Received: by 10.213.65.68 with SMTP id h4csp3822860imn; Tue, 10 Apr 2018 05:21:10 -0700 (PDT) X-Google-Smtp-Source: AIpwx48i9n+S9fvbbP/TAP2NmXWmwD78CrkxvapTDi5kfKs+lU74B5UQZcjyxQ1p7fP4AjqDY0K2 X-Received: by 10.98.68.135 with SMTP id m7mr152769pfi.57.1523362870547; Tue, 10 Apr 2018 05:21:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523362870; cv=none; d=google.com; s=arc-20160816; b=Fr2nczXjp81mahlT0UeqQSgndtOvanejDPOBQI8k2W/0uxHkhGcSTE17t4Q3v4fCJU Mou8U8JfADeECx+n5jpe/Qw6A0QHT4V0hXLBDBfIHo0B89Nk7upjGIOLvv2bDOaOjDVa VQDH/BtCFwLXDTP5Z8adWIa1K3dxUBlxL0zTC90HN2Y0WMxV+s5R2DrsPg3uMqdvNVve 9YDfccMO02/6tqHexf9JbcvtKnN0TcQsyC4gx1UB6MF4GuggFZnYOWHJd7IpBBiKOhNN N8FdvEymh6ZAYs/lhicAKI9XglMqzT89dcfCGm5TJj7Pomj5KlJOvFkxwcGDOMMY1rAA jh/w== 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:mime-version :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=micKf7XRDvMNX29Bns2opO5tGoL/18sVCOUsBmUHiqE=; b=mJibZOeSIb5x74kVuJKpAmwkKEvH3BuGdFuTEnwyFK/DDj89tOn4wqWBwZLTVjS4P5 u2dWcgBVjvxenwqDrm+rx8ji44CN3B3CEiZfpkypKK/LtmZeH7qrtQShA8fsxji9Rq3R A6rh5ttanzY4Tm1t0XFhqUwRwao8AibIgNeJOMEpmIIMuyDGno/1F4eg+ksPuWNiI6wy GdmY1HM9pJWxK6SM54lMYEaoEqyvQWpkKjVC7knCuYNbG20gd2r34Im2soj/lxl5uZcB CuD10nN70G7NNszPO2mbThKRcJMOLYTxQQa51ZLbtt3i4tZat7DCpX3uW5U13klHqlR/ RPtA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.de header.s=amazon201209 header.b=cRIpE3wK; 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.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f3-v6si2790986plm.433.2018.04.10.05.20.33; Tue, 10 Apr 2018 05:21:10 -0700 (PDT) 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.de header.s=amazon201209 header.b=cRIpE3wK; 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.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752845AbeDJMRG (ORCPT + 99 others); Tue, 10 Apr 2018 08:17:06 -0400 Received: from smtp-fw-6002.amazon.com ([52.95.49.90]:56916 "EHLO smtp-fw-6002.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752724AbeDJMRF (ORCPT ); Tue, 10 Apr 2018 08:17:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1523362624; x=1554898624; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:mime-version: content-transfer-encoding; bh=micKf7XRDvMNX29Bns2opO5tGoL/18sVCOUsBmUHiqE=; b=cRIpE3wKwGzoOoIqptePzHbVkN+V+5g+PF4knwU7v7kjPo9XkrmDWVqg zysyemwZ334BwJHMQ3fWUktHYrAHcdxyUwHRe7b4NcDdRSMWx2JMgOyly U3tJznpE4urLqZXyZE+R3Fy2Akqdq1jW2rMJ8VVauY7yflh0vxcrHgNmd U=; X-IronPort-AV: E=Sophos;i="5.48,431,1517875200"; d="scan'208";a="339309635" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2c-cd289015.us-west-2.