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[147.75.199.223]) by mx.google.com with ESMTPS id w2-20020a0ce102000000b0067f89f0a735si21043194qvk.236.2023.12.30.14.38.23 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Dec 2023 14:38:23 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-13600-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-13600-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-13600-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 9840F1C21C9C for ; Sat, 30 Dec 2023 22:38:22 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5818BD30B; Sat, 30 Dec 2023 22:38:19 +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 1F2A06D6E0 for ; Sat, 30 Dec 2023 22:38:16 +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-225-rooaNgzzMKyamPFKEtCO9g-1; Sat, 30 Dec 2023 22:38:08 +0000 X-MC-Unique: rooaNgzzMKyamPFKEtCO9g-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; Sat, 30 Dec 2023 22:37:49 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sat, 30 Dec 2023 22:37:49 +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'" , "'xinhui.pan@linux.vnet.ibm.com'" , "'virtualization@lists.linux-foundation.org'" , 'Zeng Heng' Subject: RE: [PATCH next 5/5] locking/osq_lock: Optimise vcpu_is_preempted() check. Thread-Topic: [PATCH next 5/5] locking/osq_lock: Optimise vcpu_is_preempted() check. 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