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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8BC9C433F5 for ; Fri, 22 Oct 2021 04:19:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B827260F4F for ; Fri, 22 Oct 2021 04:19:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230295AbhJVEVn (ORCPT ); Fri, 22 Oct 2021 00:21:43 -0400 Received: from mx22.baidu.com ([220.181.50.185]:43178 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229463AbhJVEVm (ORCPT ); Fri, 22 Oct 2021 00:21:42 -0400 Received: from BC-Mail-Ex31.internal.baidu.com (unknown [172.31.51.25]) by Forcepoint Email with ESMTPS id CD9BBDFC8AD8CA59801D; Fri, 22 Oct 2021 12:19:23 +0800 (CST) Received: from BJHW-Mail-Ex16.internal.baidu.com (10.127.64.39) by BC-Mail-Ex31.internal.baidu.com (172.31.51.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.12; Fri, 22 Oct 2021 12:19:23 +0800 Received: from BJHW-Mail-Ex15.internal.baidu.com (10.127.64.38) by BJHW-Mail-Ex16.internal.baidu.com (10.127.64.39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Fri, 22 Oct 2021 12:19:22 +0800 Received: from BJHW-Mail-Ex15.internal.baidu.com ([100.100.100.38]) by BJHW-Mail-Ex15.internal.baidu.com ([100.100.100.38]) with mapi id 15.01.2308.014; Fri, 22 Oct 2021 12:19:22 +0800 From: "Li,Rongqing" To: Michel Lespinasse CC: "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "mingo@kernel.org" Subject: =?gb2312?B?tPC4tDogW1BBVENIXSByYnRyZWU6IFJlbW92ZSB1bm5lZWRlZCBjaGVjayBj?= =?gb2312?B?b25kaXRpb24gaW4gcmJfZmluZF9maXJzdA==?= Thread-Topic: [PATCH] rbtree: Remove unneeded check condition in rb_find_first Thread-Index: AQHXtk67qDCXZ9JKBUOf9Klxd8vGjaveiukw Date: Fri, 22 Oct 2021 04:19:22 +0000 Message-ID: <5a3a7c84bfb94d26a2d6e88e86f6edda@baidu.com> References: <1632986196-20074-1-git-send-email-lirongqing@baidu.com> <20210930225850.GA6434@lespinasse.org> In-Reply-To: <20210930225850.GA6434@lespinasse.org> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.22.206.4] x-baidu-bdmsfe-datecheck: 1_BJHW-Mail-Ex16_2021-10-22 12:19:23:010 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org UGluZw0KDQotTGkNCg0KPiBPbiBUaHUsIFNlcCAzMCwgMjAyMSBhdCAwMzoxNjozNlBNICswODAw LCBMaSBSb25nUWluZyB3cm90ZToNCj4gPiB0aGUgdmFyaWFibGUgYyBpcyBpbnQgdHlwZSwgc28g Y2hhbmdlIHRoZSBmb2xsb3dpbmcgY29uZGl0aW9uDQo+ID4NCj4gPiAJIGlmIChjIDw9IDApIHsN Cj4gPg0KPiA+IAkgfQ0KPiA+IAkgZWxzZSBpZiAoYyA+IDApIHsNCj4gPg0KPiA+IAkgfQ0KPiA+ IGFzOg0KPiA+IAkgaWYgKGMgPD0gMCkgew0KPiA+DQo+ID4gCSB9DQo+ID4gCSBlbHNlIHsNCj4g Pg0KPiA+IAkgfQ0KPiA+DQo+ID4gU3BvdHRlZC1ieTogTWljaGVsIExlc3BpbmFzc2UgPDxtaWNo ZWxAbGVzcGluYXNzZS5vcmc+Pg0KPiA+IFNpZ25lZC1vZmYtYnk6IExpIFJvbmdRaW5nIDxsaXJv bmdxaW5nQGJhaWR1LmNvbT4NCj4gPiAtLS0NCj4gPiAgaW5jbHVkZS9saW51eC9yYnRyZWUuaCB8 ICAgIDIgKy0NCj4gPiAgMSBmaWxlcyBjaGFuZ2VkLCAxIGluc2VydGlvbnMoKyksIDEgZGVsZXRp b25zKC0pDQo+ID4NCj4gPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9yYnRyZWUuaCBiL2lu Y2x1ZGUvbGludXgvcmJ0cmVlLmggaW5kZXgNCj4gPiAyMzUwNDdkLi5kNWFjOGY3IDEwMDY0NA0K PiA+IC0tLSBhL2luY2x1ZGUvbGludXgvcmJ0cmVlLmgNCj4gPiArKysgYi9pbmNsdWRlL2xpbnV4 L3JidHJlZS5oDQo+ID4gQEAgLTI5NCw3ICsyOTQsNyBAQCBzdGF0aWMgaW5saW5lIHZvaWQgcmJf cmVwbGFjZV9ub2RlX2NhY2hlZChzdHJ1Y3QNCj4gcmJfbm9kZSAqdmljdGltLA0KPiA+ICAJCQlp ZiAoIWMpDQo+ID4gIAkJCQltYXRjaCA9IG5vZGU7DQo+ID4gIAkJCW5vZGUgPSBub2RlLT5yYl9s ZWZ0Ow0KPiA+IC0JCX0gZWxzZSBpZiAoYyA+IDApIHsNCj4gPiArCQl9IGVsc2Ugew0KPiA+ICAJ CQlub2RlID0gbm9kZS0+cmJfcmlnaHQ7DQo+ID4gIAkJfQ0KPiA+ICAJfQ0KPiANCj4gTG9va3Mg Z29vZCB0byBtZSwgdGhhbmtzIGZvciB0aGUgZml4Lg0KPiANCj4gUmV2aWV3ZWQtYnk6IE1pY2hl bCBMZXNwaW5hc3NlIDxtaWNoZWxAbGVzcGluYXNzZS5vcmc+DQo+IA0KPiAtLQ0KPiBNaWNoZWwg IndhbGtlbiIgTGVzcGluYXNzZQ0K