Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp203547ybi; Sat, 29 Jun 2019 08:44:53 -0700 (PDT) X-Google-Smtp-Source: APXvYqy/EmHX0ufAvij2pJWXWjZk+tXdTiaZHHxKQjjPgyf/dnyZ7k+K9Yh9ITVm183+tQHvZz6B X-Received: by 2002:a17:90a:bd8c:: with SMTP id z12mr20148087pjr.60.1561823093028; Sat, 29 Jun 2019 08:44:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561823093; cv=none; d=google.com; s=arc-20160816; b=0lecv9veNv8CWnS9QgQLcupP19Ry0TzfdlNMmledMmFfDgRsvdH8aNweRPzh/t/14o V5Udn/VmEu0St0neUoCUZHczcmXY94ewU54fo/Jta8YLdzpolFfOvSmlMZk3zJ6fsJZ+ MRAH9CDVvhKs2MpoSVLd94pMhd9tc5aFjFjujHEniJ8e2e63F3S+dbVtf53AX40U3LKE tJlIzT6Jb4QdqZvWeJtEdBw+bgqNVf4AOHjb37ISmUl5jb8dXcgyXRcw8LbdjRhH8VDa OZlIT87SUkiGeky3qwp+j8UUBHplO3LLUfRACXzutAIFeZTzQGDtE/JNNzPYLJz5nOcE TomA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:dkim-signature; bh=YhneT2OmUYYi9QQ0MWtStUhcK32OoDHrBHLq0QqvII0=; b=WvpBSLnGsWcnnmXhTDVKf9+5MKuhy+owye2rnl1Tm4tcoOewbXauAs/vpDlJKWX80f NX210tbwzlqd8hahl0VJZ5tx6M1LRInCcNXs4S92pH/2zNZuSEfEuOuv0XyP7eKaVfDy dPcBWGrUkivwI5I4lR/5u+8mNhLGiemdHioaocLzPWfV63BJ2bn1PMPgYgyA9wXkwEO1 O9U2lyAYY8c3+xonx5C7iSAyiKV80Wvc7l7aWockObD4nPaJF31himxqWlsAqKi2hLcC vlMj/frvoYTU0Q+cPLN38DoPT4nCBvX+Jrp/+WvoALHgIDPq9xd/T7lxd0DZD4/xl1sl W2xw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=rwGI7emU; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d12si5290762pla.121.2019.06.29.08.44.37; Sat, 29 Jun 2019 08:44:53 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=rwGI7emU; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726965AbfF2Pnj (ORCPT + 99 others); Sat, 29 Jun 2019 11:43:39 -0400 Received: from mail-io1-f66.google.com ([209.85.166.66]:41307 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726957AbfF2Pni (ORCPT ); Sat, 29 Jun 2019 11:43:38 -0400 Received: by mail-io1-f66.google.com with SMTP id w25so19019695ioc.8 for ; Sat, 29 Jun 2019 08:43:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=YhneT2OmUYYi9QQ0MWtStUhcK32OoDHrBHLq0QqvII0=; b=rwGI7emUVEde+z71xN+kUWMitMm9xwN3fnnBOK2l281KSK3O0kZXQksInCuNFCOODP cc1cXOte3/8k8yAIUoSeRK8SaEU2N4uRKnNE1LQL0XdNbrTHvTqfrwVzKpSesFsBS//a H3jMmsd+RrSyMjiNF7PO5CcQQ/R6W6iCpApsnK4W3jV4IgZsNsz1F4IbpplnEMeneE+G 1HoAWRrwgyAusGxYJB36LE6qpklmDok0yYUyNNVRdcNU9yB7bbUQmKnrdZk4cjfR/47p O102SHO07b+K3XY82F6G8xbcA6jeGqpADp27xGZjNLJQe6B9Mex7cfackxCL8E+Sztc+ zlGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=YhneT2OmUYYi9QQ0MWtStUhcK32OoDHrBHLq0QqvII0=; b=QiQVUYSVJDys/bWevOQY33uG2sEo25k33u9H9K/1LJYIT7IV2KbiOohKSpKXqXah4o 8UHGgWzueYcH/dB6W9EQHMkrhjNCf9fctPZbmkWjkwn+bQUHKdCusAQpnF8df4u7P3U+ moKSvnzTIKKmSUqe5jLGHwT6DzGAQjHTo+n7Mz3/WCr4oA6n7cQfn07R+PMU+04+zZpf i3QN4iQK1xjW/k2OJZwwQXuu/0CXgmBA1IVl0Ef+m9liVdRTj/5QoB5fv+r5xxkdgF2a tieG53fBDlj4331wFc99w5IpFsMfgbZjtQuU2e6KK8WCvH3mV9l/1uwGNgoaYifR07le Bj9A== X-Gm-Message-State: APjAAAUYm5sXL/Lpu9RQ5kIjCpNYh0UfBGTq0UMbhK1pWOndKnJKjYy6 qGTF0J5Kpiu16LOekjNfXRejoEhLhtudyw== X-Received: by 2002:a02:7c2:: with SMTP id f185mr18395500jaf.16.1561823017689; Sat, 29 Jun 2019 08:43:37 -0700 (PDT) Received: from [192.168.1.158] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id f17sm5128371ioc.2.2019.06.29.08.43.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 29 Jun 2019 08:43:36 -0700 (PDT) Subject: Re: [PATCH 10/87] block: skd_main.c: Remove call to memset after dma_alloc_coherent To: Fuqian Huang Cc: Damien Le Moal , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190627173516.2351-1-huangfq.daxian@gmail.com> From: Jens Axboe Message-ID: Date: Sat, 29 Jun 2019 09:43:36 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: <20190627173516.2351-1-huangfq.daxian@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/27/19 11:35 AM, Fuqian Huang wrote: > In commit af7ddd8a627c > ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), > dma_alloc_coherent has already zeroed the memory. > So memset is not needed. Applied, thanks. -- Jens Axboe