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Wed, 31 Oct 2018 19:23:37 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:22583 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729494AbeJaXXh (ORCPT ); Wed, 31 Oct 2018 19:23:37 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by dkim.mimecast.com with ESMTP id uk-mta-169-yJgCRg4gN6OzIim__iclww-1; Wed, 31 Oct 2018 14:25:18 +0000 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 31 Oct 2018 14:25:23 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 31 Oct 2018 14:25:23 +0000 From: David Laight To: 'Daniel Colascione' CC: "linux-kernel@vger.kernel.org" , "timmurray@google.com" , "joelaf@google.com" Subject: RE: [RFC PATCH] Minimal non-child process exit notification support Thread-Topic: [RFC PATCH] Minimal non-child process exit notification support Thread-Index: AQHUb7BQVhTcKn4SykenXuciwsVIoKU5SOFwgAAJ8QCAABLgAA== Date: Wed, 31 Oct 2018 14:25:22 +0000 Message-ID: <4ed9af67cf4a46708905d3f392344bcb@AcuMS.aculab.com> References: <20181029175322.189042-1-dancol@google.com> <4beaaae77bea4cc5b4cc15504331c9a9@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: 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-MC-Unique: yJgCRg4gN6OzIim__iclww-1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogRGFuaWVsIENvbGFzY2lvbmUNCj4gU2VudDogMzEgT2N0b2JlciAyMDE4IDEyOjU2DQo+ IE9uIFdlZCwgT2N0IDMxLCAyMDE4IGF0IDEyOjI3IFBNLCBEYXZpZCBMYWlnaHQgPERhdmlkLkxh aWdodEBhY3VsYWIuY29tPiB3cm90ZToNCj4gPiBGcm9tOiBEYW5pZWwgQ29sYXNjaW9uZQ0KPiA+ PiBTZW50OiAyOSBPY3RvYmVyIDIwMTggMTc6NTMNCj4gPj4NCj4gPj4gVGhpcyBwYXRjaCBhZGRz IGEgbmV3IGZpbGUgdW5kZXIgL3Byb2MvcGlkLCAvcHJvYy9waWQvZXhpdGhhbmQuDQo+ID4+IEF0 dGVtcHRpbmcgdG8gcmVhZCBmcm9tIGFuIGV4aXRoYW5kIGZpbGUgd2lsbCBibG9jayB1bnRpbCB0 aGUNCj4gPj4gY29ycmVzcG9uZGluZyBwcm9jZXNzIGV4aXRzLCBhdCB3aGljaCBwb2ludCB0aGUg cmVhZCB3aWxsIHN1Y2Nlc3NmdWxseQ0KPiA+PiBjb21wbGV0ZSB3aXRoIEVPRi4gIFRoZSBmaWxl IGRlc2NyaXB0b3Igc3VwcG9ydHMgYm90aCBibG9ja2luZw0KPiA+PiBvcGVyYXRpb25zIGFuZCBw b2xsKDIpLiBJdCdzIGludGVuZGVkIHRvIGJlIGEgbWluaW1hbCBpbnRlcmZhY2UgZm9yDQo+ID4+ IGFsbG93aW5nIGEgcHJvZ3JhbSB0byB3YWl0IGZvciB0aGUgZXhpdCBvZiBhIHByb2Nlc3MgdGhh dCBpcyBub3Qgb25lDQo+ID4+IG9mIGl0cyBjaGlsZHJlbi4NCj4gPg0KPiA+IFdoeSBkbyB5b3Ug bmVlZCBhbiBleHRyYSBmaWxlPw0KPiANCj4gQmVjYXVzZSBubyBjdXJyZW50IGZpbGUgc3VmZmlj ZXMuDQoNClRoYXQgZG9lc24ndCBzdG9wIHlvdSBtYWtpbmcgc29tZXRoaW5nIHdvcmsgb24gYW55 L2FsbCBvZiB0aGUgZXhpc3RpbmcgZmlsZXMuDQoNCj4gPiBJdCBvdWdodCB0byBiZSBwb3NzaWJs ZSB0byB1c2UgcG9sbCgpIHRvIHdhaXQgZm9yIFBPTExFUlIgaGF2aW5nIHNldA0KPiA+ICdldmVu dHMnIHRvIHplcm8gb24gYW55IG9mIHRoZSBub2RlcyBpbiAvcHJvYy9waWQgLSBvciBldmVuIG9u DQo+ID4gdGhlIGRpcmVjdG9yeSBpdHNlbGYuDQo+IA0KPiBUaGF0IGRvZXNuJ3QgYWN0dWFsbHkg d29yayB0b2RheS4gQW5kIHdhaXRpbmcgb24gYSBkaXJlY3Rvcnkgd2l0aA0KPiBQT0xMRVJSIHdv