From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) (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 B03E86108 for ; Mon, 1 Jan 2024 08:47:31 +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-202-6tI6FJcvNlSXTRofi999ww-1; Mon, 01 Jan 2024 08:47:23 +0000 X-MC-Unique: 6tI6FJcvNlSXTRofi999ww-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; Mon, 1 Jan 2024 08:47:00 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Mon, 1 Jan 2024 08:47:00 +0000 From: David Laight To: 'Waiman Long' , "'linux-kernel@vger.kernel.org'" , "'peterz@infradead.org'" CC: "'mingo@redhat.com'" , "'will@kernel.org'" , "'boqun.feng@gmail.com'" , "'Linus Torvalds'" , "'virtualization@lists.linux-foundation.org'" , 'Zeng Heng' Subject: RE: [PATCH next v2 5/5] locking/osq_lock: Optimise decode_cpu() and per_cpu_ptr(). Thread-Topic: [PATCH next v2 5/5] locking/osq_lock: Optimise decode_cpu() and per_cpu_ptr(). Thread-Index: Ado8NCf0vtha6NqURtGgfE7//QxHewANNbaAAAlISbA= Date: Mon, 1 Jan 2024 08:47:00 +0000 Message-ID: <013b3c16ea8a459c81def9be7439cbb1@AcuMS.aculab.com> References: <2b4e8a5816a742d2bd23fdbaa8498e80@AcuMS.aculab.com> <7c1148fe64fb46a7a81c984776cd91df@AcuMS.aculab.com> <9d4024ba-6422-4775-b934-bfa80a72a858@redhat.com> In-Reply-To: <9d4024ba-6422-4775-b934-bfa80a72a858@redhat.com> 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 RnJvbTogV2FpbWFuIExvbmcNCj4gU2VudDogMDEgSmFudWFyeSAyMDI0IDA0OjE0DQouLi4NCj4g WW91IHJlYWxseSBsaWtlIG1pY3JvLW9wdGltaXphdGlvbi4NCg0KVGhleSBhbGwgYWRkIHVwIDot KQ0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K