From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id wrtwD9n0zmdpEgsAWB0awg (envelope-from ) for ; Mon, 10 Mar 2025 10:19:05 -0400 Authentication-Results: simark.ca; dkim=pass (2048-bit key; unprotected) header.d=lists.lttng.org header.i=@lists.lttng.org header.a=rsa-sha256 header.s=default header.b=gM2ZKz1g; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id 2D4221E105; Mon, 10 Mar 2025 10:19:05 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=4.0.0 Received: from lists.lttng.org (lists.lttng.org [158.69.130.29]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 781F91E08E for ; Mon, 10 Mar 2025 10:19:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.lttng.org; s=default; t=1741616344; bh=40vA7GLwgTWif0ISCGVnJqYblIsEEPz4oSxD3X0bviE=; h=Date:To:Subject:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=gM2ZKz1gyssDCVgLKUpKwh8AePj4/nXikSd5YfkWzoC08qo1EOmYUJWiqxUuh8On5 9Qksqe0Dxd1znicO4xFIWIVRw7Uh+DcYa+cGYEN+N67rJI8ItUo2XbYF/ruGS65zi7 tqoBb8DSkglsPrXen/NrXX34LpoWlEtxL8RVHKjrEfLS+4puEpFtvoVnBwUupLks5g YqwFOUrljPjjf0l+KaPGlALpnZxMOphmZfQMZHbWRwO5feYBLC1o/R2TIDgG3blUrj s75yCHhCzO/8ubKTuQj1ulfsLLYwwjrGPmszgiOeZN0GMH8FL7qPDbe6JwgTdTuRbi jYKw5lB3I69IA== Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4ZBJt01205z1kkL; Mon, 10 Mar 2025 10:19:04 -0400 (EDT) Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.2]) by lists.lttng.org (Postfix) with ESMTP id 4Z8yHr4JsRz1040 for ; Sat, 8 Mar 2025 04:18:16 -0500 (EST) Received: from fangkaihit$163.com ( [39.144.124.17] ) by ajax-webmail-wmsvr-40-105 (Coremail) ; Sat, 8 Mar 2025 17:18:08 +0800 (CST) X-Originating-IP: [39.144.124.17] Date: Sat, 8 Mar 2025 17:18:08 +0800 (CST) To: "Mathieu Desnoyers" Subject: Re:Re: need help for avoiding system calls while using URCU (Userspace RCU) X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: <7d25653c-5082-4632-8bc8-a387d41760e4@efficios.com> References: <5bfbaea6.79f9.19560340335.Coremail.fangkaihit@163.com> <7d25653c-5082-4632-8bc8-a387d41760e4@efficios.com> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <217d2435.2b02.195750c31f0.Coremail.fangkaihit@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: aSgvCgAXPJdQC8xndpd4AA--.9544W X-CM-SenderInfo: 5idqwypdlkx3i6rwjhhfrp/1tbiXRAIIGfKF26IWwACsg X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-Mailman-Approved-At: Mon, 10 Mar 2025 10:19:03 -0400 X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: =?utf-8?b?5pa56ZS0IHZpYSBsdHRuZy1kZXY=?