From nobody Sun Feb 8 11:59:15 2026 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011036.outbound.protection.outlook.com [52.101.62.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2AFC02F4A10 for ; Tue, 27 Jan 2026 18:55:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.62.36 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769540132; cv=fail; b=WLko1uwoDgl3N4V5M8oGXUt3mukseIxU1TnsSbjk/O2HM2Ub7PNNJJbwnauFNtiUhpWdksJI7DBR0zFT8YM0xboebVLw1wBikbzYU9gjuiS7mbJZWbA2NrC+mhmcRznzM4AH4iNOb0eNt4ZZhq9rBxe49DTXc7bdvzRXOmgayHU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769540132; c=relaxed/simple; bh=T2m2Y2n3KgDnVar93IMm9LDwJsbzrC2XYX1p93fe1bk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NM9WQ3U5GTlS3vQyXFjs40ouYBTwl7RS0kSmLOAbRJvylxp/zFH4jagZbq3P1nML05ky2z8MrGZK7/i5f28j5365o1NUk2Osh3PZOY882eXrnMbyW+v666kTBziMMzGoV0sBuQNPMEZ460YEOGbq1qnGXBT9Fe/pU6eRWd+G2I4= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=RAqbfJIA; arc=fail smtp.client-ip=52.101.62.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="RAqbfJIA" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=c0kx925A3Ia4MxTkuhsvTs/IKcy0nEy31i7FB+/DyYkTtEH9EtSy9gn1DzR48UUvvg8IUv839BMiOcAJzbmh6FFGunbp+ZtsTOQSZXfzl/Cmg56xujK132UNz07QH4u3CIZUCDkCzDwg9eP8dv8za4JFObni7bpA2ne11ozyNkJ2ZPIvxmvcV3nJfSPCcIC6h7GfSD7HvYWriEScexPMzyh2ynm3/zbNhVtEkwEQXBfgWOUct68/N7yineYyABgXTXOzVbY8JeJ6yrEVJ0A635PAAFj1nkWL7r4vpUi8BpEJqFilwqwIj/xRcqq/nrcMqLAy2HFGRj/LaHn0Am9XLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=9EsUegwYvh5X0cWkaY9RCge07+sCBL++7IVOrlemteE=; b=AWWNgCWBZZCNuU7byFNbK6j63etl14oorK1RZcAsd7OKxYrHf9T6+3CeA/qcBb9BtaYGDJFPi2+rArHPoRAIpEp8LgdEVU29JhKzDJJwj5+ax6MPXIxE39FKzY0HJmkTHAysA588Hgna933cmFeqnqvg5FfAe59YvUax4T5BZE/zyeYe29/IQy1hVGUxVPfGvJZLgNjHt20i7dahTCLHUkq+CqVVOCfkpPkkYVmVWdg8TAgP+ESvOtooI3dWjM5wJNVZQrdm0TrzYLOkT1Q7gf8flJ7wYVKbL+FzgYd9WHVeNPxqFCVv8aqIxfNjaGh1agVMiUEfiTZm5IMn6Nk2JA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) 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=9EsUegwYvh5X0cWkaY9RCge07+sCBL++7IVOrlemteE=; b=RAqbfJIA9iRP9TUImth60gFLAKB6Jv8bitn7OQhSuXWCK8yLFI6sTGiH96PuJSPHos45D0ITp63VfznDdU+ZHzm6ZvTEWeJKBo+DSB6RsRqEEkrZdwG3psbzgHjOqpu4p+t1sDs3NpqvNkZAn+8UaoRqJLNlzwjZXhCrdA/QKW2ir4H1pgFSaHdCV0J8HtopJAmIZFZW/Sj+a/zv2qcLjNyHBxF0YM3nQw6B+rewA2sqTVSsQLcCSxfOOpqCyNkLFrjClzP0UJKQ8pqCr8oV5NSKw/WLNEECXRe2O0iXXWJh7ZzyteD6WH6dCd+2uP612zWuRj2zuJpkIURUggrPIA== Received: from SJ0PR05CA0153.namprd05.prod.outlook.com (2603:10b6:a03:339::8) by CH3PR12MB8210.namprd12.prod.outlook.com (2603:10b6:610:129::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9542.15; Tue, 27 Jan 2026 18:55:27 +0000 Received: from SJ1PEPF00002321.namprd03.prod.outlook.com (2603:10b6:a03:339:cafe::99) by SJ0PR05CA0153.outlook.office365.com (2603:10b6:a03:339::8) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9564.7 via Frontend Transport; Tue, 27 Jan 2026 18:55:23 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by SJ1PEPF00002321.mail.protection.outlook.com (10.167.242.