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 8605FEB64DD for ; Wed, 9 Aug 2023 08:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231709AbjHIIYY (ORCPT ); Wed, 9 Aug 2023 04:24:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229541AbjHIIYX (ORCPT ); Wed, 9 Aug 2023 04:24:23 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D7A199 for ; Wed, 9 Aug 2023 01:24:22 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-258-oV41YQSUPSmBcZSspKOtjg-1; Wed, 09 Aug 2023 09:23:49 +0100 X-MC-Unique: oV41YQSUPSmBcZSspKOtjg-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Wed, 9 Aug 2023 09:23:46 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Wed, 9 Aug 2023 09:23:46 +0100 From: David Laight To: "'Martin K. Petersen'" , Ranjan Kumar CC: "linux-scsi@vger.kernel.org" , "sathya.prakash@broadcom.com" , "sreekanth.reddy@broadcom.com" , "stable@vger.kernel.org" Subject: RE: [PATCH v3 1/2] Perform additional retries if Doorbell read returns 0 Thread-Topic: [PATCH v3 1/2] Perform additional retries if Doorbell read returns 0 Thread-Index: AQHZymB3zD70idl4qkOVizLGETk6/K/hn8Ag Date: Wed, 9 Aug 2023 08:23:46 +0000 Message-ID: References: <20230726112527.14987-1-ranjan.kumar@broadcom.com> <20230726112527.14987-2-ranjan.kumar@broadcom.com> In-Reply-To: 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 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-scsi@vger.kernel.org RnJvbTogTWFydGluIEsuIFBldGVyc2VuDQo+IFNlbnQ6IDA5IEF1Z3VzdCAyMDIzIDAyOjI2DQo+ IA0KPiANCj4gSGkgUmFuamFuLA0KPiANCj4gPiBCdXQgZm9yIGZldyByZWdpc3RlcnMgemVybyBt YXkgYmUgYSB2YWxpZCB2YWx1ZSBhbmQgd2UgZG9u4oCZdCB3YW50DQo+ID4gdGhvc2UgcmVnaXN0 ZXJzIHRvIGdldCBwZW5hbGl6ZWQgd2l0aCAzMCByZWFkIHJldHJpZXMgd2hlcmUgMS8zIHJlYWRz DQo+ID4gd291bGQgaGF2ZSBzdWZmaWNlZC4NCj4gDQo+IElmIDAgaXMgYSB2YWxpZCByZWdpc3Rl ciB2YWx1ZSB5b3UnbGwgZW5kIHVwIGFsd2F5cyBkb2luZyAzIHJldHJpZXMNCj4gYmVmb3JlIHJl dHVybmluZy4gRXZlbiBpZiB0aGUgZmlyc3QgcmVnaXN0ZXIgcmVhZHMgd2VyZSAic3VjY2Vzc2Z1 bCIuDQo+IFBlY3VsaWFyIQ0KDQpMb29rcyBsaWtlIHRoZSBjb3JyZWN0IHNvbHV0aW9uIGlzIHRv IGNvbXBsZXRlbHkgZGlzYWJsZSB0aGUgQk1DLg0KSXQgY2xlYXJseSBpc24ndCBjb21wYXRpYmxl IHdpdGggdXNpbmcgdGhlIGRyaXZlciBhcyB3ZWxsLg0KDQpJZiB0aGF0IGlzbid0IHBvc3NpYmxl IGlzIHNlZW1zIGl0IG5lZWRzIHRvIGJlIG1hcmtlZCBCUk9LRU4gOi0pDQoNCk11Y2ggbGlrZSB0 aGUgbWFpbiBldGhlcm5ldCBpbnRlcmZhY2Ugb24gbXkgSXZ5IGJyaWRnZSBpNy4NCg0KCURhdmlk DQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBG YXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2 IChXYWxlcykNCg==