMv IW0sRzaLGpmjONP+dmCjp+RnfKdhLMuGFKTZE1wlKaRctw31ojf4XJa+bN9ggLPG5LQK 5KkA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Pv7gWqm1; 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=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id bd6-v6si312139plb.602.2018.01.31.12.02.26; Wed, 31 Jan 2018 12:02:41 -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; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Pv7gWqm1; 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=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751559AbeAaUB4 (ORCPT + 99 others); Wed, 31 Jan 2018 15:01:56 -0500 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:8791 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751326AbeAaUBy (ORCPT ); Wed, 31 Jan 2018 15:01:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1517428914; x=1548964914; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=fagduaVb307A7ooCXsLRGJxQoQmZj+98NmjcgCtEsyg=; b=Pv7gWqm1Sy5Rdr0xyddzCRn1/Z7Z0nZyouZh3L3nCfi6+5AmBdq2C38i RpP3FnZ9+bq+3lAww7Ee9wetv36HxxZheNCJgityYfBZZ81TeWLBpkvxC aR1/ZZ6yVKBU/hZBn6yluO6JM1SAwBvIENDHTgaFtCc/91yGoBGGOYEKP k=; X-IronPort-AV: E=Sophos;i="5.46,441,1511827200"; d="scan'208";a="591814787" Received: from sea3-co-svc-lb6-vlan3.sea.amazon.com (HELO email-inbound-relay-2c-cd289015.us-west-2.amazon.com) ([10.47.22.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 31 Jan 2018 20:01:49 +0000 Received: from EX13MTAUEA001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan2.pdx.amazon.com [10.236.137.194]) by email-inbound-relay-2c-cd289015.us-west-2.amazon.com (8.14.7/8.14.7) with ESMTP id w0VK1gE6124291 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 31 Jan 2018 20:01:48 GMT Received: from EX13D01EUB003.ant.amazon.com (10.43.166.248) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Wed, 31 Jan 2018 20:01:47 +0000 Received: from [10.85.102.109] (10.43.162.124) by EX13D01EUB003.ant.amazon.com (10.43.166.248) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Wed, 31 Jan 2018 20:01:38 +0000 Subject: Re: [PATCH v5 4/5] KVM: VMX: Allow direct access to MSR_IA32_SPEC_CTRL To: Jim Mattson , KarimAllah Ahmed CC: kvm list , LKML , "the arch/x86 maintainers" , Asit Mallick , Arjan Van De Ven , Dave Hansen , Andi Kleen , "Andrea Arcangeli" , Linus Torvalds , Tim Chen , Thomas Gleixner , Dan Williams , Jun Nakajima , "Paolo Bonzini" , David Woodhouse , Greg KH , Andy Lutomirski , Ashok Raj References: <1517427467-28567-1-git-send-email-karahmed@amazon.de> <1517427467-28567-5-git-send-email-karahmed@amazon.de> From: KarimAllah Ahmed Message-ID: <06cb88da-f355-41ed-380f-7daa8ddf6159@amazon.com> Date: Wed, 31 Jan 2018 21:01:33 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.43.162.124] X-ClientProxiedBy: EX13D13UWA003.ant.amazon.com (10.43.160.181) To EX13D01EUB003.ant.amazon.com (10.43.166.248) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpPbiAwMS8zMS8yMDE4IDA4OjUzIFBNLCBKaW0gTWF0dHNvbiB3cm90ZToKPiBPbiBXZWQsIEph biAzMSwgMjAxOCBhdCAxMTozNyBBTSwgS2FyaW1BbGxhaCBBaG1lZCA8a2FyYWhtZWRAYW1hem9u LmRlPiB3cm90ZToKPiAKPj4gKwo+PiArICAgICAgIGlmICh0b192bXgodmNwdSktPnNhdmVfc3Bl Y19jdHJsX29uX2V4aXQpIHsKPj4gKyAgICAgICAgICAgICAgIG5lc3RlZF92bXhfZGlzYWJsZV9p bnRlcmNlcHRfZm9yX21zcigKPj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBtc3Jf Yml0bWFwX2wxLCBtc3JfYml0bWFwX2wwLAo+PiArICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgIE1TUl9JQTMyX1NQRUNfQ1RSTCwKPj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICBNU1JfVFlQRV9SIHwgTVNSX1RZUEVfVyk7Cj4+ICsgICAgICAgfQo+PiArCj4gCj4gQXMgdGhp cyBpcyB3cml0dGVuLCBMMiB3aWxsIG5ldmVyIGdldCBkaXJlY3QgYWNjZXNzIHRvIHRoaXMgTVNS IHVudGlsCj4gYWZ0ZXIgTDEgd3JpdGVzIGl0LiAgV2hhdCBpZiBMMSBuZXZlciB3cml0ZXMgaXQ/ IFRoZSBjb25kaXRpb24gc2hvdWxkCj4gcmVhbGx5IGJlIHNvbWV0aGluZyB0aGF0IGNhcHR1cmVz LCAiaWYgTDAgaXMgd2lsbGluZyB0byB5aWVsZCB0aGlzIE1TUgo+IHRvIHRoZSBndWVzdC4uLiIK CmJ1dCBzYXZlX3NwZWNfY3RybF9vbl9leGl0IGlzIGFsc28gc2V0IGZvciBMMiB3cml0ZS4gU28g b25jZSBMMiB3cml0ZXMKdG8gaXQsIHRoaXMgY29uZGl0aW9uIHdpbGwgYmUgdHJ1ZSBhbmQgdGhl biB0aGUgYml0bWFwIHdpbGwgYmUgdXBkYXRlZC4KCj4gCkFtYXpvbiBEZXZlbG9wbWVudCBDZW50 ZXIgR2VybWFueSBHbWJICkJlcmxpbiAtIERyZXNkZW4gLSBBYWNoZW4KbWFpbiBvZmZpY2U6IEty YXVzZW5zdHIuIDM4LCAxMDExNyBCZXJsaW4KR2VzY2hhZWZ0c2Z1ZWhyZXI6IERyLiBSYWxmIEhl cmJyaWNoLCBDaHJpc3RpYW4gU2NobGFlZ2VyClVzdC1JRDogREUyODkyMzc4NzkKRWluZ2V0cmFn ZW4gYW0gQW10c2dlcmljaHQgQ2hhcmxvdHRlbmJ1cmcgSFJCIDE0OTE3MyBCCg==