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[147.75.199.223]) by mx.google.com with ESMTPS id sq6-20020a05620a4ac600b0077d79f58be5si20939108qkn.523.2023.12.17.09.40.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Dec 2023 09:40:51 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-2754-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-2754-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-2754-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 0DD7D1C20AA1 for ; Sun, 17 Dec 2023 17:40:51 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2289246558; Sun, 17 Dec 2023 17:40:44 +0000 (UTC) X-Original-To: linux-kernel@vger.kernel.org Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0635246456 for ; Sun, 17 Dec 2023 17:40:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ACULAB.COM Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aculab.com Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-7-Jk6djIywNsumAmg5dYKSIA-1; Sun, 17 Dec 2023 17:40:38 +0000 X-MC-Unique: Jk6djIywNsumAmg5dYKSIA-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Sun, 17 Dec 2023 17:40:19 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sun, 17 Dec 2023 17:40:19 +0000 From: David Laight To: 'Linus Torvalds' , Steven Rostedt CC: "linux-arch@vger.kernel.org" , LKML , Linux Trace Kernel , Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers Subject: RE: [PATCH] ring-buffer: Remove 32bit timestamp logic Thread-Topic: [PATCH] ring-buffer: Remove 32bit timestamp logic Thread-Index: AQHaLs9iaE2zzzBpbUiUb4MLlBIx7bCtvF7A Date: Sun, 17 Dec 2023 17:40:19 +0000 Message-ID: References: <20231213211126.24f8c1dd@gandalf.local.home> <20231213214632.15047c40@gandalf.local.home> <20231214115614.2cf5a40e@gandalf.local.home> <20231214153636.655e18ce@gandalf.local.home> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Li4uDQo+IE15IGd1ZXNzIGlzIHRoYXQgKm1vc3QqIDMyLWJpdCBhcmNoaXRlY3R1cmVzIGRvIG5v dCBoYXZlIGEgNjQtYml0DQo+IGNtcHhjaGcgLSBub3QgZXZlbiB0aGUgaXJxLXNhZmUgb25lLg0K DQpEb2VzIGFueSBzcGFyYzMyIGV2ZW4gaGF2ZSBhIDMyLWJpdCBjbXB4Y2hnPw0KVGhlIG9yaWdp bmFsIHZlcnNpb25zICh3aGljaCB3ZXJlIGRlZmluaXRlbHkgU01QIGNhcGFibGUpDQpvbmx5IGhh ZCBhIGJ5dGUgc2l6ZWQgYXRvbWljIGV4Y2hhbmdlIHRoYXQgYWx3YXlzIHdyb3RlIDB4ZmYuDQoN ClNwYXJjMzIgZG9lcyBoYXZlICdsb2FkL3N0b3JlIGRvdWJsZScgKHR3byAzMmJpdCByZWdpc3Rl cnMpDQpidXQgMzJiaXQgY3B1IGxpa2UgbmlvczIgYW5kIChJIHRoaW5rKSBSSVNDViAoYW5kIHBy b2JhYmx5DQphbnl0aGluZyBlbHNlIGxvb3NlbHkgYmFzZWQgb24gTUlQUykgb25seSBoYXZlIHNp bmdsZSByZWdpc3Rlcg0KbG9hZC9zdG9yZSBpbnN0cnVjdGlvbnMuDQpUaGV5J2xsIG1haW5seSBi ZSBVUCBvbmx5LCBJJ3ZlIG5vdCBsb29rZWQgYXQgUklTQ1YgZW5vdWdoIHRvDQpzZWUgd2hhdCBp dCBoYXMgd2hlbiBzdXBwb3J0aW5nIFNNUC4NCg0KPiBGb3IgdGhlIFVQIGNhc2UgeW91IGNhbiBk byB5b3VyIG93biwgb2YgY291cnNlLg0KDQpBIGdlbmVyaWMgdmVyc2lvbiBvZiB0aGUgc29mdCBp bnRlcnJ1cHQgZGlzYWJsZSBjb2RlIHdvdWxkIGhlbHAuDQpUaGVuIGl0IHdvdWxkIGp1c3QgYmUg YW4gaW5jL2RlYyBvZiBtZW1vcnkgcmF0aGVyIHRoYW4gaGF2aW5nDQp0byBzYXZlIHRoZSBjdXJy ZW50IGludGVycnVwdCBlbmFibGUgc3RhdGUuDQpFc3BlY2lhbGx5IGZvciBjb2RlIHRoYXQgb25s eSBkaXNhYmxlcyBpbnRlcnJ1cHRzIGZvciBhIGZldw0KaW5zdHJ1Y3Rpb25zIC0gc28gdGhlIGNv c3RzIG9mIGRlZmVycmluZyB0aGUgaW50ZXJydXB0IGRvbid0DQpoYXBwZW4gb2Z0ZW4uDQoNCglE YXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91 bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5 NzM4NiAoV2FsZXMpDQo=