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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18FCDC761AF for ; Thu, 30 Mar 2023 14:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232587AbjC3O7K (ORCPT ); Thu, 30 Mar 2023 10:59:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232641AbjC3O7B (ORCPT ); Thu, 30 Mar 2023 10:59:01 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A80ACDE9 for ; Thu, 30 Mar 2023 07:58:43 -0700 (PDT) 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-194-oEK8kR7MNXufi6_5iMJJKw-1; Thu, 30 Mar 2023 15:58:25 +0100 X-MC-Unique: oEK8kR7MNXufi6_5iMJJKw-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; Thu, 30 Mar 2023 15:58:24 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Thu, 30 Mar 2023 15:58:24 +0100 From: David Laight To: "'y86-dev@protonmail.com'" , Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?utf-8?B?QmrDtnJuIFJveSBCYXJvbg==?= , Alice Ryhl CC: "rust-for-linux@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "patches@lists.linux.dev" Subject: RE: [PATCH v3 12/13] rust: sync: reduce stack usage of `UniqueArc::try_new_uninit` Thread-Topic: [PATCH v3 12/13] rust: sync: reduce stack usage of `UniqueArc::try_new_uninit` Thread-Index: AQHZYo67xiEDbSa93U2SiSHlQgdRKq8TaqBw Date: Thu, 30 Mar 2023 14:58:24 +0000 Message-ID: <7f55875c46ab4c4989323ede57f6e46d@AcuMS.aculab.com> References: <20230329223239.138757-13-y86-dev@protonmail.com> In-Reply-To: <20230329223239.138757-13-y86-dev@protonmail.com> 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogeTg2LWRldkBwcm90b25tYWlsLmNvbQ0KPiBTZW50OiAyOSBNYXJjaCAyMDIzIDIzOjM0 DQo+IA0KPiBgVW5pcXVlQXJjOjp0cnlfbmV3X3VuaW5pdGAgY2FsbHMgYEFyYzo6dHJ5X25ldyhN YXliZVVuaW5pdDo6dW5pbml0KCkpYC4NCj4gVGhpcyByZXN1bHRzIGluIHRoZSB1bmluaXRpYWxp emVkIG1lbW9yeSBiZWluZyBwbGFjZWQgb24gdGhlIHN0YWNrLA0KPiB3aGljaCBtYXkgYmUgYXJi aXRyYXJpbHkgbGFyZ2UgZHVlIHRvIHRoZSBnZW5lcmljIGBUYCBhbmQgdGh1cyBjb3VsZA0KPiBj YXVzZSBhIHN0YWNrIG92ZXJmbG93IGZvciBsYXJnZSB0eXBlcy4NCg0KRG9lcyB0aGF0IG1lYW4g cnVzdCBpcyB1c2luZyAodGhlIGVxdWl2YWxlbnQgb2YpIGFsbG9jYSgpID8NCg0KVGhhdCBpcyBi YW5uZWQgZm9yIEMgY29kZSBpbiB0aGUga2VybmVsIGZvciBhbnkgc2l6ZXMuDQoNCglEYXZpZA0K DQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFy bSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAo V2FsZXMpDQo=