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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 79C58C0044C for ; Mon, 5 Nov 2018 11:24:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 322CE20869 for ; Mon, 5 Nov 2018 11:24:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 322CE20869 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729462AbeKEUnU (ORCPT ); Mon, 5 Nov 2018 15:43:20 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:60002 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728899AbeKEUnT (ORCPT ); Mon, 5 Nov 2018 15:43:19 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by dkim.mimecast.com with ESMTP id uk-mta-170-Dftf6rR-OnOg5abpB7upeg-1; Mon, 05 Nov 2018 11:24:03 +0000 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 5 Nov 2018 11:24:07 +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; Mon, 5 Nov 2018 11:24:07 +0000 From: David Laight To: 'Arnd Bergmann' , Saeed Mahameed , Leon Romanovsky , "David S. Miller" CC: Tariq Toukan , Eran Ben Elisha , Boris Pismenny , Ilya Lesokhin , Moshe Shemesh , Kamal Heib , "netdev@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] net/mlx5e: fix high stack usage Thread-Topic: [PATCH] net/mlx5e: fix high stack usage Thread-Index: AQHUcsFsWmNXkRFIKUCZH9kBrP0aw6VBDQVA Date: Mon, 5 Nov 2018 11:24:06 +0000 Message-ID: References: <20181102153316.1492515-1-arnd@arndb.de> In-Reply-To: <20181102153316.1492515-1-arnd@arndb.de> 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: Dftf6rR-OnOg5abpB7upeg-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 RnJvbTogQXJuZCBCZXJnbWFubg0KPiBTZW50OiAwMiBOb3ZlbWJlciAyMDE4IDE1OjMzDQo+IA0K PiBBIHBhdGNoIHRoYXQgbG9va3MgaGFybWxlc3MgY2F1c2VzIHRoZSBzdGFjayB1c2FnZSBvZiB0 aGUgbWx4NWVfZ3JwX3N3X3VwZGF0ZV9zdGF0cygpDQo+IGZ1bmN0aW9uIHRvIGRyYXN0aWNhbGx5 IGluY3JlYXNlIHdpdGggeDg2IGdjYy00LjkgYW5kIGhpZ2hlciAodGVzdGVkIHVwIHRvIDguMSk6 DQo+IA0KPiBkcml2ZXJzL25ldC9ldGhlcm5ldC9tZWxsYW5veC9tbHg1L2NvcmUvZW5fc3RhdHMu YzogSW4gZnVuY3Rpb24g4oCYbWx4NWVfZ3JwX3N3X3VwZGF0ZV9zdGF0c+KAmToNCj4gZHJpdmVy cy9uZXQvZXRoZXJuZXQvbWVsbGFub3gvbWx4NS9jb3JlL2VuX3N0YXRzLmM6MjE2OjE6IHdhcm5p bmc6IHRoZSBmcmFtZSBzaXplIG9mIDEyNzYgYnl0ZXMgaXMNCj4gbGFyZ2VyIHRoYW4gNTAwIGJ5 dGVzIFstV2ZyYW1lLWxhcmdlci10aGFuPV0NCj4gDQo+IEJ5IHNwbGl0dGluZyBvdXQgdGhlIGxv b3AgYm9keSBpbnRvIGEgbm9uLWlubGluZWQgZnVuY3Rpb24sIHRoZSBzdGFjayBzaXplIGdvZXMN Cj4gYmFjayBkb3duIHRvIHVuZGVyIDUwMCBieXRlcy4NCg0KSSdkIGxvb2sgYXQgdGhlIGdlbmVy YXRlZCBjb2RlIGZvciB0aGUgZnVuY3Rpb24uDQpJdCBtaWdodCBiZSB0cnVseSBob3JyaWQuDQoN Ckkgc3VzcGVjdCB0aGF0IGdjYyBhbGxvY2F0ZXMgJ3ZpcnR1YWwgcmVnaXN0ZXJzJyBmb3IgYWxs IHRoZQ0Kcy0+dHhfLi4uIG1lbWJlcnMgYW5kIHRoZW4gd3JpdGVzIHRoZW0gdG8gJ3MnIG91dHNp ZGUgdGhlIGxvb3AuDQpVbmZvcnR1bmF0ZWx5IHRoZXJlIGFyZW4ndCBlbm91Z2ggcmVhbCByZWdp c3RlcnMgc28gYWxsIHRoZQ0KdmlydHVhbCBvbmVzIGdldCBzcGlsbGVkIHRvIHN0YWNrLg0KDQpJ J3ZlIHNlZW4gaXQgZG8gc29tZXRoaW5nIHNpbWlsYXIgKGV4dHJhIHNwaWxscyB0byBzdGFjaykg aW4gdGhlDQppeGdiZSBieXRlIGFuZCBwYWNrZXQgY291bnRpbmcuDQoNCkkgdGhpbmsgaXQgaXMg cmVhbGx5IGEgZ2NjIGJ1Zy4NCg0KLi4uDQo+ICsJZm9yIChqID0gMDsgaiA8IHByaXYtPm1heF9v cGVuZWRfdGM7IGorKykgew0KPiArCQlzdHJ1Y3QgbWx4NWVfc3Ffc3RhdHMgKnNxX3N0YXRzID0g JmNoYW5uZWxfc3RhdHMtPnNxW2pdOw0KDQpUcnkgYWRkaW5nIGJhcnJpZXIoKSBoZXJlLg0KDQo+ ICsNCj4gKwkJcy0+dHhfcGFja2V0cwkJKz0gc3Ffc3RhdHMtPnBhY2tldHM7DQoNCglEYXZpZA0K DQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFy bSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAo V2FsZXMpDQo=