Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp2539048yba; Mon, 22 Apr 2019 08:34:36 -0700 (PDT) X-Google-Smtp-Source: APXvYqxIFj7gAn3abcVdmuUFOMCMoXsjrBB8jQBon5vxVuynES33LrchTREaeGUL+UagpjyAuYKB X-Received: by 2002:a17:902:463:: with SMTP id 90mr21114819ple.140.1555947276546; Mon, 22 Apr 2019 08:34:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555947276; cv=none; d=google.com; s=arc-20160816; b=JpYmIylYcSfeNZslYBvWxBbtgAS0aZEMIg2mKTDIx28MYbssOHeQx7tIwygJU/Mo+G gIxvRR8uKunuTvaLh8qvgpkrknP31F9oxKtHOcdmy5LmUAnMNkKREfnqETrNqjFziPA6 vJDkmzx+Lqohk4GAU7SgIa098NrvwV2oxOWwE32+DqfSuFX1ToLetZ9m7NnmNj+7XF4L ey7A4tAOwoJURT3q3AFYyjZceygkfXHmhGocAKQ7JRIeddw8WKFkEu7PEspmw/kSG0Af +5F6j+dsuswk/XTjV0vaMG0nDQCRNNKUefQ7dNChFh8bm8qiQq6Vc2BrLHli/5OpHzfA InTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from; bh=SQUw/e/ZYGzOE3NJdZZg09EHrLerkQ7DQ4S6JeoC5qU=; b=JErpsqPc4KkRljNCD2fKZCOnLWuneYYHi+RSN9VyP3NGDeYvDDs/0rBHDwDnqn8R1h nJ8FfrE2xMM2bmNO9MotvBzhdB4IG9pxRanN9He35gCggbYHz17Yv4zHskatw+9pjmkC l8XgBsdLfz/THFEPfeKL13fMCJzy5rybRPrDEqulD4DcK0taRZCjcCCTvvhFko2godWB 3BzJhyG4as6KOc4wBztDxZkK3xSQqe0gy0AIhTCkjEE2VL0pDgxUCklP1V5yevUtscyL HC3YU716PBz3b3ZMfPCnGk/knjT6ZhhnzCfRj7w4oUDDcBivgFdR0ktmoI8kwcd9Y8xg 9CSw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n7si13645788pff.190.2019.04.22.08.34.21; Mon, 22 Apr 2019 08:34:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727746AbfDVO5H (ORCPT + 99 others); Mon, 22 Apr 2019 10:57:07 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:2991 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726260AbfDVO5G (ORCPT ); Mon, 22 Apr 2019 10:57:06 -0400 Received: from dggemi406-hub.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 6C2F2CDAE404ADF4B314; Mon, 22 Apr 2019 22:56:11 +0800 (CST) Received: from DGGEMI530-MBX.china.huawei.com ([169.254.7.146]) by dggemi406-hub.china.huawei.com ([10.3.17.144]) with mapi id 14.03.0399.000; Mon, 22 Apr 2019 22:56:06 +0800 From: weizhenliang To: Christian Brauner CC: "Eric W. Biederman" , Oleg Nesterov , "colona@arista.com" , Andrew Morton , Arnd Bergmann , Thomas Gleixner , Deepa Dinamani , "Greg Kroah-Hartman" , linux-kernel , "stable@vger.kernel.org" Subject: Re: [PATCH v2] signal: trace_signal_deliver when signal_group_exit Thread-Topic: [PATCH v2] signal: trace_signal_deliver when signal_group_exit Thread-Index: AdT4/f2TUdzcmSVWTieuaenNlJkeog== Date: Mon, 22 Apr 2019 14:56:05 +0000 Message-ID: Accept-Language: en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.40.99.192] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gTW9uLCBBcHIgMjIsIDIwMTkgYXQgNjozNyBQTSBDaHJpc3RpYW4gQnJhdW5lciA8bWFpbHRv