Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp105500pxb; Fri, 15 Jan 2021 08:34:59 -0800 (PST) X-Google-Smtp-Source: ABdhPJxhxkNG0zA1DDVbgqlZkVB/trduYd+z3kF55XnshIbgzl/Kekrig3KKKFlMDSlEi9gb6+Th X-Received: by 2002:aa7:cd15:: with SMTP id b21mr10443682edw.114.1610728499092; Fri, 15 Jan 2021 08:34:59 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610728499; cv=none; d=google.com; s=arc-20160816; b=otlpdvj2p+u4JTzlniFvkvztK7WVZo4TQH6huEasgj9vIf+oaO22VFkbD5SvMTv8vI q5r+jJrHdAPZ4b1fSGM+WOP6tKyOSqH3nAsUqcteRmbHmhVZ1XlkCCB2rPJI0y0XTPwv GTfKfQDd7tZwQoQePoOA+Ks3jY8vWdTjiav2d4kMdOBYOMSBPfTVXpGweMXk0eL7I9fg aqj+Mx/N/P2HMSrRRVIx7k0aUs125KgHLQ1qYCxyQ0gGH3iFyJ2BjOQegM0hRV1zgIOT vsTOX4KMxjiGna//C5kLuU1lq2q0DIDFSzVBjYuxMsdaNooGh16I8TF/p1wmIJOhpYJZ ajKA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=uQ/4HCnhLpreA1tk4Xhmx0/7YvSqqPQi5lRjG3O6Dn4=; b=J5dnWBoRNlqWdqL4vChbYEQ8f941wO6VAe4eVhl+VcDDd9vY0bCqzFWlSGljElE/Tv tU6wDtWw+Mr23Ukbpz78ueeNLZ0SbkvgAiGoD+4/VYzuoDO5oaCVi3Oly0K5+078oUJu N/xly8DotL6BEVP2X/Xv26VUhdg/oIDC//Ds3Rlf6gExdiEfU3D54wDBVXxpYys263q7 WEVCA5CsQBWapr1nPbG5rycrWpD4ucQKHRwuWXzxxAV0nNm5X8uWjKQ9Q3FTif69v0mE HGsJ7Fp6rZZ6s7e3FRw3uZ4k6aYogaHe4mBRnD/T+MZOmeeaZCzmITrdgFx5Eqdm9+1u T3Zg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w11si4102458ejc.533.2021.01.15.08.34.35; Fri, 15 Jan 2021 08:34:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732602AbhAOQbq (ORCPT + 99 others); Fri, 15 Jan 2021 11:31:46 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:2359 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730569AbhAOQbp (ORCPT ); Fri, 15 Jan 2021 11:31:45 -0500 Received: from fraeml711-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4DHRPS6fcfz67cP6; Sat, 16 Jan 2021 00:25:48 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml711-chm.china.huawei.com (10.206.15.60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Fri, 15 Jan 2021 17:31:03 +0100 Received: from [10.47.4.21] (10.47.4.21) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2106.2; Fri, 15 Jan 2021 16:31:02 +0000 Subject: Re: [PATCH v2 00/19] scsi: libsas: Remove in_interrupt() check To: "Ahmed S. Darwish" CC: "James E.J. Bottomley" , "Martin K. Petersen" , Jason Yan , Daniel Wagner , Artur Paszkiewicz , Jack Wang , , LKML , Thomas Gleixner , "Sebastian A. Siewior" References: <20210112110647.627783-1-a.darwish@linutronix.de> <8683f401-29b6-4067-af51-7b518ad3a10f@huawei.com> <20e1034c-98af-a000-65ed-ae5f0e7a758f@huawei.com> From: John Garry Message-ID: <869c00f4-a9a6-e124-3104-906957754dc5@huawei.com> Date: Fri, 15 Jan 2021 16:29:51 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.4.21] X-ClientProxiedBy: lhreml708-chm.china.huawei.com (10.201.108.57) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15/01/2021 16:27, Ahmed S. Darwish wrote: > Thanks! > > Shall I add you r-b tag to the whole series then, or only to the ones > which directly touch libsas (#3, #12, #16, and #19)? The whole series, if you like. But there was a nit about fitting some code on a single line still, and I think Christoph also had some issue on that related topic. > >> As an aside, your analysis showed some quite poor usage of spinlocks in some >> drivers, specifically grabbing a lock and then calling into a depth of 3 or >> 4 functions. >> > Correct. BTW, testing report looked all good. Thanks, john