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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 523D4C04FFE for ; Sat, 11 May 2024 18:25:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3055010E0D7; Sat, 11 May 2024 18:25:40 +0000 (UTC) Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 242C110E0D7 for ; Sat, 11 May 2024 18:25:38 +0000 (UTC) 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-hlD-hTv5PSKv4xd1znQCwQ-1; Sat, 11 May 2024 19:25:35 +0100 X-MC-Unique: hlD-hTv5PSKv4xd1znQCwQ-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, 11 May 2024 19:25:02 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sat, 11 May 2024 19:25:02 +0100 From: David Laight To: 'Christian Brauner' , Daniel Vetter CC: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , Linus Torvalds , Al Viro , "keescook@chromium.org" , "axboe@kernel.dk" , "christian.koenig@amd.com" , "dri-devel@lists.freedesktop.org" , "io-uring@vger.kernel.org" , "jack@suse.cz" , "laura@labbott.name" , "linaro-mm-sig@lists.linaro.org" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-media@vger.kernel.org" , "minhquangbui99@gmail.com" , "sumit.semwal@linaro.org" , "syzbot+045b454ab35fd82a35fb@syzkaller.appspotmail.com" , "syzkaller-bugs@googlegroups.com" Subject: RE: [Linaro-mm-sig] Re: [PATCH] epoll: try to be a _bit_ better about file lifetimes Thread-Topic: [Linaro-mm-sig] Re: [PATCH] epoll: try to be a _bit_ better about file lifetimes Thread-Index: AQHaosiO/bmWtIycWUWbxqLWgzPstbGSV1Yw Date: Sat, 11 May 2024 18:25:02 +0000 Message-ID: References: <202405031110.6F47982593@keescook> <20240503211129.679762-2-torvalds@linux-foundation.org> <20240503212428.GY2118490@ZenIV> <20240504-wohngebiet-restwert-6c3c94fddbdd@brauner> <20240508-risse-fehlpass-895202f594fd@brauner> <20240510-duzen-uhrmacher-141c9331f1bf@brauner> In-Reply-To: <20240510-duzen-uhrmacher-141c9331f1bf@brauner> 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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogQ2hyaXN0aWFuIEJyYXVuZXINCj4gU2VudDogMTAgTWF5IDIwMjQgMTE6NTUNCj4gDQo+ ID4gRm9yIHRoZSB1YXBpIGlzc3VlIHlvdSBkZXNjcmliZSBiZWxvdyBteSB0YWtlIHdvdWxkIGJl IHRoYXQgd2Ugc2hvdWxkIGp1c3QNCj4gPiB0cnksIGFuZCBob3BlIHRoYXQgZXZlcnlvbmUncyBi ZWVuIGR1dGlmdWxseSB1c2luZyBPX0NMT0VYRUMuIEJ1dCBtYXliZQ0KPiA+IEknbSBiaWFzZWQg ZnJvbSB0aGUgZ3B1IHdvcmxkLCB3aGVyZSB3ZSd2ZSBiZWVuIGhhbW1lcmluZyBpdCBpbiB0aGF0 DQo+ID4gIk9fQ0xPRVhFQyBvciBidXN0IiBtYW50cmEgc2luY2Ugd2VsbCBvdmVyIGEgZGVjYWRl LiBSZWFsbHkgdGhlIG9ubHkgdmFsaWQNCj4gDQo+IE9oLCB3ZSdyZSB2ZXJ5IG11Y2ggb24gdGhl IHNhbWUgcGFnZS4gQWxsIG5ldyBmaWxlIGRlc2NyaXB0b3IgdHlwZXMgdGhhdA0KPiBJJ3ZlIGFk ZGVkIG92ZXIgdGhlIHllYXJzIGFyZSBPX0NMT0VYRUMgYnkgZGVmYXVsdC4gSU9XLCB5b3UgbmVl ZCB0bw0KPiByZW1vdmUgT19DTE9FWEVDIGV4cGxpY2l0bHkgKHNlZSBwaWRmZCBhcyBhbiBleGFt cGxlKS4gQW5kIGltaG8sIGFueSBuZXcNCj4gZmQgdHlwZSB0aGF0J3MgYWRkZWQgc2hvdWxkIGp1 c3QgYmUgT19DTE9FWEVDIGJ5IGRlZmF1bHQuDQoNCkZvciBmZCBhIHNoZWxsIHJlZGlyZWN0IGNy ZWF0ZXMgeW91IG1heSB3YW50IHNvIGJlIGFibGUgdG8gc2F5DQondGhpcyBmZCB3aWxsIGhhdmUg T19DTE9FWEVDIHNldCBhZnRlciB0aGUgbmV4dCBleGVjJy4NCkFsc28gKHBvc3NpYmx5KSBhIGZs YWcgdGhhdCBjYW4ndCBiZSBjbGVhcmVkIG9uY2Ugc2V0IGFuZCB0aGF0DQpnZXRzIGtlcHQgYnkg ZHVwKCkgZXRjLg0KQnV0IG1heWJlIHRoYXQgaXMgZXhjZXNzaXZlPw0KDQpJJ3ZlIGNlcnRhaW5s eSB1c2VkOg0KIyBpcCBuZXRucyBleGVjIG5zIGNvbW1hbmQgMzwvc3lzL2NsYXNzL25ldA0KaW4g b3JkZXIgdG8gYmUgYWJsZSB0byAoZWFzaWx5KSByZWFkIHN0YXR1cyBmb3IgaW50ZXJmYWNlcyBp biB0aGUNCmRlZmF1bHQgbmFtZXNwYWNlIGFuZCBhIHNwZWNpZmljIG5hbWVzcGFjZS4NClRoZSB3 b3VsZCBiZSBoYXJkIGlmIHRoZSBPX0NMT0VYRUMgZmxhZyBoYWQgZ290IHNldCBieSBkZWZhdWx0 Lg0KKEVzcGVjaWFsbHkgd2l0aG91dCBhIHNoZWxsIGJ1aWx0aW4gdG8gY2xlYXIgaXQuKQ0KDQoJ RGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1v dW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEz OTczODYgKFdhbGVzKQ0K