OmNocmlzdGlhbkBicmF1bmVyLmlvPiB3cm90ZToNCj5PbiBNb24sIEFwciAyMiwgMjAxOSBhdCA4 OjU3IEFNIFpoZW5saWFuZyBXZWkgPHdlaXpoZW5saWFuZ0BodWF3ZWkuY29tPiB3cm90ZToNCj4+ DQo+PiBJbiB0aGUgZm9sbG93aW5nIGNvbW1pdCwgcmVtb3ZpbmcgU0lHS0lMTCBmcm9tIGVhY2gg dGhyZWFkIHNpZ25hbCBtYXNrIA0KPj4gYW5kIGV4ZWN1dGluZyAiZ290byBmYXRhbCIgZGlyZWN0 bHkgd2lsbCBza2lwIHRoZSBjYWxsIHRvIA0KPj4gInRyYWNlX3NpZ25hbF9kZWxpdmVyIi4gQXQg dGhpcyBwb2ludCwgdGhlIGRlbGl2ZXJ5IHRyYWNraW5nIG9mIHRoZSANCj4+IFNJR0tJTEwgc2ln bmFsIHdpbGwgYmUgaW5hY2N1cmF0ZS4NCj4+DQo+PiBjb21taXQgY2Y0M2E3NTdmZDQ5NDQgKCJz aWduYWw6IFJlc3RvcmUgdGhlIHN0b3AgUFRSQUNFX0VWRU5UX0VYSVQiKQ0KPj4NCj4+IFRoZXJl Zm9yZSwgd2UgbmVlZCB0byBhZGQgdHJhY2Vfc2lnbmFsX2RlbGl2ZXIgYmVmb3JlICJnb3RvIGZh dGFsIg0KPj4gYWZ0ZXIgZXhlY3V0aW5nIHNpZ2RlbHNldC4NCj4+DQo+PiBOb3RlOiBUaGUgYWN0 aW9uW1NJR0tJTExdIG11c3QgYmUgU0lHX0RGTCwgYW5kIFNFTkRfU0lHX05PSU5GTyBtYXRjaGVz IA0KPj4gdGhlIGZhY3QgdGhhdCBTSUdLSUxMIGRvZXNuJ3QgaGF2ZSBhbnkgaW5mby4NCj4+DQo+ PiBTaWduZWQtb2ZmLWJ5OiBaaGVubGlhbmcgV2VpIDx3ZWl6aGVubGlhbmdAaHVhd2VpLmNvbT4N Cj4NCj5KdXN0IGEgbml0IGJlbG93IG90aGVyd2lzZQ0KPg0KPkFja2VkLWJ5OiBDaHJpc3RpYW4g QnJhdW5lciA8Y2hyaXN0aWFuQGJyYXVuZXIuaW8+DQo+DQo+WW91IHNob3VsZCBwcm9iYWJseSBt YWtlIHRoZSBsaW5lOg0KPmNvbW1pdCBjZjQzYTc1N2ZkNDk0NCAoInNpZ25hbDogUmVzdG9yZSB0 aGUgc3RvcCBQVFJBQ0VfRVZFTlRfRVhJVCIpIGEgRml4ZXMtbGluZSByaWdodCBhYm92ZSB5b3Vy IGNvbW1pdDoNCj5GaXhlcyBjZjQzYTc1N2ZkNDk0NCAoInNpZ25hbDogUmVzdG9yZSB0aGUgc3Rv cCBQVFJBQ0VfRVZFTlRfRVhJVCIpDQo+DQo+PiAtLS0NCj4+ICBrZXJuZWwvc2lnbmFsLmMgfCAx ICsNCj4+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKykNCj4+DQo+PiBkaWZmIC0tZ2l0 IGEva2VybmVsL3NpZ25hbC5jIGIva2VybmVsL3NpZ25hbC5jIGluZGV4IA0KPj4gMjI3YmExNzAy OThlLi4wZjY5YWRhMzc2ZWYgMTAwNjQ0DQo+PiAtLS0gYS9rZXJuZWwvc2lnbmFsLmMNCj4+ICsr KyBiL2tlcm5lbC9zaWduYWwuYw0KPj4gQEAgLTI0NDEsNiArMjQ0MSw3IEBAIGJvb2wgZ2V0X3Np Z25hbChzdHJ1Y3Qga3NpZ25hbCAqa3NpZykNCj4+ICAgICAgICAgaWYgKHNpZ25hbF9ncm91cF9l eGl0KHNpZ25hbCkpIHsNCj4+ICAgICAgICAgICAgICAgICBrc2lnLT5pbmZvLnNpX3NpZ25vID0g c2lnbnIgPSBTSUdLSUxMOw0KPj4gICAgICAgICAgICAgICAgIHNpZ2RlbHNldCgmY3VycmVudC0+ cGVuZGluZy5zaWduYWwsIFNJR0tJTEwpOw0KPj4gKyAgICAgICAgICAgICAgIHRyYWNlX3NpZ25h bF9kZWxpdmVyKFNJR0tJTEwsIFNFTkRfU0lHX05PSU5GTywgDQo+PiArIFNJR19ERkwpOw0KPj4g ICAgICAgICAgICAgICAgIHJlY2FsY19zaWdwZW5kaW5nKCk7DQo+PiAgICAgICAgICAgICAgICAg Z290byBmYXRhbDsNCj4+ICAgICAgICAgfQ0KPj4gLS0NCj4+IDIuMTQuMS53aW5kb3dzLjENCj4+ DQo+Pg0KDQpUaGFua3MgZm9yIHlvdXIgY29tbWVudHMsIEkgd2lsbCBhZGp1c3QgdGhlIGNvbW1p dCBtc2cgYW5kIHJlc2VuZCB0aGUgcGF0Y2ggYWNjb3JkaW5nIHRvIHlvdXIgc3VnZ2VzdGlvbnMu DQpJZiB0aGVyZSBhcmUgb3RoZXIgc3VnZ2VzdGlvbnMsIHBsZWFzZSBsZXQgbWUga25vdy4gVGhh bmtzIGFnYWlufg0KDQpaaGVubGlhbmcgV2VpLg0K