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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23D80C433F5 for ; Mon, 4 Apr 2022 08:51:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242703AbiDDIw7 (ORCPT ); Mon, 4 Apr 2022 04:52:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240553AbiDDIw6 (ORCPT ); Mon, 4 Apr 2022 04:52:58 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8165F1E3D2 for ; Mon, 4 Apr 2022 01:51:01 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-235-1Y4JqQ3oPCehEbsc0F2AAw-1; Mon, 04 Apr 2022 09:50:58 +0100 X-MC-Unique: 1Y4JqQ3oPCehEbsc0F2AAw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Mon, 4 Apr 2022 09:50:56 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.033; Mon, 4 Apr 2022 09:50:56 +0100 From: David Laight To: 'Pavel Skripkin' , Michael Straube , "Fabio M. De Francesco" CC: Greg KH , Larry Finger , Phillip Potter , "open list:STAGING SUBSYSTEM" , "Linux Kernel Mailing List" Subject: RE: staging: r8188eu: how to handle nested mutex under spinlock Thread-Topic: staging: r8188eu: how to handle nested mutex under spinlock Thread-Index: AQHYR5/sp6xWhoDQCkym8rTDVxAmY6zfcjRQ Date: Mon, 4 Apr 2022 08:50:56 +0000 Message-ID: <4ef1e90716e64fd78ebbc222bbb7e597@AcuMS.aculab.com> References: <356c24cf-625b-eea2-2c04-ce132d881cac@gmail.com> <4412825.cEBGB3zze1@leap> <26ac4c2d-91cf-656d-2b7e-21a95e500e70@gmail.com> <2029549.KlZ2vcFHjT@leap> <7d3d23c3-1839-3e6a-27bf-85bad384e5e4@gmail.com> <942c0fbd-f8b2-4cae-dd21-79bc55c54902@gmail.com> <26a91705-f721-03d1-f4c8-7f00ce0e65a8@gmail.com> In-Reply-To: <26a91705-f721-03d1-f4c8-7f00ce0e65a8@gmail.com> Accept-Language: en-GB, 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogUGF2ZWwgU2tyaXBraW4NCj4gU2VudDogMDMgQXByaWwgMjAyMiAyMjoxNQ0KPiANCj4g SGkgTWljaGFlbCwNCj4gDQo+IE9uIDQvMy8yMiAyMzo1MSwgTWljaGFlbCBTdHJhdWJlIHdyb3Rl Og0KPiA+Pg0KPiA+PiBJTU8sIHRoZSBiZXN0IGFuc3dlciBpcyBqdXN0IHJlbW92ZSB0aGlzIGxv b3AsIHNpbmNlIGl0IGRvZXMgbm90aGluZy4gT3INCj4gPj4gcmVkZXNpZ24gaXQgdG8gYmUgbW9y ZSBzYW5lDQo+ID4+DQo+ID4+IEl0IHdhaXRzIGZvciBwc19wcm9jZXNzaW5nIHRvIGJlY29tZSAw IGZvciAzMDAwIG1zLCBidXQgaWYgMzAwMCBtcw0KPiA+PiBleHBpcmVzLi4uIGV4ZWN1dGlvbiBn b2VzIGZvcndhcmQgbGlrZSBhcyBwc19wcm9jZXNzaW5nIHdhcyAwIGZyb20gdGhlDQo+ID4+IGJl Z2lubmluZw0KPiA+Pg0KPiA+PiBNYXliZSBpdCdzIHNvbWV0aGluZyBodyByZWxhdGVkLCBsaWtl IHdhaXQgZm9yIDMwMDAgbXMgYW5kIGFsbCB3aWxsIGJlDQo+ID4+IG9rLiBDYW4ndCBzYXkuLi4N Cj4gPj4NCj4gPg0KPiA+IEhpIFBhdmVsLA0KPiA+DQo+ID4gc2FtZSB3aXRoIHRoZSBsb29wIHRo YXQgZm9sbG93czoNCj4gPg0KPiA+IAkvKiBTeXN0ZW0gc3VzcGVuZCBpcyBub3QgYWxsb3dlZCB0 byB3YWtldXAgKi8NCj4gPiAJaWYgKHB3cnByaXYtPmJJblN1c3BlbmQpIHsNCj4gDQo+IAkgICBe Xl5eDQo+IA0KPiBidHcsIHRoaXMgcGFydCBpcyB1c2VsZXNzIHRvDQo+IA0KPiANCj4gPiAJCXdo aWxlIChwd3Jwcml2LT5iSW5TdXNwZW5kICYmDQo+IA0KPiBJJ3ZlIGxvb2tlZCBpbnRvIHdoYXQg Z2NjMTEgcHJvZHVjZWQgZnJvbSB0aGlzIGZ1bmN0aW9uIGFuZCBsb29rcyBsaWtlDQo+IG15IGNv bXBpbGVyIGlzIHNtYXJ0IGVub3VnaCB0byBub3QgY2FjaGUgdGhhdCB2YWx1ZSwgYnV0IEkgYW0g YWZyYWlkIG5vdA0KPiBhbGwgY29tcGlsZXJzIGFyZSB0aGF0IHNtYXJ0Lg0KDQpUaGUgY29tcGls ZXIgY2FuJ3QgY2FjaGUgdGhlIHZhbHVlIGJlY2F1c2Ugb2YgdGhlIGZ1bmN0aW9uIGNhbGwuDQoN ClF1aXRlIHdoZXRoZXIgdGhlIGNvZGUgaXMgaW4gYW55IHdheSBzYW5lIGluIGFub3RoZXIgbWF0 dGVyLg0KDQpZb3UgZGVmaW5pdGVseSBjYW5ub3Qgc2xlZXAgd2l0aCBhIHNwaW5sb2NrIGhlbGQu DQpJbWFnaW5lIHdoYXQgaGFwcGVucyBpZiBhbm90aGVyIHByb2Nlc3MgdHJpZXMgdG8gYWNxdWly ZSB0aGUNCnNwaW5sb2NrIHdoaWxlIHlvdSBhcmUgc2xlZXBpbmcuDQpJdCB3aWxsIHNwaW4gZm9y ZXZlci4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxl eSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0 aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==