From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54121) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xecvh-0001Fs-FP for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xecvc-0002M6-SO for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:49 -0400 Received: from [59.151.112.132] (port=45238 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xecvc-0002Lq-Ci for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:44 -0400 From: Tang Chen Date: Thu, 16 Oct 2014 12:44:23 +0800 Message-ID: <1413434666-22732-10-git-send-email-tangchen@cn.fujitsu.com> In-Reply-To: <1413434666-22732-1-git-send-email-tangchen@cn.fujitsu.com> References: <1413434666-22732-1-git-send-email-tangchen@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v4 09/12] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, imammedo@redhat.com, mst@redhat.com, pbonzini@redhat.com Cc: hutao@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, zhugh.fnst@cn.fujitsu.com, tangchen@cn.fujitsu.com From: Hu Tao Implement unrealize function for pc-dimm device. It remove subregion from hotplug region, and delete ram address range from guest ram list. Signed-off-by: Hu Tao Signed-off-by: Tang Chen --- hw/mem/pc-dimm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index ee802bb..b105871 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -270,12 +270,22 @@ static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm) return host_memory_backend_get_memory(dimm->hostmem, &error_abort); } +static void pc_dimm_unrealize(DeviceState *dev, Error **errp) +{ + PCDIMMDevice *dimm = PC_DIMM(dev); + MemoryRegion *mr = pc_dimm_get_memory_region(dimm); + + memory_region_del_subregion(mr->container, mr); + vmstate_unregister_ram(mr, dev); +} + static void pc_dimm_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); PCDIMMDeviceClass *ddc = PC_DIMM_CLASS(oc); dc->realize = pc_dimm_realize; + dc->unrealize = pc_dimm_unrealize; dc->props = pc_dimm_properties; ddc->get_memory_region = pc_dimm_get_memory_region; -- 1.8.4.2