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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 699BAC2D0F6 for ; Wed, 13 May 2020 01:48:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 230AD20714 for ; Wed, 13 May 2020 01:48:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="DU2MZ9ww" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 230AD20714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A5F089000FD; Tue, 12 May 2020 21:48:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A0EC39000F3; Tue, 12 May 2020 21:48:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8FC219000FD; Tue, 12 May 2020 21:48:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0073.hostedemail.com [216.40.44.73]) by kanga.kvack.org (Postfix) with ESMTP id 788649000F3 for ; Tue, 12 May 2020 21:48:02 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 2BAB9483C for ; Wed, 13 May 2020 01:48:02 +0000 (UTC) X-FDA: 76810010004.10.cork30_45fca73cd740b X-HE-Tag: cork30_45fca73cd740b X-Filterd-Recvd-Size: 6143 Received: from mailgw01.mediatek.com (unknown [210.61.82.183]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Wed, 13 May 2020 01:48:00 +0000 (UTC) X-UUID: d39001488b2a45ac8a5bd4504e47d692-20200513 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=o7JP9AdWJu6YlfE0C1p8Mhx9/TUpPDMGmCuMKKblwlg=; b=DU2MZ9wwW3qTu8oDQZT66TASPYtZnA3M+g0rBEm5DPeLR+nbeftLSdI9LC+6LJPtZL6OOWWhSi8IQgw552WtpJx3PgTiBrCVRe8EOlfj3oaM6IOtp+97/iDJBf+E4NSlbUptIaYs7rkz4ot4HJ1sV2Gc11KUXjr/BwQxYneb6bA=; X-UUID: d39001488b2a45ac8a5bd4504e47d692-20200513 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 2033237458; Wed, 13 May 2020 09:47:53 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 13 May 2020 09:47:52 +0800 Received: from [172.21.84.99] (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 13 May 2020 09:47:52 +0800 Message-ID: <1589334472.19238.44.camel@mtksdccf07> Subject: Re: [PATCH v2 1/3] rcu/kasan: record and print call_rcu() call stack From: Walter Wu To: Dmitry Vyukov CC: Andrey Ryabinin , Alexander Potapenko , Matthias Brugger , "Paul E . McKenney" , Josh Triplett , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes , "Andrew Morton" , kasan-dev , Linux-MM , LKML , "Linux ARM" Date: Wed, 13 May 2020 09:47:52 +0800 In-Reply-To: References: <20200511023111.15310-1-walter-zh.wu@mediatek.com> <1589203771.21284.22.camel@mtksdccf07> <1589254720.19238.36.camel@mtksdccf07> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: T24gVHVlLCAyMDIwLTA1LTEyIGF0IDE2OjAzICswMjAwLCBEbWl0cnkgVnl1a292IHdyb3RlOg0K PiBPbiBUdWUsIE1heSAxMiwgMjAyMCBhdCA1OjM4IEFNIFdhbHRlciBXdSA8d2FsdGVyLXpoLnd1 QG1lZGlhdGVrLmNvbT4gd3JvdGU6DQo+ID4gPiBBcmUgeW91IHN1cmUgaXQgd2lsbCBpbmNyZWFz ZSBvYmplY3Qgc2l6ZT8NCj4gPiA+IEkgdGhpbmsgd2Ugb3ZlcmxhcCBrYXNhbl9mcmVlX21ldGEg d2l0aCB0aGUgb2JqZWN0IGFzIHdlbGwuIFRoZSBvbmx5DQo+ID4gPiBjYXNlIHdlIGRvbid0IG92 