= Reply-To: =?UTF-8?B?5pa56ZS0?= Cc: lttng-dev@lists.lttng.org Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" ZGVhciBNYXRoaWV1PGJyLz4gIFRoYW5rIHlvdSBmb3IgeW91ciBndWlkYW5jZSwgSSd2ZSBmb3Vu ZCBES0RQJ3MgVVJDVSBzdWNjZXNzZnVsbHkgYXZvaWRzIHN5c3RlbSBjYWxscy4gR3JhdGVmdWwg Zm9yIHlvdXIgc3VwcG9ydCE8YnIvPkJlc3QgcmVnYXJkcyw8YnIvPmZhbmdrYWkKQXQgMjAyNS0w My0wNyAwMDo1ODoyMSwgIk1hdGhpZXUgRGVzbm95ZXJzIiA8bWF0aGlldS5kZXNub3llcnNAZWZm aWNpb3MuY29tPiB3cm90ZToKPk9uIDIwMjUtMDMtMDYgMTE6MTcsIEtpZW5hbiBTdGV3YXJ0IHZp YSBsdHRuZy1kZXYgd3JvdGU6DQo+PiBIaSDmlrnplLQsDQo+PiANCj4+IE9uIDMvNC8yNSAzOjA5 IEFNLCDmlrnplLQgdmlhIGx0dG5nLWRldiB3cm90ZToNCj4+IA0KPj4+IEkgaGF2ZSByZWZlcmVu Y2VkIHlvdXIgcHJvamVjdCwgVVJDVSAoVXNlcnNwYWNlIFJDVSksIG9uIEdpdEh1Yiwgd2hpY2gg DQo+Pj4gaXMgYmFzZWQgb24gdGhlIFFTQlIgbW9kZWwuIEhvd2V2ZXIsIEkgDQo+PiBub3RpY2Vk IHRoYXQgd2hlbiB1c2luZyBpdCBpbiB1c2VyIG1vZGUsIGl0IG1ha2VzIHN5c3RlbSBjYWxscyB0 byBlbnRlciANCj4+IHRoZSBrZXJuZWwuIENvdWxkIHlvdSBwbGVhc2UgcHJvdmlkZSBndWlkYW5j ZSBvbiBob3cgdG8gYWRkcmVzcyB0aGlzIGlzc3VlPw0KPj4gDQo+PiBBcmUgdGhlcmUgc3BlY2lm aWMgcGFydHMgb2YgdGhlIEFQSSB0aGF0IHlvdSBuZWVkIHRvIGJlIHVzZXItc3BhY2Ugb25seT8N Cj4+IA0KPj4gID4gSSBhaW0gdG8gYWNoaWV2ZSBhIHB1cmUgdXNlci1tb2RlIGltcGxlbWVudGF0 aW9uLiBTcGVjaWZpY2FsbHksIEkgDQo+PiB3b3VsZCBhcHByZWNpYXRlIGFueSBpbnNpZ2h0cyBv ciBzdWdnZXN0aW9ucyBvbiBhdm9pZGluZyBzeXN0ZW0gY2FsbHMgDQo+PiB3aGlsZSBzdGlsbCBt YWludGFpbmluZyB0aGUgZnVuY3Rpb25hbGl0eSBvZiB0aGUgUVNCUiBtb2RlbCBpbiB1c2VyIA0K Pj4gc3BhY2UuIFRoYW5rIHlvdSB2ZXJ5IG11Y2ggZm9yIHlvdXIgdGltZSBhbmQgYXNzaXN0YW5j ZS4NCj4+IA0KPj4gQ3VycmVudGx5IHRoZSBsb2NraW5nIGlzIGRvbmUgdXNpbmcgZnV0ZXhzLCB3 aGljaCBhcmUgc3lzdGVtIGNhbGxzLiANCj4NCj5DbGFyaWZpY2F0aW9uOiB0aGUgd2FpdC93YWtl dXAgYmV0d2VlbiByZWFkLXNpZGUgYW5kIHN5bmNocm9uaXplIGlzIGRvbmUNCj51c2luZyB0aGUg ZnV0ZXggc3lzdGVtIGNhbGwuIFRoZXJlIGlzIG5vIGxvY2tpbmcgb24gdGhlIHJlYWQtc2lkZQ0K PnBlci1zZS4NCj4NCj5UaGFua3MsDQo+DQo+TWF0aGlldQ0KPg0KPj4gVGhvc2UgY291bGQgcG90 ZW50aWFsbHkgYmUgcmVwbGFjZWQgd2l0aCBhIHBvbGwvcmV0cnkgc3lzdGVtIGVpdGhlciBpbiBh IA0KPj4gZGlmZmVyZW50IGZsYXZvdXIgb2YgVVJDVSBvciBhdCBidWlsZC10aW1lLg0KPj4gDQo+ PiB0aGFua3MsDQo+PiBraWVuYW4NCj4NCj4NCj4tLSANCj5NYXRoaWV1IERlc25veWVycw0KPkVm ZmljaU9TIEluYy4NCj5odHRwczovL3d3dy5lZmZpY2lvcy5jb20NCg==