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=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 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 7743CC47083 for ; Thu, 3 Jun 2021 02:54:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60A51613EE for ; Thu, 3 Jun 2021 02:54:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229794AbhFCC4N (ORCPT ); Wed, 2 Jun 2021 22:56:13 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:54171 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229541AbhFCC4N (ORCPT ); Wed, 2 Jun 2021 22:56:13 -0400 X-UUID: 05c7891aec4c4d7c963a539b75deee66-20210603 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=T1f3ciz9FJ4+c/XRklk7ljIC8zMrcEktrNSPUm0vuD8=; b=PIDq4YzCmHMgZC8LQ2xeznDU81jF9iTSuYwjaUGtzWj3LKC+sEq717XiH92YKAcI5IxcRBiKAdEDMvya3DqmMeFC8IpEm1kV5dDGy5olQPGaYg3LDPt/xZacc23A5e/ZLSBER6+rwg6ACd6vVY1bblILovg7yOE5n9ZHp0dGyN8=; X-UUID: 05c7891aec4c4d7c963a539b75deee66-20210603 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 869516845; Thu, 03 Jun 2021 10:54:26 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 3 Jun 2021 10:54:25 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 3 Jun 2021 10:54:25 +0800 Message-ID: <1622688865.7096.6.camel@mtkswgap22> Subject: Re: [PATCH v1 2/3] scsi: ufs: Optimize host lock on transfer requests send/compl paths From: Stanley Chu To: Can Guo CC: , , , , , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Matthias Brugger , Bean Huo , Jaegeuk Kim , "Adrian Hunter" , Kiwoong Kim , Satya Tangirala , open list , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Date: Thu, 3 Jun 2021 10:54:25 +0800 In-Reply-To: <1621845419-14194-3-git-send-email-cang@codeaurora.org> References: <1621845419-14194-1-git-send-email-cang@codeaurora.org> <1621845419-14194-3-git-send-email-cang@codeaurora.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org SGkgQ2FuLA0KDQpPbiBNb24sIDIwMjEtMDUtMjQgYXQgMDE6MzYgLTA3MDAsIENhbiBHdW8gd3Jv dGU6DQo+IEN1cnJlbnQgVUZTIElSUSBoYW5kbGVyIGlzIGNvbXBsZXRlbHkgd3JhcHBlZCBieSBo b3N0IGxvY2ssIGFuZCBiZWNhdXNlDQo+IHVmc2hjZF9zZW5kX2NvbW1hbmQoKSBpcyBhbHNvIHBy b3RlY3RlZCBieSBob3N0IGxvY2ssIHdoZW4gSVJRIGhhbmRsZXINCj4gZmlyZXMsIG5vdCBvbmx5 IHRoZSBDUFUgcnVubmluZyB0aGUgSVJRIGhhbmRsZXIgY2Fubm90IHNlbmQgbmV3IHJlcXVlc3Rz LA0KPiB0aGUgcmVzdCBDUFVzIGNhbiBuZWl0aGVyLiBNb3ZlIHRoZSBob3N0IGxvY2sgd3JhcHBp bmcgdGhlIElSUSBoYW5kbGVyIGludG8NCj4gc3BlY2lmaWMgYnJhbmNoZXMsIGkuZS4sIHVmc2hj ZF91aWNfY21kX2NvbXBsKCksIHVmc2hjZF9jaGVja19lcnJvcnMoKSwNCj4gdWZzaGNkX3RtY19o YW5kbGVyKCkgYW5kIHVmc2hjZF90cmFuc2Zlcl9yZXFfY29tcGwoKS4gTWVhbndoaWxlLCB0byBm dXJ0aGVyDQo+IHJlZHVjZSBvY2NwdWF0aW9uIG9mIGhvc3QgbG9jayBpbiB1ZnNoY2RfdHJhbnNm ZXJfcmVxX2NvbXBsKCksIGhvc3QgbG9jayBpcw0KPiBubyBsb25nZXIgcmVxdWlyZWQgdG8gY2Fs bCBfX3Vmc2hjZF90cmFuc2Zlcl9yZXFfY29tcGwoKS4gQXMgcGVyIHRlc3QsIHRoZQ0KPiBvcHRp bWl6YXRpb24gY2FuIGJyaW5nIGNvbnNpZGVyYWJsZSBnYWluIHRvIHJhbmRvbSByZWFkL3dyaXRl IHBlcmZvcm1hbmNlLg0KPiANCj4gQ2M6IFN0YW5sZXkgQ2h1IDxzdGFubGV5LmNodUBtZWRpYXRl ay5jb20+DQo+IENvLWRldmVsb3BlZC1ieTogQXN1dG9zaCBEYXMgPGFzdXRvc2hkQGNvZGVhdXJv cmEub3JnPg0KPiBTaWduZWQtb2ZmLWJ5OiBBc3V0b3NoIERhcyA8YXN1dG9zaGRAY29kZWF1cm9y YS5vcmc+DQo+IFNpZ25lZC1vZmYtYnk6IENhbiBHdW8gPGNhbmdAY29kZWF1cm9yYS5vcmc+DQoN CkFjY29yZGluZyB0byBteSB0ZXN0LCB0aGUgcGVyZm9ybWFuY2UgaW5kZWVkIGhhcyBpbXByZXNz aXZlIGltcHJvdmVtZW50DQp3aXRoIHRoaXMgc2VyaWVzIQ0KDQpSZXZpZXdlZC1ieTogU3Rhbmxl eSBDaHUgPHN0YW5sZXkuY2h1QG1lZGlhdGVrLmNvbT4NCg0KDQoNCg0KPiAgI2VuZGlmDQo+ICAN Cj4gIAlib29sIHJlcV9hYm9ydF9za2lwOw0KPiAtCWJvb2wgaW5fdXNlOw0KPiAgfTsNCj4gIA0K PiAgLyoqDQoNCg==