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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 010E0C47258 for ; Wed, 31 Jan 2024 03:40:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rV1Sf-0003TE-5e; Tue, 30 Jan 2024 22:40:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rV1Sd-0003Sr-Lf for qemu-devel@nongnu.org; Tue, 30 Jan 2024 22:40:27 -0500 Received: from mgamail.intel.com ([192.198.163.13]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rV1Sc-0005EA-28 for qemu-devel@nongnu.org; Tue, 30 Jan 2024 22:40:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706672426; x=1738208426; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5BWH/FDpGN4wqK3bRSej8yHnFryVSr/ULTUTxOx275k=; b=iH4HdqcaL2/RK4JNWFhnb3z/3nrYyv2bVqFyQfApjNtkh0WW8EDuql85 pMgBksrImR9s6FPpUyk1TcqUi4vShzFO1PEJx7z3S1YnBfmTSs5Ftseir snvefyb5A/QmE6wo0Pmzx/ZaEa9yI5gf38DP0bWzg9JNr/BmQ1Umm5v/G NUD+vFXObOy+CHdSFkkmErCGTx5ThDrK0PfTmMgMVdxs10r+wCqzwjbee o4ZxeT7bj6HxN2Xu6QDKT4PSKs6zNQ/DggypaSPUof4L1yN5VhfX9oVQB yDz+JWespP2bkpF8Wi906072nll1/a9tGARrvQta3jT1qjgmlR2k8Uqt/ A==; X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="2419900" X-IronPort-AV: E=Sophos;i="6.05,231,1701158400"; d="scan'208";a="2419900" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2024 19:39:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="822421510" X-IronPort-AV: E=Sophos;i="6.05,231,1701158400"; d="scan'208";a="822421510" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.36]) by orsmga001.jf.intel.com with ESMTP; 30 Jan 2024 19:39:53 -0800 Date: Wed, 31 Jan 2024 11:53:23 +0800 From: Zhao Liu To: Peter Maydell Cc: qemu-devel@nongnu.org, "Maciej S. Szmigiero" , Mark Cave-Ayland , "Michael S. Tsirkin" , Marcel Apfelbaum , Halil Pasic , Christian Borntraeger , Eric Farman , Peter Xu , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Subject: Re: [PATCH 2/5] vmbus: Switch bus reset to 3-phase-reset Message-ID: References: <20240119163512.3810301-1-peter.maydell@linaro.org> <20240119163512.3810301-3-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240119163512.3810301-3-peter.maydell@linaro.org> Received-SPF: pass client-ip=192.198.163.13; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.292, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, Jan 19, 2024 at 04:35:09PM +0000, Peter Maydell wrote: > Date: Fri, 19 Jan 2024 16:35:09 +0000 > From: Peter Maydell > Subject: [PATCH 2/5] vmbus: Switch bus reset to 3-phase-reset > X-Mailer: git-send-email 2.34.1 > > Switch vmbus from using BusClass::reset to the Resettable interface. > > This has no behavioural change, because the BusClass code to support > subclasses that use the legacy BusClass::reset will call that method > in the hold phase of 3-phase reset. > > Signed-off-by: Peter Maydell > --- > hw/hyperv/vmbus.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) Reviewed-by: Zhao Liu > > diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c > index c86d1895bae..380239af2c7 100644 > --- a/hw/hyperv/vmbus.c > +++ b/hw/hyperv/vmbus.c > @@ -2453,9 +2453,9 @@ static void vmbus_unrealize(BusState *bus) > qemu_mutex_destroy(&vmbus->rx_queue_lock); > } > > -static void vmbus_reset(BusState *bus) > +static void vmbus_reset_hold(Object *obj) > { > - vmbus_deinit(VMBUS(bus)); > + vmbus_deinit(VMBUS(obj)); > } > > static char *vmbus_get_dev_path(DeviceState *dev) > @@ -2476,12 +2476,13 @@ static char *vmbus_get_fw_dev_path(DeviceState *dev) > static void vmbus_class_init(ObjectClass *klass, void *data) > { > BusClass *k = BUS_CLASS(klass); > + ResettableClass *rc = RESETTABLE_CLASS(klass); > > k->get_dev_path = vmbus_get_dev_path; > k->get_fw_dev_path = vmbus_get_fw_dev_path; > k->realize = vmbus_realize; > k->unrealize = vmbus_unrealize; > - k->reset = vmbus_reset; > + rc->phases.hold = vmbus_reset_hold; > } > > static int vmbus_pre_load(void *opaque) > -- > 2.34.1 > >