From patchwork Tue Jan 31 16:58:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Sistare X-Patchwork-Id: 13123181 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E4D9C38142 for ; Tue, 31 Jan 2023 16:58:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231712AbjAaQ6a (ORCPT ); Tue, 31 Jan 2023 11:58:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231685AbjAaQ6V (ORCPT ); Tue, 31 Jan 2023 11:58:21 -0500 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 375563C12 for ; Tue, 31 Jan 2023 08:58:18 -0800 (PST) Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30VEE3vK000924; Tue, 31 Jan 2023 16:58:14 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2022-7-12; bh=9gXkoxbUTLi7u9XG7qSt5aY4ptTjF+ntOm7D2cLXhDc=; b=qWXzz23BT/Wtwq4yj/ojGinPkLa/7kJA/IvJPI9fo9PMUvgNdFh/TKr4kAYR/wKldlQ3 EIa5G4ZOhoJhBRwfkYf2iE4EdTzRpnl91xMlqL2h8biPWISfnGMFBr496CJA/MPRLrWM T+3WehDargFfgg8K8NNKPsW6db0pgg0e9sOqiyhZlyj/+EzejGgpW1UZgSIJSC2jHsn5 Id4R0JwpIdkHyXFtgzcnxfu29//DnB8ULd9EBhaLIqMg2XiZOh9Aa3EK5KLvJkoV5Qni lJAbsnOR6RDxKCe+2Wt3Mo0YUjdq6eVGoy5sTDDU+rnI14b16DHMMadZZh0WOtslRjoZ yA== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3ncvp165ab-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 31 Jan 2023 16:58:13 +0000 Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 30VGXJlZ025502; Tue, 31 Jan 2023 16:58:13 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3nct566vcf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 31 Jan 2023 16:58:13 +0000 Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 30VGw98t002013; Tue, 31 Jan 2023 16:58:12 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3nct566v9x-7; Tue, 31 Jan 2023 16:58:12 +0000 From: Steve Sistare To: kvm@vger.kernel.org Cc: Alex Williamson , Cornelia Huck , Jason Gunthorpe , Kevin Tian , Steve Sistare Subject: [PATCH V8 6/7] vfio/type1: revert "implement notify callback" Date: Tue, 31 Jan 2023 08:58:08 -0800 Message-Id: <1675184289-267876-7-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1675184289-267876-1-git-send-email-steven.sistare@oracle.com> References: <1675184289-267876-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-31_08,2023-01-31_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 suspectscore=0 mlxscore=0 spamscore=0 phishscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301310150 X-Proofpoint-GUID: bR5gvmd8RPi2T-kcp22tiOjsLMiDklr8 X-Proofpoint-ORIG-GUID: bR5gvmd8RPi2T-kcp22tiOjsLMiDklr8 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This is dead code. Revert it. commit 487ace134053 ("vfio/type1: implement notify callback") Signed-off-by: Steve Sistare Reviewed-by: Kevin Tian --- drivers/vfio/vfio_iommu_type1.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index be1dcad..c845ee5 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -75,7 +75,6 @@ struct vfio_iommu { bool v2; bool nesting; bool dirty_page_tracking; - bool container_open; struct list_head emulated_iommu_groups; }; @@ -2571,7 +2570,6 @@ static void *vfio_iommu_type1_open(unsigned long arg) INIT_LIST_HEAD(&iommu->iova_list); iommu->dma_list = RB_ROOT; iommu->dma_avail = dma_entry_limit; - iommu->container_open = true; mutex_init(&iommu->lock); mutex_init(&iommu->device_list_lock); INIT_LIST_HEAD(&iommu->device_list); @@ -3175,18 +3173,6 @@ static int vfio_iommu_type1_dma_rw(void *iommu_data, dma_addr_t user_iova, return domain; } -static void vfio_iommu_type1_notify(void *iommu_data, - enum vfio_iommu_notify_type event) -{ - struct vfio_iommu *iommu = iommu_data; - - if (event != VFIO_IOMMU_CONTAINER_CLOSE) - return; - mutex_lock(&iommu->lock); - iommu->container_open = false; - mutex_unlock(&iommu->lock); -} - static const struct vfio_iommu_driver_ops vfio_iommu_driver_ops_type1 = { .name = "vfio-iommu-type1", .owner = THIS_MODULE, @@ -3201,7 +3187,6 @@ static void vfio_iommu_type1_notify(void *iommu_data, .unregister_device = vfio_iommu_type1_unregister_device, .dma_rw = vfio_iommu_type1_dma_rw, .group_iommu_domain = vfio_iommu_type1_group_iommu_domain, - .notify = vfio_iommu_type1_notify, }; static int __init vfio_iommu_type1_init(void)