Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934415AbeAOOfS (ORCPT + 1 other); Mon, 15 Jan 2018 09:35:18 -0500 Received: from smtp-out6.electric.net ([192.162.217.187]:61624 "EHLO smtp-out6.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933952AbeAOOfQ (ORCPT ); Mon, 15 Jan 2018 09:35:16 -0500 From: David Laight To: "dwmw@amazon.co.uk" , "riel@redhat.com" , "tglx@linutronix.de" , "linux-kernel@vger.kernel.org" , "tim.c.chen@linux.intel.com" , "pjt@google.com" , "jpoimboe@redhat.com" , "ak@linux.intel.com" , "gregkh@linux-foundation.org" , "torvalds@linux-foundation.org" , "dave.hansen@intel.com" , "luto@amacapital.net" , "jikos@kernel.org" , "peterz@infradead.org" , "keescook@google.com" , "arjan@linux.intel.com" , "mingo@kernel.org" , "hpa@zytor.com" , "linux-tip-commits@vger.kernel.org" Subject: RE: [tip:x86/pti] x86/retpoline: Fill RSB on context switch for affected CPUs Thread-Topic: [tip:x86/pti] x86/retpoline: Fill RSB on context switch for affected CPUs Thread-Index: AQHTjVp39SlEg4wY8UKa3KMcSHhV4qN1AJnQ Date: Mon, 15 Jan 2018 14:35:34 +0000 Message-ID: References: <1515779365-9032-1-git-send-email-dwmw@amazon.co.uk> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.33] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Outbound-IP: 156.67.243.126 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuMS.aculab.com X-TLS: TLSv1.2:ECDHE-RSA-AES256-SHA384:256 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: RnJvbTogRGF2aWQgV29vZGhvdXNlDQo+IFNlbnQ6IDE0IEphbnVhcnkgMjAxOCAxNzowNA0KPiB4 ODYvcmV0cG9saW5lOiBGaWxsIFJTQiBvbiBjb250ZXh0IHN3aXRjaCBmb3IgYWZmZWN0ZWQgQ1BV cw0KPiANCj4gT24gY29udGV4dCBzd2l0Y2ggZnJvbSBhIHNoYWxsb3cgY2FsbCBzdGFjayB0byBh IGRlZXBlciBvbmUsIGFzIHRoZSBDUFUNCj4gZG9lcyAncmV0JyB1cCB0aGUgZGVlcGVyIHNpZGUg aXQgbWF5IGVuY291bnRlciBSU0IgZW50cmllcyAocHJlZGljdGlvbnMgZm9yDQo+IHdoZXJlIHRo ZSAncmV0JyBnb2VzIHRvKSB3aGljaCB3ZXJlIHBvcHVsYXRlZCBpbiB1c2Vyc3BhY2UuDQo+IA0K PiBUaGlzIGlzIHByb2JsZW1hdGljIGlmIG5laXRoZXIgU01FUCBub3IgS1BUSSAodGhlIGxhdHRl ciBvZiB3aGljaCBtYXJrcw0KPiB1c2Vyc3BhY2UgcGFnZXMgYXMgTlggZm9yIHRoZSBrZXJuZWwp IGFyZSBhY3RpdmUsIGFzIG1hbGljaW91cyBjb2RlIGluDQo+IHVzZXJzcGFjZSBtYXkgdGhlbiBi ZSBleGVjdXRlZCBzcGVjdWxhdGl2ZWx5Lg0KLi4uDQoNCkRvIHdlIGhhdmUgYSBndWFyYW50ZWUg dGhhdCBhbGwgY3B1IGFjdHVhbGx5IGRldGVjdCB0aGUgcmVsYXRlZCBSU0IgdW5kZXJmbG93Pw0K DQpJdCB3b3VsZG4ndCBzdXJwcmlzZSBtZSBpZiBhdCBsZWFzdCBzb21lIGNwdSBqdXN0IGxldCBp dCB3cmFwLg0KDQpUaGlzIHdvdWxkIG1lYW5zIHRoYXQgdXNlcnNwYWNlIHdvdWxkIHNlZSByZXR1 cm4gcHJlZGljdGlvbnMgYmFzZWQNCm9uIHRoZSB2YWx1ZXMgdGhlIGtlcm5lbCAnc3R1ZmZlZCcg aW50byB0aGUgUlNCIHRvIGZpbGwgaXQuDQoNClBvdGVudGlhbGx5IHRoaXMgbGVha3MgYSBrZXJu ZWwgYWRkcmVzcyB0byB1c2Vyc3BhY2UuDQoNCglEYXZpZA0KDQo=