From patchwork Fri Jan 6 16:42:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 13091568 X-Patchwork-Delegate: johannes@sipsolutions.net 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 02210C3DA7A for ; Fri, 6 Jan 2023 16:44:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236577AbjAFQoc (ORCPT ); Fri, 6 Jan 2023 11:44:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230325AbjAFQn3 (ORCPT ); Fri, 6 Jan 2023 11:43:29 -0500 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2040.outbound.protection.outlook.com [40.107.236.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB0A47CDD1; Fri, 6 Jan 2023 08:42:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=cr5EmxyJFb2rB/U4UA1bhSTQ5z1GVTPzulUz61WxjQXWyvmgIJ8r2zAdi3gNeXXz29AQkZHLqNX9bxM7KG/90SiO8ro9rRgIGsLEgq+dRkRedFarmnDf0llb3YiZ5GOteAsAqluzcwbjewTtdXUkQ5hJM/S5WV/r3dzF/crqQunhN0pF4w79thiaPc2Lhyjeu7ggRXdGsZ93dzvgmArwo2VewpduCmamxzDS1X6cIbH0rIYnD6GCSvmpyNUlT6/ZinvQk28/3l4sFPxYL1juVYt39+bvLSRQ4Rrx1HpLiSFvwd4neKv7qikPFaqeerWU7o++7eupGrva2HTcXDOoRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/HigpJeFWsOlcgebaCKqaAynZtfAQbseuvE1UgD2HyI=; b=QAT99uQnMFHJTztTIjHCMvaVrtb1IG1ZRoQwp0sg5JHwa1nuMagvKYAOcM1QJHROvsq4UB33+4SG1Z+YTG7Pc+Ws32rTTH0HBPFQuVGM/4NI+jHgWaWTD0d4AXgsxt8+UTsW8oQll0ZzyWPn6lB06BZX91zfVEZG0lQq3oJEljZNRWo1/6XhpsyB1SqsWKKnObeem3JEnKbf2XOUocmGF9b9KXhnAQpMkKKOMsFY2HOMywyDKnJUrxUu59HYUen9HyEyTCtfhHvNGQy3HcOOmFjCvdxKq4fM/Z8iUzpfGNsoh5up7nLoEva8jQOx/2L857NKNKcnGGtImzG6aAii+g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/HigpJeFWsOlcgebaCKqaAynZtfAQbseuvE1UgD2HyI=; b=TlIE/5em2EpYFxRbcn29LdYllmDHc6uPYVxnl6isTIz2URV+ey1ZTWLZxKXjTjHeVtX3vkPmZiFPBoimRsrxUB1Tx5ca+KfTu9Xtez0aw5yEMgNN8Il+aAWf3//+9DXEU79e5wRVveiwf7hiNba6x5BD5MmqX654a93j+PpTtjU5ipf5oZ0Dg3GZr9UiTQt+51xmP0NjfGqdsx2E+yuVvuDyvJlV9Kf0pieaPDwiDR1gwoPuw/cOyxh6+YkhpBk1ngYca03g/4NlZCIUbsHQ/O2j8JxWeSt2NiDBFz+A7i9ehwcI9+hmAc2wvtNRR1g4j9TsVyB/ifeuAihdj4L8sg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by DS0PR12MB6437.namprd12.prod.outlook.com (2603:10b6:8:cb::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.19; Fri, 6 Jan 2023 16:42:49 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::f8b0:df13:5f8d:12a]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::f8b0:df13:5f8d:12a%9]) with mapi id 15.20.5944.019; Fri, 6 Jan 2023 16:42:49 +0000 From: Jason Gunthorpe To: Lu Baolu , Joerg Roedel , Kevin Tian , Matthew Rosato , Robin Murphy Cc: Alex Williamson , ath10k@lists.infradead.org, ath11k@lists.infradead.org, Christian Borntraeger , dri-devel@lists.freedesktop.org, iommu@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, linux-rdma@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, nouveau@lists.freedesktop.org, Niklas Schnelle , virtualization@lists.linux-foundation.org Subject: [PATCH 6/8] iommu/intel: Add a gfp parameter to alloc_pgtable_page() Date: Fri, 6 Jan 2023 12:42:46 -0400 Message-Id: <6-v1-6e8b3997c46d+89e-iommu_map_gfp_jgg@nvidia.com> In-Reply-To: <0-v1-6e8b3997c46d+89e-iommu_map_gfp_jgg@nvidia.com> References: X-ClientProxiedBy: BL0PR02CA0098.namprd02.prod.outlook.com (2603:10b6:208:51::39) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|DS0PR12MB6437:EE_ X-MS-Office365-Filtering-Correlation-Id: fe172e13-c294-4ba6-30e4-08daf0050bd4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: +0lUnMCVcSzH1Puv6yCloCgczl2NXeOT3sDWmIHXgWGKYy0leJ38S+jGe89KW9EXQ6sEnS7j8s+YNxu7/AvE0QQvZiz04MX0nfQJSTLv2ih6n0IBRBQ7KW1y3kGGUuH3/Zode1/2egtm9NS/WozTWJUfDPbTJ/ht0DXder5jG+meCN/yJv8QMoO1k/LEW7SOOI67YztQMO+CJ7v5BMTl+cpYmY7odDFBVzymlpKvkR1lNw+Naesp6WWiUBt/vyjXQnH5ifDxiOXg0C64cz6h3pBzihlrPmcOrBb5R5huR4MoA7b2DLeBrt08mGqQwpUqsckJZVZdQKvlmMXbljQvXLGWdGoIKSkbtXy+V93xEQNtu5Uz3oEXxye9gJcH28nBqsqfqnxqU6QKQevNeeDJC3sKtWbw2PfAeQyY3L/rtduSCRkKh0EzV9tue03mAiAACc/Rd2ZsCLUDc0VXzswm0ff8rCqeiM2XIXUaDDeZG5a903PJB0jJYZZpw0p/Gy3bfLt8n11XLZxVIbVaJVwCzCVkpOJdZII9ySEZv1BoNROD0wXcfoMjoxZ2EWZVzlb9sQbdYwekcb9H72OJcCCwiboHsUNo4jtTkJxOKrlGoyInEswElKtMXdVFLDNgdFRY43GoEfjLIrYZF5x+V0+mATRQhPgtayuHdXHo3b13dAMHdAIj2ABSTH8rtNiNlX2h