dWxkIGJlIHZlcnkgd2VpcmQsIHNpbmNlIGRpcmVjdG9yaWVzIGluIGdlbmVyYWwgZG9uJ3QgZG8N Cj4gdGhpbmdzIGxpa2UgYmxvY2tpbmcgcmVhZHMgb3IgcG9sbCBzdXBwb3J0LiBBIHNlcGFyYXRl IGZpbGUgd2l0aA0KPiBzZWxmLWNvbnRhaW5lZCwgd2VsbC1kZWZpbmVkIHNlbWFudGljcyBpcyBj bGVhbmVyLg0KDQpEZXZpY2UgZHJpdmVycyB3aWxsICh3ZWxsIG91Z2h0IHRvKSByZXR1cm4gUE9M TEVSUiB3aGVuIGEgZGV2aWNlDQppcyByZW1vdmVkLg0KTWFraW5nIHByb2NmcyBiZWhhdmUgdGhl IHNhbWUgd2F5IHdvdWxkbid0IGJlIHRvbyBzdHVwaWQuDQoNCj4gPiBJbmRlZWQsIHRvIGF2b2lk IGtpbGxpbmcgdGhlIHdyb25nIHByb2Nlc3MgeW91IG5lZWQgdG8gaGF2ZSBvcGVuZWQNCj4gPiBz b21lIG5vZGUgb2YgL3Byb2MvcGlkLyogKG1heWJlIGNtZGxpbmUpIGJlZm9yZSBzZW5kaW5nIHRo ZSBraWxsDQo+ID4gc2lnbmFsLg0KPiANCj4gVGhlIGtlcm5lbCByZWFsbHkgbmVlZHMgYmV0dGVy IGRvY3VtZW50YXRpb24gb2YgdGhlIHNlbWFudGljcyBvZg0KPiBwcm9jZnMgZmlsZSBkZXNjcmlw dG9ycy4gWW91J3JlIG5vdCB0aGUgb25seSBwZXJzb24gdG8gdGhpbmssDQo+IG1pc3Rha2VubHks IHRoYXQga2VlcGluZyBhIHJlZmVyZW5jZSB0byBhIC9wcm9jLyRQSUQvc29tZXRoaW5nIEZEDQo+ IHJlc2VydmVzICRQSUQgYW5kIHByZXZlbnRzIGl0IGJlaW5nIHVzZWQgZm9yIGFub3RoZXIgcHJv Y2Vzcy4gUHJvY2ZzDQo+IEZEcyBkbyBubyBzdWNoIHRoaW5nLiBraWxsKDIpIGlzIHVuc2FmZSB3 aGV0aGVyIG9yIG5vdA0KPiAvcHJvYy9waWQvY21kbGluZSBvciBhbnkgb3RoZXIgL3Byb2MgZmls ZSBpcyBvcGVuLg0KDQpJbnRlcmVzdGluZy4NCkxpbnV4ICdmaXhlZCcgdGhlIHByb2JsZW0gb2Yg cGlkIHJldXNlIGluIHRoZSBrZXJuZWwgYnkgYWRkaW5nIChJSVJDKQ0KJ3N0cnVjdCBwaWQnIHRo YXQgcmVmZXJlbmNlIGNvdW50cyB0aGUgcGlkIHN0b3BwaW5nIHJldXNlLg0KQnV0IHNpbmNlIHRo ZSBwaWRzIGFyZSBzdGlsbCBhbGxvY2F0ZWQgc2VxdWVudGlhbGx5IHVzZXJzcGFjZSBjYW4NCnN0 aWxsIHJlZmVyZW5jZSBhIHBpZCB0aGF0IGlzIGZyZWVkIGFuZCBpbW1lZGlhdGVseSByZXVzZWQu DQpJJ2QgaGF2ZSB0aG91Z2h0IHRoYXQgcHJvY2ZzIG5vZGVzIGhlbGQgYSByZWZlcmVuY2UgY291 bnQgb24gdGhlICdzdHJ1Y3QgcGlkJy4NClRoZXJlJ3MgcHJvYmFibHkgbm8gcmVhc29uIHdoeSBp dCBzaG91bGRuJ3QuDQoNCkFubm95aW5nbHkgbm9uLUdQTCBkcml2ZXJzIGNhbid0IHJlbGVhc2Ug cmVmZXJlbmNlcyB0byAnc3RydWN0IHBpZCcgc28NCmFyZSB2ZXJ5IGNvbnN0cmFpbmVkIGFib3V0 IHdoaWNoIHByb2Nlc3NlcyB0aGV5IGNhbiBzaWduYWwuDQpJIGFsc28gbWFuYWdlZCB0byB1c2Ug YSBzdGFsZSAnc3RydWN0IHBpZCcgYW5kIGtpbGwgdGhlIHdyb25nIHByb2Nlc3MNCi0gbXVjaCBt b3JlIGxpa2VseSB0aGF0IHRoZSBwaWQgbnVtYmVyIGJlaW5nIHJldXNlZC4NCg0KSWYgeW91IGxv b2sgYXQgdGhlIE5ldEJTRCBwaWQgYWxsb2NhdG9yIHlvdSdsbCBzZWUgdGhhdCBpdCB1c2VzIHRo ZQ0KbG93IHBpZCBiaXRzIHRvIGluZGV4IGFuIGFycmF5IGFuZCB0aGUgaGlnaCBiaXRzIGFzIGEg c2VxdWVuY2UgbnVtYmVyLg0KVGhlIGFycmF5IHNsb3RzIGFyZSBhbHNvIHJldXNlZCBMSUZPLCBz byB5b3UgYWx3YXlzIG5lZWQgYSBzaWduaWZpY2FudA0KbnVtYmVyIG9mIHBpZCBhbGxvY2F0ZS9m cmVlIGJlZm9yZSBhIG51bWJlciBpcyByZXVzZWQuDQpUaGUgbm9uLXNlcXVlbnRpYWwgYWxsb2Nh dGlvbiBhbHNvIG1ha2VzIGl0IHNpZ25pZmljYW50bHkgbW9yZSBkaWZmaWN1bHQNCnRvIHByZWRp Y3Qgd2hlbiBhIHBpZCB3aWxsIGJlIHJldXNlZC4NClRoZSB0YWJsZSBzaXplIGlzIGRvdWJsZWQg d2hlbiBpdCBnZXRzIG5lYXJseSBmdWxsLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K