From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH v4 1/3] nvdimm acpi: introduce fit buffer Date: Thu, 3 Nov 2016 17:58:46 +0800 Message-ID: <924ef0bb-b320-a05c-486d-d2c281fa34fe@linux.intel.com> References: <1478145090-11987-1-git-send-email-guangrong.xiao@linux.intel.com> <1478145090-11987-2-git-send-email-guangrong.xiao@linux.intel.com> <20161103100015.GB5154@stefanha-x1.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: pbonzini@redhat.com, imammedo@redhat.com, gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org To: Stefan Hajnoczi Return-path: Received: from mga04.intel.com ([192.55.52.120]:60714 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750756AbcKCKHi (ORCPT ); Thu, 3 Nov 2016 06:07:38 -0400 In-Reply-To: <20161103100015.GB5154@stefanha-x1.localdomain> Sender: kvm-owner@vger.kernel.org List-ID: On 11/03/2016 06:00 PM, Stefan Hajnoczi wrote: > On Thu, Nov 03, 2016 at 11:51:28AM +0800, Xiao Guangrong wrote: >> +static void nvdimm_init_fit_buffer(NvdimmFitBuffer *fit_buf) >> +{ >> + fit_buf->fit = g_array_new(false, true /* clear */, 1); >> +} >> + >> +static void nvdimm_build_fit_buffer(NvdimmFitBuffer *fit_buf) >> +{ >> + g_array_free(fit_buf->fit, true); >> + fit_buf->fit = nvdimm_build_device_structure(); > > In the previous revision I pointed out that it's messy to inline > g_array_new(false, true /* clear */, 1) in nvdimm_init_fit_buffer() when > the data structure is normally created by > nvdimm_build_device_structure(). You didn't respond. > Oh, sorry for that. > Is it possible to call nvdimm_build_device_structure() in > nvdimm_init_fit_buffer() so we don't need to duplicate the details of > how the GArray is created? > Actually, i tried your suggestion however i noticed it makes the code little confuse, as we construct the fit by calling nvdimm_build_device_structure() whose name shows the fit will be rebuild but do not set .dirty in the init path. g_array_new(false, true /* clear */, 1) is a more clear way to show this is just a empty array.