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[209.132.180.67]) by mx.google.com with ESMTP id r88si11409096pfi.263.2018.01.20.05.58.51; Sat, 20 Jan 2018 05:59:06 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754507AbeATN4R (ORCPT + 99 others); Sat, 20 Jan 2018 08:56:17 -0500 Received: from mga02.intel.com ([134.134.136.20]:43199 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130AbeATN4K (ORCPT ); Sat, 20 Jan 2018 08:56:10 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jan 2018 05:56:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,386,1511856000"; d="scan'208";a="197321694" Received: from orsmsx109.amr.corp.intel.com ([10.22.240.7]) by fmsmga006.fm.intel.com with ESMTP; 20 Jan 2018 05:56:09 -0800 Received: from orsmsx113.amr.corp.intel.com (10.22.240.9) by ORSMSX109.amr.corp.intel.com (10.22.240.7) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sat, 20 Jan 2018 05:56:09 -0800 Received: from orsmsx103.amr.corp.intel.com ([169.254.5.121]) by ORSMSX113.amr.corp.intel.com ([169.254.9.106]) with mapi id 14.03.0319.002; Sat, 20 Jan 2018 05:56:08 -0800 From: "Van De Ven, Arjan" To: David Woodhouse , Hou Tao , "aarcange@redhat.com" , "linux-kernel@vger.kernel.org" CC: "mingo@redhat.com" , Thomas Gleixner , "ak@linux.intel.com" , "dave.hansen@linux.intel.com" , "peterz@infradead.org" , "qiuxishi@huawei.com" , "wangkefeng.wang@huawei.com" Subject: RE: [RH72 Spectre] ibpb_enabled = 1 leads to hard LOCKUP under x86_64 host machine Thread-Topic: [RH72 Spectre] ibpb_enabled = 1 leads to hard LOCKUP under x86_64 host machine Thread-Index: AQHTkc2aT70l6F8Z3UqlB7pCFhNMtKN8yQ3Q Date: Sat, 20 Jan 2018 13:56:08 +0000 Message-ID: <0575AF4FD06DD142AD198903C74E1CC87A5EC9AE@ORSMSX103.amr.corp.intel.com> References: <12e55119-4f5b-da63-2b1c-14fb70243b21@huawei.com> <1516438985.5087.71.camel@infradead.org> In-Reply-To: <1516438985.5087.71.camel@infradead.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [10.22.254.139] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org d2VsbCBmaXJzdCBvZiBhbGwgZG9uJ3QgdXNlIElCUlMsIHVzZSByZXRwb2xpbmUNCg0KYW5kIGlm IEFuZHJlYSBzYXlzIHRoaXMgd2FzIGEga25vd24gaXNzdWUgaW4gdGhlaXIgY29kZSB0aGVuIEkg dGhpbmsgdGhhdCBjbG9zZXMgdGhlIGlzc3VlLg0KDQoNCg0KDQo+IC0tLS0tT3JpZ2luYWwgTWVz c2FnZS0tLS0tDQo+IEZyb206IERhdmlkIFdvb2Rob3VzZSBbbWFpbHRvOmR3bXcyQGluZnJhZGVh ZC5vcmddDQo+IFNlbnQ6IFNhdHVyZGF5LCBKYW51YXJ5IDIwLCAyMDE4IDE6MDMgQU0NCj4gVG86 IEhvdSBUYW8gPGhvdXRhbzFAaHVhd2VpLmNvbT47IGFhcmNhbmdlQHJlZGhhdC5jb207IGxpbnV4 LQ0KPiBrZXJuZWxAdmdlci5rZXJuZWwub3JnOyBWYW4gRGUgVmVuLCBBcmphbiA8YXJqYW4udmFu LmRlLnZlbkBpbnRlbC5jb20+DQo+IENjOiBtaW5nb0ByZWRoYXQuY29tOyBUaG9tYXMgR2xlaXhu ZXIgPHRnbHhAbGludXRyb25peC5kZT47DQo+IGFrQGxpbnV4LmludGVsLmNvbTsgZGF2ZS5oYW5z ZW5AbGludXguaW50ZWwuY29tOyBwZXRlcnpAaW5mcmFkZWFkLm9yZzsNCj4gcWl1eGlzaGlAaHVh d2VpLmNvbTsgd2FuZ2tlZmVuZy53YW5nQGh1YXdlaS5jb20NCj4gU3ViamVjdDogUmU6IFtSSDcy IFNwZWN0cmVdIGlicGJfZW5hYmxlZCA9IDEgbGVhZHMgdG8gaGFyZCBMT0NLVVAgdW5kZXINCj4g eDg2XzY0IGhvc3QgbWFjaGluZQ0KPiANCj4gT24gU2F0LCAyMDE4LTAxLTIwIGF0IDE3OjAwICsw ODAwLCBIb3UgVGFvIHdyb3RlOg0KPiA+DQo+ID4gU28gaGFzIGFueW9uZSBlbmNvdW50ZXJlZCBh IHNpbWlsYXIgcHJvYmxlbSBiZWZvcmUsIGFuZCBhbnkgc3VnZ2VzdGlvbnMNCj4gPiBhbmQgZGly ZWN0aW9ucyBmb3IgdGhlIGhhcmQgTE9DS1VQIHByb2JsZW1zID8NCj4gDQo+IEFyamFuLCB3aGF0 IGlzIHRoZSBJbnRlbCByZWNvbW1lbmRhdGlvbiBoZXJlPw0K