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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 45227C3A59F for ; Thu, 29 Aug 2019 08:44:50 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EAEA02189D for ; Thu, 29 Aug 2019 08:44:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAEA02189D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46Jx4b5dGSzDqLv for ; Thu, 29 Aug 2019 18:44:47 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46JwyX204qzDqNj for ; Thu, 29 Aug 2019 18:39:32 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id 55B6568BFE; Thu, 29 Aug 2019 10:39:27 +0200 (CEST) Date: Thu, 29 Aug 2019 10:39:27 +0200 From: Christoph Hellwig To: Bharata B Rao Subject: Re: [PATCH v7 4/7] kvmppc: Handle memory plug/unplug to secure VM Message-ID: <20190829083927.GB13039@lst.de> References: <20190822102620.21897-1-bharata@linux.ibm.com> <20190822102620.21897-5-bharata@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190822102620.21897-5-bharata@linux.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxram@us.ibm.com, cclaudio@linux.ibm.com, kvm-ppc@vger.kernel.org, linux-mm@kvack.org, jglisse@redhat.com, aneesh.kumar@linux.vnet.ibm.com, paulus@au1.ibm.com, sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, hch@lst.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, Aug 22, 2019 at 03:56:17PM +0530, Bharata B Rao wrote: > + /* > + * TODO: Handle KVM_MR_MOVE > + */ > + if (change == KVM_MR_CREATE) { > + uv_register_mem_slot(kvm->arch.lpid, > + new->base_gfn << PAGE_SHIFT, > + new->npages * PAGE_SIZE, > + 0, new->id); > + } else if (change == KVM_MR_DELETE) > + uv_unregister_mem_slot(kvm->arch.lpid, old->id); > } In preparation for the KVM_MR_MOVE addition just using a switch statement here from the very beginning might make the code a little nicer to read.