ZXJsYXAga2FzYW5fZnJlZV9tZXRhIHdpdGggdGhlIG9iamVjdCBhcmUNCj4gPiA+IFNMQUJfVFlQ RVNBRkVfQllfUkNVIHx8IGNhY2hlLT5jdG9yLiBCdXQgdGhlc2UgYXJlIHJhcmUgYW5kIGl0IHNo b3VsZA0KPiA+ID4gb25seSBhZmZlY3Qgc21hbGwgb2JqZWN0cyB3aXRoIHNtYWxsIHJlZHpvbmVz Lg0KPiA+ID4gQW5kIEkgdGhpbmsgbm93IHdlIHNpbXBseSBoYXZlIGEgYnVnIGZvciB0aGVzZSBv YmplY3RzLCB3ZSBjaGVjaw0KPiA+ID4gS0FTQU5fS01BTExPQ19GUkVFIGFuZCB0aGVuIGFzc3Vt ZSBvYmplY3QgY29udGFpbnMgZnJlZSBzdGFjaywgYnV0IGZvcg0KPiA+ID4gb2JqZWN0cyB3aXRo IGN0b3IsIHRoZXkgc3RpbGwgY29udGFpbiBsaXZlIG9iamVjdCBkYXRhLCB3ZSBkb24ndCBzdG9y ZQ0KPiA+ID4gZnJlZSBzdGFjayBpbiB0aGVtLg0KPiA+ID4gU3VjaCBvYmplY3RzIGNhbiBiZSBi b3RoIGZyZWUgYW5kIHN0aWxsIGNvbnRhaW4gdXNlciBkYXRhLg0KPiA+ID4NCj4gPg0KPiA+IE92 ZXJsYXkga2FzYW5fZnJlZV9tZXRhLiBJIHNlZS4gYnV0IG92ZXJsYXkgaXQgb25seSB3aGVuIHRo ZSBvYmplY3Qgd2FzDQo+ID4gZnJlZWQuIGthc2FuX2ZyZWVfbWV0YSB3aWxsIGJlIHVzZWQgdW50 aWwgZnJlZSBvYmplY3QuDQo+ID4gMSkuIFdoZW4gcHV0IG9iamVjdCBpbnRvIHF1YXJhbnRpbmUs IGl0IG5lZWQga2FzYW5fZnJlZV9tZXRhLg0KPiA+IDIpLiBXaGVuIHRoZSBvYmplY3QgZXhpdCBm cm9tIHF1YXJhbnRpbmUsIGl0IG5lZWQga2FzYW5fZnJlZV9tZXRhDQo+ID4NCj4gPiBJZiB3ZSBj aG9vc2UgdG8gb3ZlcmxheSBrYXNhbl9mcmVlX21ldGEsIHRoZW4gdGhlIGZyZWUgc3RhY2sgd2ls bCBiZQ0KPiA+IHN0b3JlZCB2ZXJ5IGxhdGUuIEl0IG1heSBoYXMgbm8gZnJlZSBzdGFjayBpbiBy ZXBvcnQuDQo+IA0KPiBTb3JyeSwgSSBkb24ndCB1bmRlcnN0YW5kIHdoYXQgeW91IG1lYW4uDQo+ IA0KPiBXaHkgd2lsbCBpdCBiZSBzdG9yZWQgdG9vIGxhdGU/DQo+IEluIF9fa2FzYW5fc2xhYl9m cmVlKCkgcHV0dGluZyBpbnRvIHF1YXJhbnRpbmUgYW5kIHJlY29yZGluZyBmcmVlDQo+IHN0YWNr IGFyZSBsaXRlcmFsbHkgYWRqYWNlbnQgbGluZXMgb2YgY29kZToNCj4gDQo+IHN0YXRpYyBib29s IF9fa2FzYW5fc2xhYl9mcmVlKHN0cnVjdCBrbWVtX2NhY2hlICpjYWNoZSwgdm9pZCAqb2JqZWN0 LA0KPiAgICAgICB1bnNpZ25lZCBsb25nIGlwLCBib29sIHF1YXJhbnRpbmUpDQo+IHsNCj4gICAg IC4uLg0KPiAgICAga2FzYW5fc2V0X2ZyZWVfaW5mbyhjYWNoZSwgb2JqZWN0LCB0YWcpOw0KPiAg ICAgcXVhcmFudGluZV9wdXQoZ2V0X2ZyZWVfaW5mbyhjYWNoZSwgb2JqZWN0KSwgY2FjaGUpOw0K PiANCj4gDQo+IEp1c3QgdG8gbWFrZSBzdXJlLCB3aGF0IEkgbWVhbnQgaXMgdGhhdCB3ZSBhZGQg ZnJlZV90cmFjayB0byBrYXNhbl9mcmVlX21ldGE6DQo+IA0KPiBzdHJ1Y3Qga2FzYW5fZnJlZV9t ZXRhIHsNCj4gICAgIHN0cnVjdCBxbGlzdF9ub2RlIHF1YXJhbnRpbmVfbGluazsNCj4gKyAgc3Ry dWN0IGthc2FuX3RyYWNrIGZyZWVfdHJhY2s7DQo+IH07DQo+IA0KDQpXaGVuIEkgc2VlIGFib3Zl IHN0cnVjdCBrYXNhbl9mcmVlX21ldGEsIEkga25vdyB3aHkgeW91IGRvbid0IHVuZGVyc3RhbmQN Cm15IG1lYW5pbmcsIGJlY2F1c2UgSSB0aG91Z2h0IHlvdSB3ZXJlIGdvaW5nIHRvIG92ZXJsYXkg dGhlDQpxdWFyYW50aW5lX2xpbmsgYnkgZnJlZV90cmFjaywgYnV0IGl0IHNlZW1zIGxpa2UgdG8g YWRkIGZyZWVfdHJhY2sgdG8NCmthc2FuX2ZyZWVfbWV0YS4gRG9lcyBpdCBlbmxhcmdlIG1ldGEt ZGF0YSBzaXplPw0KDQo+IEFuZCBJIHRoaW5rIGl0cyBsaWZlLXRpbWUgYW5kIGV2ZXJ5dGhpbmcg c2hvdWxkIGJlIGV4YWN0bHkgd2hhdCB3ZSBuZWVkLg0KPiANCj4gQWxzbyBpdCBzaG91bGQgaGVs cCB0byBmaXggdGhlIHByb2JsZW0gd2l0aCBjdG9yczoga2FzYW5fZnJlZV9tZXRhIGlzDQo+IGFs cmVhZHkgYWxsb2NhdGVkIG9uIHRoZSBzaWRlIGZvciBzdWNoIG9iamVjdHMsIGFuZCB0aGF0J3Mg ZXhhY3RseQ0KPiB3aGF0IHdlIG5lZWQgZm9yIG9iamVjdHMgd2l0aCBjdG9yJ3MuDQoNCkkgc2Vl Lg0KDQoNCg==