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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 DBF74C04AB6 for ; Tue, 14 May 2019 09:57:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B6CF320818 for ; Tue, 14 May 2019 09:57:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726422AbfENJ5X (ORCPT ); Tue, 14 May 2019 05:57:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43628 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725916AbfENJ5W (ORCPT ); Tue, 14 May 2019 05:57:22 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 19F27306E171; Tue, 14 May 2019 09:57:22 +0000 (UTC) Received: from [10.36.117.118] (ovpn-117-118.ams2.redhat.com [10.36.117.118]) by smtp.corp.redhat.com (Postfix) with ESMTP id D318E61995; Tue, 14 May 2019 09:57:05 +0000 (UTC) Subject: Re: [PATCH v8 2/6] virtio-pmem: Add virtio pmem driver To: Pankaj Gupta Cc: linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-acpi@vger.kernel.org, qemu-devel@nongnu.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, dan j williams , zwisler@kernel.org, vishal l verma , dave jiang , mst@redhat.com, jasowang@redhat.com, willy@infradead.org, rjw@rjwysocki.net, hch@infradead.org, lenb@kernel.org, jack@suse.cz, tytso@mit.edu, adilger kernel , darrick wong , lcapitulino@redhat.com, kwolf@redhat.com, imammedo@redhat.com, jmoyer@redhat.com, nilal@redhat.com, riel@surriel.com, stefanha@redhat.com, aarcange@redhat.com, david@fromorbit.com, cohuck@redhat.com, xiaoguangrong eric , pbonzini@redhat.com, kilobyte@angband.pl, yuval shaia , jstaron@google.com References: <20190510155202.14737-1-pagupta@redhat.com> <20190510155202.14737-3-pagupta@redhat.com> <752392764.28554139.1557826022323.JavaMail.zimbra@redhat.com> <86298c2c-cc7c-5b97-0f11-335d7da8c450@redhat.com> <712871093.28555872.1557827242385.JavaMail.zimbra@redhat.com> From: David Hildenbrand Openpgp: preference=signencrypt Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <712871093.28555872.1557827242385.JavaMail.zimbra@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Tue, 14 May 2019 09:57:22 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> >> I think you should do the same here, vdev->priv is allocated in >> virtio_pmem_probe. >> >> But maybe I am missing something important here :) > > Because virtio_balloon use "kzalloc" for allocation and needs to be freed. > But virtio pmem uses "devm_kzalloc" which takes care of automatically deleting > the device memory when associated device is detached. Hehe, thanks, that was the part that I was missing! -- Thanks, David / dhildenb