Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933846AbeAHTw0 (ORCPT + 1 other); Mon, 8 Jan 2018 14:52:26 -0500 Received: from mga04.intel.com ([192.55.52.120]:48555 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933760AbeAHTwZ (ORCPT ); Mon, 8 Jan 2018 14:52:25 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,332,1511856000"; d="scan'208";a="19955751" From: "Lu, Hongjiu" To: "Woodhouse, David" , "peterz@infradead.org" , "tim.c.chen@linux.intel.com" CC: "linux-kernel@vger.kernel.org" , "Van De Ven, Arjan" , "torvalds@linux-foundation.org" , "tglx@linutronix.de" , "ak@linux.intel.com" , "aarcange@redhat.com" , "luto@kernel.org" , "gregkh@linuxfoundation.org" , "Hansen, Dave" Subject: RE: [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature Thread-Topic: [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature Thread-Index: AQHThpav+75hVfrS1UiHQtwRgeUeWqNmKxwAgAPFS4CAADn6gIAAFI8AgAAD+ACAAB8uAIAABQVA Date: Mon, 8 Jan 2018 19:52:23 +0000 Message-ID: References: <20180108124707.GH32035@hirez.programming.kicks-ass.net> <20180108161437.GN32035@hirez.programming.kicks-ass.net> <46157295-e32e-5c9e-0c8b-f91b34f7b02d@linux.intel.com> <20180108174224.GE6176@hirez.programming.kicks-ass.net> <1515440039.7317.41.camel@amazon.co.uk> In-Reply-To: <1515440039.7317.41.camel@amazon.co.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiYTIyYzU3NzUtNDU2Yi00Mzc4LWIwMmMtYzcyNzA5ZWQyYzM1IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE2LjUuOS4zIiwiVHJ1c3RlZExhYmVsSGFzaCI6ImRxMEhSSUtSVVNRaGQ3TStocGVVNFR4XC9VblNXcW5GTjRcL0hiNnpYSEVzWT0ifQ== x-ctpclassification: CTP_IC dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: PiANCj4gT24gTW9uLCAyMDE4LTAxLTA4IGF0IDE4OjQyICswMTAwLCBQZXRlciBaaWpsc3RyYSB3 cm90ZToNCj4gPiBPbiBNb24sIEphbiAwOCwgMjAxOCBhdCAwOToyODoxMkFNIC0wODAwLCBUaW0g Q2hlbiB3cm90ZToNCj4gPiA+IE9uIDAxLzA4LzIwMTggMDg6MTQgQU0sIFBldGVyIFppamxzdHJh IHdyb3RlOg0KPiA+ID4gPiBPbiBNb24sIEphbiAwOCwgMjAxOCBhdCAwMTo0NzowN1BNICswMTAw LCBQZXRlciBaaWpsc3RyYSB3cm90ZToNCj4gPiA+ID4+PiBhIGdvb2Qgc3VnZ2VzdGlvbiwgYnV0 IHdlIGVuY291bnRlcmVkIHNvbWUgaXNzdWVzIHdpdGggaXQgZWl0aGVyDQo+ID4gPiA+Pj4gY3Jh c2hpbmcgdGhlIGtlcm5lbCBhdCBib290IG9yIG5vdCBwcm9wZXJseSB0dXJuaW5nIG9uL29mZi4N Cj4gPiA+ID4NCj4gPiA+ID4gVGhlIGJlbG93IGJvb3RzLCBidXQgSSBsYWNrIHN0dWZmIHRvIHRl c3QgdGhlIGVuYWJsaW5nLg0KPiA+ID4NCj4gPiA+IFBldGVyLA0KPiA+ID4NCj4gPiA+IFRoYW5r cy7CoCBXaWxsIGdpdmUgaXQgYSBzcGluLsKgIE9uZSBvdGhlciBjb25jZXJuIGlzIGlmIEpVTVBf TEFCRUwgaXMNCj4gPiA+IG5vdCBjb25maWd1cmVkLCB0aGlzIG1heSBub3Qgd29yaywgYW5kIHdl IG1heSBzdGlsbCBuZWVkIGZhbGwgYmFjaw0KPiA+ID4gdG8gYSBjb250cm9sIHZhcmlhYmxlLg0K PiA+DQo+ID4gVXJnaCB5ZXMuLiBJIGFsd2F5cyBmb3JnZXQgYWJvdXQgdGhhdCBjYXNlLiBXaWxs IHRoZSByZXRwb2xpbmUgY3J1ZCBiZQ0KPiA+IGJhY2twb3J0ZWQgdG8gYSBHQ0Mgb2xkIGVub3Vn aCB0byBub3QgaGF2ZSBhc20tZ290bz8gSWYgbm90LCB3ZSBjb3VsZA0KPiA+IG1ha2UgYWxsIG9m IHRoaXMgc2ltcGx5IHJlcXVpcmUgYXNtLWdvdG8uDQo+IA0KPiBJIHRoaW5rIEhKIHNhaWQgaGUg d2FzIHBsYW5uaW5nIHRvIGJhY2twb3J0IGFzIGZhciBhcyA0LjkuIFdoZW4gd2FzIGFzbS0NCj4g Z290byBhZGRlZD8NCg0KSXQgd2FzIGFkZGVkIHRvIEdDQyA0LjUuDQoNCkguSi4NCg==