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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 C81D8C56202 for ; Fri, 30 Oct 2020 05:05:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 779CC221FF for ; Fri, 30 Oct 2020 05:05:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726364AbgJ3FFK (ORCPT ); Fri, 30 Oct 2020 01:05:10 -0400 Received: from mga06.intel.com ([134.134.136.31]:5284 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726042AbgJ3FFJ (ORCPT ); Fri, 30 Oct 2020 01:05:09 -0400 IronPort-SDR: HRKAOCkQB0XhU9b6UnZOVSYS/rFK62PwaV5U0QV1Cf8ugPYUm61jebuHELgWraSBfIDzCxYVUd xVfq+yHElVcQ== X-IronPort-AV: E=McAfee;i="6000,8403,9789"; a="230196547" X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="230196547" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2020 22:05:08 -0700 IronPort-SDR: DBvYloqtZm7ZhjV0oDjwAGVxl8PMUs3l2Umcf5zMlwrfkQTu6eWd9tYUYj/E9GzsYU7VVH7G8V uo/wGP6DpSDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="425261534" Received: from allen-box.sh.intel.com ([10.239.159.139]) by fmsmga001.fm.intel.com with ESMTP; 29 Oct 2020 22:05:04 -0700 From: Lu Baolu To: Joerg Roedel , Alex Williamson Cc: Robin Murphy , Jean-Philippe Brucker , Cornelia Huck , Kevin Tian , Ashok Raj , Dave Jiang , Liu Yi L , Zeng Xin , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Lu Baolu Subject: [PATCH v6 1/5] vfio/mdev: Register mdev bus earlier during boot Date: Fri, 30 Oct 2020 12:58:05 +0800 Message-Id: <20201030045809.957927-2-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201030045809.957927-1-baolu.lu@linux.intel.com> References: <20201030045809.957927-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move mdev bus registration earlier than IOMMU probe processing so that the IOMMU drivers could be able to set iommu_ops for the mdev bus. This only applies when vfio-mdev module is setected to be built-in. Signed-off-by: Lu Baolu --- drivers/vfio/mdev/mdev_core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index b558d4cfd082..6b9ab71f89e7 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -417,8 +417,12 @@ static void __exit mdev_exit(void) mdev_bus_unregister(); } +#if IS_BUILTIN(CONFIG_VFIO_MDEV) +postcore_initcall(mdev_init) +#else module_init(mdev_init) module_exit(mdev_exit) +#endif /* IS_BUILTIN(CONFIG_VFIO_MDEV) */ MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL v2"); -- 2.25.1