From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227c5ALJfHwFBnr2N1qkIF6wjuDLroTSd8YP4doHDVK9+0wS/CBf+le4HIs9PezrLtKzVkto ARC-Seal: i=1; a=rsa-sha256; t=1517359958; cv=none; d=google.com; s=arc-20160816; b=xSqf+WlTB+Pmft1qWql1q6czXsvltlZeodxavvjOQZtdJA2UOaFqnPk4XqcBFt79xu OtavBRP/ReckIVameUOoAt3HyeK/ceYAM7EppPryMq9S2LT11R2F/QGiBWgkABG6hSsb tW/zFVwoc+tNeIBiQXLyadn1Uirrsvl4NlwjPWPa+j7E+fj+z/JdwDdnBaWCJQsBwp0W hLeSksDK3U1yJsfCSaSgZF2KBVWwEVy4ROAGGy7Hxj5GFM7YXJTvUfw6O/MZOHHrvdOI LoVn9Q3P5ukmXrNZNQTUKugHS1wCnKMPKJfuecZDJgnuN0q6k7F99iGLUj5a2/QyhIN+ FI2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:precedence:content-language:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject:dkim-signature:arc-authentication-results; bh=VJgqabNAgPF7flHp7zawDqrla+k5gXqb28bTC/IGZfg=; b=GSh+BkD14bzHABnfcurlEoPGFNdW/v0or2FDtUq35Agiz/L3cxscA8Q4KhKiVhzMeN 4DYpTdJfkK9z8Wckeme6pb+NsNjeF2DNqjpQalYi2qPw+4fEXW4o4Kg/h4wdIqATKRi3 kquotj67OPu/j8nP7eSAS8GgKhxWZU7ECwKOmWOHt7NnpwszXVig5s0uiNsd81UXAFpd DGS4e2r72dV+WX2HIia1TUeEnv07Z/ELl1be8JnQKDYyKRal2QpNPre1fs7ClqGnk/dx I5Vv4NwKcLHfzWqNEIB8zncAFtaOtpZO23LAQrEMslsxK1vxzw+/buxUGNrI/w+KJego aRRg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Pg0Y5A67; spf=pass (google.com: domain of prvs=56213c2ee=karahmed@amazon.de designates 207.171.184.29 as permitted sender) smtp.mailfrom=prvs=56213c2ee=karahmed@amazon.de; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Pg0Y5A67; spf=pass (google.com: domain of prvs=56213c2ee=karahmed@amazon.de designates 207.171.184.29 as permitted sender) smtp.mailfrom=prvs=56213c2ee=karahmed@amazon.de; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com X-IronPort-AV: E=Sophos;i="5.46,437,1511827200"; d="scan'208";a="591502284" Subject: Re: [PATCH v3 4/4] KVM: VMX: Allow direct access to MSR_IA32_SPEC_CTRL To: Jim Mattson , Paolo Bonzini CC: KarimAllah Ahmed , 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 , "David Woodhouse" , Greg KH , "Andy Lutomirski" , Ashok Raj References: <1517271028-15916-1-git-send-email-karahmed@amazon.de> <1517271028-15916-5-git-send-email-karahmed@amazon.de> <43859417-ae76-ed1f-eb4f-8a84a35998fc@amazon.com> <7bd999e6-bc15-2470-80fb-771161df39d6@redhat.com> From: KarimAllah Ahmed Message-ID: <0ec205ec-08e5-dba4-6eea-e3b3a8e3effe@amazon.com> Date: Wed, 31 Jan 2018 01:52:11 +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: [10.43.162.191] X-ClientProxiedBy: EX13D12UWC004.ant.amazon.com (10.43.162.182) To EX13D01EUB003.ant.amazon.com (10.43.166.248) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1590974131114135545?= X-GMAIL-MSGID: =?utf-8?q?1591067235344366539?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: T24gMDEvMzEvMjAxOCAwMToyNyBBTSwgSmltIE1hdHRzb24gd3JvdGU6Cj4gT24gVHVlLCBKYW4g MzAsIDIwMTggYXQgNDoxOSBQTSwgUGFvbG8gQm9uemluaSA8cGJvbnppbmlAcmVkaGF0LmNvbT4g d3JvdGU6Cj4+IFRoZSBuZXcgY29kZSBpbiBuZXN0ZWRfdm14X21lcmdlX21zcl9iaXRtYXAgc2hv dWxkIGJlIGNvbmRpdGlvbmFsIG9uCj4+IHZteC0+c2F2ZV9zcGVjX2N0cmxfb25fZXhpdC4KPiAK PiBCdXQgdGhlbiBpZiBMMSBkb2Vzbid0IHVzZSBNU1JfSUEzMl9TUEVDX0NUUkwgaXRzZWxmIGFu ZCBpdCB1c2VzIHRoZQo+IFZNLWVudHJ5IE1TUiBsb2FkIGxpc3QgdG8gc2V0IHVwIEwyJ3MgTVNS X0lBMzJfU1BFQ19DVFJMLCB5b3Ugd2lsbAo+IG5ldmVyIHNldCB2bXgtPnNhdmVfc3BlY19jdHJs X29uX2V4aXQsIGFuZCBMMidzIGFjY2Vzc2VzIHRvIHRoZSBNU1IKPiB3aWxsIGFsd2F5cyBiZSBp bnRlcmNlcHRlZCBieSBMMC4KCkkgY2FuIGFkZCBhbm90aGVyIHZhcmlhYmxlIChhY3R1YWxseSB0 d28pIHRvIGluZGljYXRlIGlmIG1zcgppbnRlcmNlcHRpb24gc2hvdWxkIGJlIGRpc2FibGVkIG9y IG5vdCBmb3IgU1BFQ19DVFJMIGFuZCBQUkVEX0NNRCBpbgpuZXN0ZWQgY2FzZS4KClRoYXQgd291 bGQgYWxsb3cgdXMgdG8gaGF2ZSBhIGZhc3QgYWx0ZXJuYXRpdmUgdG8gZ3Vlc3RfY3B1aWRfaGFz IGluCm5lc3RlZF92bXhfbWVyZ2VfbXNyX2JpdG1hcCBhbmQgYXQgdGhlIHNhbWUgdGltZSBtYWlu dGFpbiB0aGUgY3VycmVudApzZW1hbnRpY3Mgb2Ygc2F2ZV9zcGVjX2N0cmxfb25fZXhpdCAoaS5l IHdlIHdvdWxkIHN0aWxsIGRpZmZlcmVudGlhdGUgCmJldHdlZW4gc2V0X21zciB0aGF0IGlzIGNh bGxlZCBmcm9tIHRoZSBsb2FkaW5nIE1TUnMgZm9yIHRoZSBlbXVsYXRlZCAKdm0tZW50cnkgdnMg TDIgYWN0dWFsbHkgd3JpdGluZyB0byBpdCkuCgpXaGF0IGRvIHlvdSB0aGluaz8KQW1hem9uIERl dmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKQmVybGluIC0gRHJlc2RlbiAtIEFhY2hlbgpt YWluIG9mZmljZTogS3JhdXNlbnN0ci4gMzgsIDEwMTE3IEJlcmxpbgpHZXNjaGFlZnRzZnVlaHJl cjogRHIuIFJhbGYgSGVyYnJpY2gsIENocmlzdGlhbiBTY2hsYWVnZXIKVXN0LUlEOiBERTI4OTIz Nzg3OQpFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBDaGFybG90dGVuYnVyZyBIUkIgMTQ5MTcz IEIK