From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="RDetjsoN" Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3CF4CE; Mon, 27 Nov 2023 08:18:14 -0800 (PST) Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ARGAmYN028142; Mon, 27 Nov 2023 16:17:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=Nuqo+n/8UjwMTVEGeTCKZXosXYxmJFELkiNy1EQyEtU=; b=RDetjsoNSqPUBKvTXa+yBZv9cgM4/tRINJ+ZyFlcz1qb0NPkwaJ9GrMBibq2hn3f/5CW ND1Z7IaAgMUmx8uAabK1Nl5ilpXMpDVf5OETx+5lnUl5qjNiC64q4PtX+8SqtYwOBCmV cCdB5Av3LEQ8B9AclxR0DdyVukfpIFH1S5BSEVkhag7d6PmJLZ/11f75vPfjUtjUQPYI jOo6tGPT4DyW3BR3TU2aC4jIDdJImhwHQ23EQAgB/MazLxGxSnFqR3kagn1nPRlsiNCG WCPnPGg83TnSm3tABpWGa1/oTgd04gU/8Zbwm9/NU76VRx9DKmCqXe7D4H0BVmUgqgtH kg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3umxd509yt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Nov 2023 16:17:19 +0000 Received: from m0353725.ppops.net (m0353725.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3ARGCcKr005148; Mon, 27 Nov 2023 16:17:18 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3umxd509xr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Nov 2023 16:17:18 +0000 Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3AREJqSO025580; Mon, 27 Nov 2023 16:17:17 GMT Received: from smtprelay05.dal12v.mail.ibm.com ([172.16.1.7]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3ukvrk9n1b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Nov 2023 16:17:17 +0000 Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay05.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3ARGHGcJ22413978 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Nov 2023 16:17:16 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 15FA45805A; Mon, 27 Nov 2023 16:17:16 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3A9CF5803F; Mon, 27 Nov 2023 16:17:11 +0000 (GMT) Received: from li-479af74c-31f9-11b2-a85c-e4ddee11713b.ibm.com (unknown [9.61.23.212]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 27 Nov 2023 16:17:11 +0000 (GMT) Message-ID: <403a25d73a752da129affe0092e5b85a179f827b.camel@linux.ibm.com> Subject: Re: [PATCH v2 2/4] eventfd: simplify eventfd_signal() From: Eric Farman To: Christian Brauner , linux-fsdevel@vger.kernel.org Cc: Christoph Hellwig , Jan Kara , Vitaly Kuznetsov , Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, David Woodhouse , Paul Durrant , Oded Gabbay , Wu Hao , Tom Rix , Moritz Fischer , Xu Yilun , Zhenyu Wang , Zhi Wang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter , Leon Romanovsky , Jason Gunthorpe , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Greg Kroah-Hartman , Matthew Rosato , Halil Pasic , Vineeth Vijayan , Peter Oberparleiter , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Tony Krowiak , Jason Herne , Harald Freudenberger , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Diana Craciun , Alex Williamson , Eric Auger , Fei Li , Benjamin LaHaise , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Kirti Wankhede , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fpga@vger.kernel.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-rdma@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-usb@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-aio@kvack.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Jens Axboe , Pavel Begunkov , io-uring@vger.kernel.org Date: Mon, 27 Nov 2023 11:17:10 -0500 In-Reply-To: <20231122-vfs-eventfd-signal-v2-2-bd549b14ce0c@kernel.org> References: <20231122-vfs-eventfd-signal-v2-0-bd549b14ce0c@kernel.org> <20231122-vfs-eventfd-signal-v2-2-bd549b14ce0c@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: XoaaD6-mJ7FXgBebGO5fJDYPNfCOc-S6 X-Proofpoint-GUID: dFRt_wiBkITiSbtkagN5iZ6G9Z4ZE_Ku X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-27_14,2023-11-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 phishscore=0 mlxlogscore=786 impostorscore=0 spamscore=0 adultscore=0 priorityscore=1501 mlxscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311270111 T24gV2VkLCAyMDIzLTExLTIyIGF0IDEzOjQ4ICswMTAwLCBDaHJpc3RpYW4gQnJhdW5lciB3cm90 ZToKPiBFdmVyIHNpbmNlIHRoZSBldmVuZmQgdHlwZSB3YXMgaW50cm9kdWNlZCBiYWNrIGluIDIw MDcgaW4gY29tbWl0CgpzL2V2ZW5mZC9ldmVudGZkLwoKPiBlMWFkNzQ2OGM3N2QgKCJzaWduYWwv dGltZXIvZXZlbnQ6IGV2ZW50ZmQgY29yZSIpIHRoZQo+IGV2ZW50ZmRfc2lnbmFsKCkKPiBmdW5j dGlvbiBvbmx5IGV2ZXIgcGFzc2VkIDEgYXMgYSB2YWx1ZSBmb3IgQG4uIFRoZXJlJ3Mgbm8gcG9p bnQgaW4KPiBrZWVwaW5nIHRoYXQgYWRkaXRpb25hbCBhcmd1bWVudC4KPiAKPiBTaWduZWQtb2Zm LWJ5OiBDaHJpc3RpYW4gQnJhdW5lciA8YnJhdW5lckBrZXJuZWwub3JnPgo+IC0tLQo+IMKgYXJj aC94ODYva3ZtL2h5cGVydi5jwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oCB8wqAgMiArLQo+IMKgYXJjaC94ODYva3ZtL3hlbi5jwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB8wqAgMiArLQo+IMKgZHJpdmVycy9hY2NlbC9oYWJhbmFs YWJzL2NvbW1vbi9kZXZpY2UuY8KgIHzCoCAyICstCj4gwqBkcml2ZXJzL2ZwZ2EvZGZsLmPCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHzCoCAyICstCj4gwqBk cml2ZXJzL2dwdS9kcm0vZHJtX3N5bmNvYmouY8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB8wqAg NiArKystLS0KPiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2d2dC9pbnRlcnJ1cHQuY8KgwqDCoMKg wqAgfMKgIDIgKy0KPiDCoGRyaXZlcnMvaW5maW5pYmFuZC9ody9tbHg1L2RldnguY8KgwqDCoMKg wqDCoMKgwqAgfMKgIDIgKy0KPiDCoGRyaXZlcnMvbWlzYy9vY3hsL2ZpbGUuY8KgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgfMKgIDIgKy0KPiDCoGRyaXZlcnMvczM5MC9jaW8vdmZp b19jY3dfY2hwLmPCoMKgwqDCoMKgwqDCoMKgwqDCoCB8wqAgMiArLQo+IMKgZHJpdmVycy9zMzkw L2Npby92ZmlvX2Njd19kcnYuY8KgwqDCoMKgwqDCoMKgwqDCoMKgIHzCoCA0ICsrLS0KPiDCoGRy aXZlcnMvczM5MC9jaW8vdmZpb19jY3dfb3BzLmPCoMKgwqDCoMKgwqDCoMKgwqDCoCB8wqAgNiAr KystLS0KPiDCoGRyaXZlcnMvczM5MC9jcnlwdG8vdmZpb19hcF9vcHMuY8KgwqDCoMKgwqDCoMKg wqAgfMKgIDIgKy0KCkFja2VkLWJ5OiBFcmljIEZhcm1hbiA8ZmFybWFuQGxpbnV4LmlibS5jb20+ ICAjIHMzOTAKCg==