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 10 Apr 2018 12:16:58 +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 w3ACGtPd019281 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 10 Apr 2018 12:16:56 GMT Received: from EX13D01EUB003.ant.amazon.com (10.43.166.248) by EX13MTAUEA001.ant.amazon.com (10.43.61.243) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Tue, 10 Apr 2018 12:16:54 +0000 Received: from EX13D01EUB003.ant.amazon.com (10.43.166.248) by EX13D01EUB003.ant.amazon.com (10.43.166.248) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Tue, 10 Apr 2018 12:16:54 +0000 Received: from EX13D01EUB003.ant.amazon.com ([10.43.166.248]) by EX13D01EUB003.ant.amazon.com ([10.43.166.248]) with mapi id 15.00.1236.000; Tue, 10 Apr 2018 12:16:54 +0000 From: "Raslan, KarimAllah" To: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "pbonzini@redhat.com" CC: "tglx@linutronix.de" , "hpa@zytor.com" , "rkrcmar@redhat.com" , "mingo@redhat.com" , "x86@kernel.org" Subject: Re: [PATCH v2] X86/VMX: Disable VMX preemption timer if MWAIT is not intercepted Thread-Topic: [PATCH v2] X86/VMX: Disable VMX preemption timer if MWAIT is not intercepted Thread-Index: AQHT0LPz+qJbNvZyd066Mh+wlzB+zKP51raAgAATfwA= Date: Tue, 10 Apr 2018 12:16:53 +0000 Message-ID: <1523362612.5178.7.camel@amazon.de> References: <1523354922-17955-1-git-send-email-karahmed@amazon.de> <724738be-2117-3a44-8328-e3ec2f54711f@redhat.com> In-Reply-To: <724738be-2117-3a44-8328-e3ec2f54711f@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.164.96] Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVHVlLCAyMDE4LTA0LTEwIGF0IDEzOjA3ICswMjAwLCBQYW9sbyBCb256aW5pIHdyb3RlOg0K PiBPbiAxMC8wNC8yMDE4IDEyOjA4LCBLYXJpbUFsbGFoIEFobWVkIHdyb3RlOg0KPiA+IA0KPiA+ IEBAIC0xMTkwOCw2ICsxMTkwOCw5IEBAIHN0YXRpYyBpbnQgdm14X3NldF9odl90aW1lcihzdHJ1 Y3Qga3ZtX3ZjcHUgKnZjcHUsIHU2NCBndWVzdF9kZWFkbGluZV90c2MpDQo+ID4gIAl1NjQgZ3Vl c3RfdHNjbCA9IGt2bV9yZWFkX2wxX3RzYyh2Y3B1LCB0c2NsKTsNCj4gPiAgCXU2NCBkZWx0YV90 c2MgPSBtYXgoZ3Vlc3RfZGVhZGxpbmVfdHNjLCBndWVzdF90c2NsKSAtIGd1ZXN0X3RzY2w7DQo+ ID4gIA0KPiA+ICsJaWYgKGt2bV9wYXVzZV9pbl9ndWVzdCh2Y3B1LT5rdm0pKQ0KPiA+ICsJCXJl dHVybiAtRU9QTk9UU1VQUDsNCj4gPiArDQo+IA0KPiBUaGlzIGlzIHN0aWxsIGRvaW5nIGEgcmVs YXRpdmVseSBleHBlbnNpdmUga3ZtX3JlYWRfbDFfdHNjLCBzbyBtb3ZlIGl0DQo+IGV2ZW4gZnVy dGhlciB1cC4gOikNCg0KaGVoZSAuLiBkb25lIGluIHYzIDopDQoNCj4gDQo+IFBhb2xvDQo+IA0K QW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKQmVybGluIC0gRHJlc2RlbiAt IEFhY2hlbgptYWluIG9mZmljZTogS3JhdXNlbnN0ci4gMzgsIDEwMTE3IEJlcmxpbgpHZXNjaGFl ZnRzZnVlaHJlcjogRHIuIFJhbGYgSGVyYnJpY2gsIENocmlzdGlhbiBTY2hsYWVnZXIKVXN0LUlE OiBERTI4OTIzNzg3OQpFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBDaGFybG90dGVuYnVyZyBI UkIgMTQ5MTczIEIK