From patchwork Mon Mar 23 08:32:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Liang Z" X-Patchwork-Id: 453325 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 1D878140146 for ; Mon, 23 Mar 2015 20:06:46 +1100 (AEDT) Received: from localhost ([::1]:54417 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YZyJn-0000KM-UV for incoming@patchwork.ozlabs.org; Mon, 23 Mar 2015 05:06:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60898) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YZyJ1-00075u-IR for qemu-devel@nongnu.org; Mon, 23 Mar 2015 05:05:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YZyJ0-0001iK-IR for qemu-devel@nongnu.org; Mon, 23 Mar 2015 05:05:55 -0400 Received: from mga11.intel.com ([192.55.52.93]:48565) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YZxvj-0002D9-OA for qemu-devel@nongnu.org; Mon, 23 Mar 2015 04:41:51 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 23 Mar 2015 01:41:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,451,1422950400"; d="scan'208";a="696233885" Received: from lil.sh.intel.com (HELO localhost) ([10.239.159.70]) by fmsmga002.fm.intel.com with ESMTP; 23 Mar 2015 01:41:48 -0700 From: Liang Li To: qemu-devel@nongnu.org Date: Mon, 23 Mar 2015 16:32:21 +0800 Message-Id: <1427099549-10633-7-git-send-email-liang.z.li@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427099549-10633-1-git-send-email-liang.z.li@intel.com> References: <1427099549-10633-1-git-send-email-liang.z.li@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Cc: quintela@redhat.com, Liang Li , dgilbert@redhat.com, lcapitulino@redhat.com, yang.z.zhang@intel.com, quintela@redhate.com, amit.shah@redhat.com Subject: [Qemu-devel] [v6 06/14] arch_init: Add and free data struct for decompression X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Define the data structure and variables used to do multiple thread decompression, and add the code to initialize and free them. Signed-off-by: Liang Li Signed-off-by: Yang Zhang Reviewed-by: Dr.David Alan Gilbert Reviewed-by: Juan Quintela --- arch_init.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch_init.c b/arch_init.c index 87dccef..ebd246f 100644 --- a/arch_init.c +++ b/arch_init.c @@ -330,7 +330,12 @@ struct CompressParam { typedef struct CompressParam CompressParam; struct DecompressParam { - /* To be done */ + bool start; + QemuMutex mutex; + QemuCond cond; + void *des; + uint8 *compbuf; + int len; }; typedef struct DecompressParam DecompressParam; @@ -1266,6 +1271,9 @@ void migrate_decompress_threads_create(void) compressed_data_buf = g_malloc0(compressBound(TARGET_PAGE_SIZE)); quit_decomp_thread = false; for (i = 0; i < thread_count; i++) { + qemu_mutex_init(&decomp_param[i].mutex); + qemu_cond_init(&decomp_param[i].cond); + decomp_param[i].compbuf = g_malloc0(compressBound(TARGET_PAGE_SIZE)); qemu_thread_create(decompress_threads + i, "decompress", do_data_decompress, decomp_param + i, QEMU_THREAD_JOINABLE); @@ -1280,6 +1288,9 @@ void migrate_decompress_threads_join(void) thread_count = migrate_decompress_threads(); for (i = 0; i < thread_count; i++) { qemu_thread_join(decompress_threads + i); + qemu_mutex_destroy(&decomp_param[i].mutex); + qemu_cond_destroy(&decomp_param[i].cond); + g_free(decomp_param[i].compbuf); } g_free(decompress_threads); g_free(decomp_param);