From patchwork Mon Jul 12 12:40:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 12371011 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 451F4C11F66 for ; Mon, 12 Jul 2021 12:42:50 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E727B6101E for ; Mon, 12 Jul 2021 12:42:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E727B6101E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 173948D0009; Mon, 12 Jul 2021 08:42:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 124358D0001; Mon, 12 Jul 2021 08:42:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB8C18D0009; Mon, 12 Jul 2021 08:42:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0126.hostedemail.com [216.40.44.126]) by kanga.kvack.org (Postfix) with ESMTP id C25458D0001 for ; Mon, 12 Jul 2021 08:42:49 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id DED4C2489B for ; Mon, 12 Jul 2021 12:42:48 +0000 (UTC) X-FDA: 78353900016.18.4D2BA89 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf09.hostedemail.com (Postfix) with ESMTP id 96BE73000100 for ; Mon, 12 Jul 2021 12:42:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626093768; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pXhL//ogQJi+M8+nVdHcrU68d/XzKP3Ysz4l2H7Enzo=; b=EsnOiJlIlzUNM7Kf6oJ9GKG3KesDTiQ7Gwv2d5eTmw6tJWl69TJYxlVvOdPW+0dMPPlK4a 98zEEevcEX0YBglNFkZ8Z9/82+esZByojVfsfDlH2IzormKmnogj268LeaiQ2BmzlW+yos +a8Td0us9nn/EFESAhmQHBYmQatSK7o= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-479-fIG3VmWRMnu31B8obKN8uw-1; Mon, 12 Jul 2021 08:42:46 -0400 X-MC-Unique: fIG3VmWRMnu31B8obKN8uw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4983C804309; Mon, 12 Jul 2021 12:42:41 +0000 (UTC) Received: from t480s.redhat.com (ovpn-113-111.rdu2.redhat.com [10.10.113.111]) by smtp.corp.redhat.com (Postfix) with ESMTP id AEFCA5C232; Mon, 12 Jul 2021 12:42:21 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , Vitaly Kuznetsov , "Michael S. Tsirkin" , Jason Wang , Pankaj Gupta , Wei Yang , Oscar Salvador , Michal Hocko , Dan Williams , Anshuman Khandual , Dave Hansen , Vlastimil Babka , Mike Rapoport , "Rafael J. Wysocki" , Len Brown , Pavel Tatashin , Heiko Carstens , Michael Ellerman , Catalin Marinas , virtualization@lists.linux-foundation.org, linux-acpi@vger.kernel.org, Andy Lutomirski , "Aneesh Kumar K.V" , Anton Blanchard , Ard Biesheuvel , Baoquan He , Benjamin Herrenschmidt , Borislav Petkov , Christian Borntraeger , Christophe Leroy , Dave Jiang , "H. Peter Anvin" , Ingo Molnar , Jia He , Joe Perches , Kefeng Wang , Laurent Dufour , Michel Lespinasse , Nathan Lynch , Nicholas Piggin , Paul Mackerras , Peter Zijlstra , Pierre Morel , "Rafael J. Wysocki" , Rich Felker , Scott Cheloha , Sergei Trofimovich , Thiago Jung Bauermann , Thomas Gleixner , Vasily Gorbik , Vishal Verma , Will Deacon , Yoshinori Sato Subject: [PATCH v1 4/4] ACPI: memhotplug: memory resources cannot be enabled yet Date: Mon, 12 Jul 2021 14:40:52 +0200 Message-Id: <20210712124052.26491-5-david@redhat.com> In-Reply-To: <20210712124052.26491-1-david@redhat.com> References: <20210712124052.26491-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=EsnOiJlI; spf=none (imf09.hostedemail.com: domain of david@redhat.com has no SPF policy when checking 216.205.24.124) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam02 X-Stat-Signature: 5woenp1jfeb9zhnxro9eguxnhcymbahk X-Rspamd-Queue-Id: 96BE73000100 X-HE-Tag: 1626093768-137703 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: We allocate + initialize everything from scratch. In case enabling the device fails, we free all memory resourcs. Acked-by: Rafael J. Wysocki Cc: Len Brown Cc: linux-acpi@vger.kernel.org Signed-off-by: David Hildenbrand --- drivers/acpi/acpi_memhotplug.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 1d01d9414c40..eb4faf7c5cad 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -182,10 +182,6 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) * (i.e. memory-hot-remove function) */ list_for_each_entry(info, &mem_device->res_list, list) { - if (info->enabled) { /* just sanity check...*/ - num_enabled++; - continue; - } /* * If the memory block size is zero, please ignore it. * Don't try to do the following memory hotplug flowchart.