From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90FFEC433F5 for ; Thu, 6 Oct 2022 08:12:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229731AbiJFIMM (ORCPT ); Thu, 6 Oct 2022 04:12:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229633AbiJFIMK (ORCPT ); Thu, 6 Oct 2022 04:12:10 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50193326D3 for ; Thu, 6 Oct 2022 01:12:09 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-81-ecYf1g42M7WCiHz6PXlHAA-1; Thu, 06 Oct 2022 09:12:06 +0100 X-MC-Unique: ecYf1g42M7WCiHz6PXlHAA-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Thu, 6 Oct 2022 09:12:04 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Thu, 6 Oct 2022 09:12:04 +0100 From: David Laight To: 'Nick Desaulniers' , YingChi Long CC: "bp@alien8.de" , "chang.seok.bae@intel.com" , "dave.hansen@linux.intel.com" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "mingo@redhat.com" , "pbonzini@redhat.com" , "tglx@linutronix.de" , "x86@kernel.org" , "peterz@infradead.org" Subject: RE: [PATCH v2] x86/fpu: use _Alignof to avoid UB in TYPE_ALIGN Thread-Topic: [PATCH v2] x86/fpu: use _Alignof to avoid UB in TYPE_ALIGN Thread-Index: AQHY2OxpWhPzSK6onk63/aasphivCa4BAxaA Date: Thu, 6 Oct 2022 08:12:04 +0000 Message-ID: References: <20220927153338.4177854-1-me@inclyc.cn> <20221005072913.982634-1-me@inclyc.cn> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTmljayBEZXNhdWxuaWVycw0KPiBTZW50OiAwNSBPY3RvYmVyIDIwMjIgMTk6NTgNCi4u Lg0KPiBodHRwczovL3d3dy5vcGVuLXN0ZC5vcmcvanRjMS9zYzIyL3dnMTQvd3d3L2RvY3MvbjMw NTQucGRmDQo+IFNlY3Rpb24gNi4yLjggIkFsaWdubWVudCBvZiBvYmplY3RzIiByZWZlcnMgdG8g ImZ1bmRhbWVudGFsIGFsaWdubWVudCINCj4gYW5kICJleHRlbmRlZCBhbGlnbm1lbnQuIg0KPiAN Cj4gSSB3b25kZXIgaWYgaXQgd291bGQgYmUgcHJlY2lzZSB0byBzYXkgdGhhdCAiX0FsaWdub2Yg ZXZhbHVhdGVzIHRvIHRoZQ0KPiBmdW5kYW1lbnRhbCBhbGlnbm1lbnQgd2hpbGUgX19hbGlnbm9m X18gZXZhbHVhdGVzIHRvIHRoZSBleHRlbmRlZA0KPiBhbGlnbm1lbnQgKHdoaWNoIGlzIGltcGxl bWVudGF0aW9uIGRlZmluZWQsIHR5cGljYWxseSBieSB0aGUgbWFjaGluZQ0KPiBzcGVjaWZpYyBB QkkpLiIgVGhvdWdoIGV2ZW4gdGhhdCBzZWVtcyBpbXByZWNpc2Ugc2luY2UgaXQgc291bmRzIGxp a2UNCj4gYSBmdW5kYW1lbnRhbCBhbGlnbm1lbnQgY291bGQgYmUgbGVzcyB0aGFuIG9yIGVxdWFs IHRvIHdoYXQgYWxpZ25vZg0KPiBldmFsdWF0ZXMgdG8uDQoNCkV4Y2VwdCB0aGF0IG5laXRoZXIg b2YgdGhvc2UgdGVybXMgbWFrZXMgYW55IHNlbnNlIHRvIG1vc3QNCnBlb3BsZS4NClNvbWV0aGlu ZyBsaWtlICJfX2FsaWdub2ZfXygpIGlzIHRoZSBwcmVmZXJyZWQgYWxpZ25tZW50IGFuZA0KX0Fs aWdub2YoKSB0aGUgbWluaW1hbCBhbGlnbm1lbnQuIEZvciAnbG9uZyBsb25nJyBvbiB4ODYgdGhl c2UNCmFyZSA4IGFuZCA0IHJlc3BlY3RpdmVseS4iDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVk IEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5l cywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=