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Fri, 6 Jan 2023 16:42:50 +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 16:42:50 +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 4/8] iommu/dma: Use the gfp parameter in __iommu_dma_alloc_noncontiguous() Date: Fri, 6 Jan 2023 12:42:44 -0400 Message-Id: <4-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: MN2PR02CA0013.namprd02.prod.outlook.com (2603:10b6:208:fc::26) 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: 948d41df-dd87-48b7-b918-08daf0050c52 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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: 948d41df-dd87-48b7-b918-08daf0050c52 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2023 16:42:50.0315 (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: /D60ZqaifkkKSCcn36hiBozlR7v/UtRcDdOJv0+yGkWdXfblQ6DTipFSgN0Aaahw X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6437 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Change the sg_alloc_table_from_pages() allocation that was hardwired to GFP_KERNEL to use the gfp parameter like the other allocations in this function. Auditing says this is never called from an atomic context, so it is safe as is, but reads wrong. Signed-off-by: Jason Gunthorpe --- drivers/iommu/dma-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 8c2788633c1766..e4bf1bb159f7c7 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -822,7 +822,7 @@ static struct page **__iommu_dma_alloc_noncontiguous(struct device *dev, if (!iova) goto out_free_pages; - if (sg_alloc_table_from_pages(sgt, pages, count, 0, size, GFP_KERNEL)) + if (sg_alloc_table_from_pages(sgt, pages, count, 0, size, gfp)) goto out_free_iova; if (!(ioprot & IOMMU_CACHE)) {