X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(366004)(136003)(376002)(346002)(39860400002)(396003)(451199015)(7416002)(5660300002)(54906003)(2906002)(41300700001)(8676002)(66946007)(8936002)(66476007)(316002)(4326008)(66556008)(83380400001)(6666004)(478600001)(110136005)(6506007)(36756003)(186003)(2616005)(26005)(6512007)(6486002)(86362001)(38100700002)(4216001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: fe172e13-c294-4ba6-30e4-08daf0050bd4 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2023 16:42:49.2335 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MBSEZC6JCTwd0tc5lSbCcrdkGVZfydMg8uYREbqLlc+ZQhEOuEsixyTvigoRDuxd X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6437 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This is eventually called by iommufd through intel_iommu_map_pages() and it should not be forced to atomic. Push the GFP_ATOMIC to all callers. Signed-off-by: Jason Gunthorpe --- drivers/iommu/intel/iommu.c | 14 +++++++------- drivers/iommu/intel/iommu.h | 2 +- drivers/iommu/intel/pasid.c | 2 +- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 59df7e42fd533c..e3807776971563 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -362,12 +362,12 @@ static int __init intel_iommu_setup(char *str) } __setup("intel_iommu=", intel_iommu_setup); -void *alloc_pgtable_page(int node) +void *alloc_pgtable_page(int node, gfp_t gfp) { struct page *page; void *vaddr = NULL; - page = alloc_pages_node(node, GFP_ATOMIC | __GFP_ZERO, 0); + page = alloc_pages_node(node, gfp | __GFP_ZERO, 0); if (page) vaddr = page_address(page); return vaddr; @@ -612,7 +612,7 @@ struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus, if (!alloc) return NULL; - context = alloc_pgtable_page(iommu->node); + context = alloc_pgtable_page(iommu->node, GFP_ATOMIC); if (!context) return NULL; @@ -935,7 +935,7 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, if (!dma_pte_present(pte)) { uint64_t pteval; - tmp_page = alloc_pgtable_page(domain->nid); + tmp_page = alloc_pgtable_page(domain->nid, GFP_ATOMIC); if (!tmp_page) return NULL; @@ -1186,7 +1186,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) { struct root_entry *root; - root = (struct root_entry *)alloc_pgtable_page(iommu->node); + root = (struct root_entry *)alloc_pgtable_page(iommu->node, GFP_ATOMIC); if (!root) { pr_err("Allocating root entry for %s failed\n", iommu->name); @@ -2676,7 +2676,7 @@ static int copy_context_table(struct intel_iommu *iommu, if (!old_ce) goto out; - new_ce = alloc_pgtable_page(iommu->node); + new_ce = alloc_pgtable_page(iommu->node, GFP_KERNEL); if (!new_ce) goto out_unmap; @@ -4136,7 +4136,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width) domain->max_addr = 0; /* always allocate the top pgd */ - domain->pgd = alloc_pgtable_page(domain->nid); + domain->pgd = alloc_pgtable_page(domain->nid, GFP_ATOMIC); if (!domain->pgd) return -ENOMEM; domain_flush_cache(domain, domain->pgd, PAGE_SIZE); diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 06e61e4748567a..ca9a035e0110af 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -737,7 +737,7 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, extern int dmar_ir_support(void); -void *alloc_pgtable_page(int node); +void *alloc_pgtable_page(int node, gfp_t gfp); void free_pgtable_page(void *vaddr); void iommu_flush_write_buffer(struct intel_iommu *iommu); struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index fb3c7020028d07..c5bf74e9372d62 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -200,7 +200,7 @@ static struct pasid_entry *intel_pasid_get_entry(struct device *dev, u32 pasid) retry: entries = get_pasid_table_from_pde(&dir[dir_index]); if (!entries) { - entries = alloc_pgtable_page(info->iommu->node); + entries = alloc_pgtable_page(info->iommu->node, GFP_ATOMIC); if (!entries) return NULL;