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.3 via Frontend Transport; Tue, 27 Jan 2026 18:55:26 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 27 Jan 2026 10:55:09 -0800 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 27 Jan 2026 10:55:08 -0800 Received: from Asurada-Nvidia.nvidia.com (10.127.8.14) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Tue, 27 Jan 2026 10:55:07 -0800 From: Nicolin Chen To: CC: , , , , , , , , , , , Subject: [PATCH v11 3/8] iommu/arm-smmu-v3: Add an inline arm_smmu_domain_free() Date: Tue, 27 Jan 2026 10:54:55 -0800 Message-ID: <7e0e6c59e2cdcbdb9eeab642e878749dc6468807.1769539310.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002321:EE_|CH3PR12MB8210:EE_ X-MS-Office365-Filtering-Correlation-Id: 0864eae8-7352-4a08-0e48-08de5dd5a282 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|7416014|376014|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?J08BWCBTvn4E0iy8oaf/JsPrHrwzrMG0uUDLSghnAHxTNqYyIG9L9ZRdzB/F?= =?us-ascii?Q?N64bfX4jWTwBR4SZiEu0zq7+LE1BmukcvPXD6Em6HNDzPBzkgtaP8r7edATC?= =?us-ascii?Q?O2ziwKv9a+1zGUBvxZ5R+fIDZnEv60n4TA41UKG4h5b/Q4zwW1wyL/IJ5bkN?= =?us-ascii?Q?yaysfwpAipEtGpUPchBzPWqxbvIylFEpshvZcbEDZs4cxJ0ZDWjfIWK46LaS?= =?us-ascii?Q?n9OEjanxQlMAiZOPkgMBVNZPy9akJKt8Q3a9QfdGw+nqz/6b0wDg1KM5NMaA?= =?us-ascii?Q?S29KtNju1D+1ywLVO6vS/cCe/5fp3wQrQAtbiq4ZkNbjirDE/ebQXgk2Jml7?= =?us-ascii?Q?m8GWP1A6ZhcUQxpoTUZTEnPXTMbBsU50Mszba8wfSZmyudjVkYjj25zC+rq+?= =?us-ascii?Q?IucQxJlVfcCGr9ScmpbGi3v2WvJn4EsEaV/AahQZLn30FF/i0/IiBACOwLzL?= =?us-ascii?Q?qtdtoYHuQOydDM28+wr97HDGmcqInHeOSzHD6iXK0y1o5s1kEnm4HcJkzX00?= =?us-ascii?Q?VDk1QegSII11l7+zOlDSIF7SjjLX3dDRgsp6kLmsx3xxMK/FaXy+S/dl4PBY?= =?us-ascii?Q?A8bTAO+jHqhkxh8PpSd6mrhFfqXcJflKTaUc5I9v0xpRCKNX2HAVMW6KVZ8M?= =?us-ascii?Q?9PoZMpEYDiheGjpb+/DnnCqN0oaV7ynIy3Pn4DXfJemRLcr+KdpleE1OqUTf?= =?us-ascii?Q?+x8A5dz0lyFSYhx/PRHejyx8whQDM0ZPmOybMNKA8Gf85DsKLlldObsOnOwB?= =?us-ascii?Q?poXiTOpfU2GtnuXHEZ9ZlsZTGhxAFlI2FdaI0pXNWsG5BnHIpm0coRgQaeWA?= =?us-ascii?Q?H1I3XYDq7Hw0hUr/Qf3XPaKb9iD4f8w0Nm4xs89m7HLRQQChgyHJM5Ts/IIR?= =?us-ascii?Q?u6HNyKh3N7Gx2hFiyo0cUE+0VRPicAuNG/qXjnkDx3ON+Z1i1lhfRM4VsZ2y?= =?us-ascii?Q?WHHymdZYBbrsjN9UwyyRnrjCFP6+9OMBvWLlz44VLrEtYZcGC8WISgTM5uLf?= =?us-ascii?Q?g85thJOQSWOAgmeZaKJl/uMj5qG13wPe7yPg1TLzow0QaQ9BLEve+W2hWYZ2?= =?us-ascii?Q?Kh/2m26BFpXMe6GjoJBcpyJPjVi8InC3SSN0DtiBWTslaGM9E5sawyVR+MyK?= =?us-ascii?Q?ZF8gpPaokX8MfBZixbSHq4D12kEV5KPvj1dvUUQ1v42uvKTTfH2YjlLipKXf?= =?us-ascii?Q?8SAuQzmN5Ct+8RcaG4TA8uvARRaZzIReuPphvn0PfWhRejKLCwCWylLlY/1y?= =?us-ascii?Q?ZRLa2t2GfXOdbySUsKhp6EnQhx26w1OrWOyev2dzQqSfPdYkL7DwPA9fpQSk?= =?us-ascii?Q?ow2SHwwqo6FF4y5gqRwqdfUj9eAcyGN3eYGeUiKmNjya9wjSFb2Y8iuLxq3o?= =?us-ascii?Q?u22SpBFJv+W9cyc3E/BAfmcyQM/8veujHHuyLe74ZU6kgxiNj8y8FEwPiy6t?= =?us-ascii?Q?VxcY48P7IPzHrsu9or/JwGhBDKGycclUIsQar/zYx7urWfvPhUFOiXngNxgu?= =?us-ascii?Q?PUPhxGx76sWclhC1Yweq4Tlr+2ei6qzLM3zB/O17ul5CW7YcBFViiYVTDKmf?= =?us-ascii?Q?iSuieftlENIlM5XIu32aV2Ardri0DjXH8cvOWAp7qVObVY9eJQpmqsk5zZL8?= =?us-ascii?Q?pzk+JE8Uc/dwEFmmCUCs7BviDO3jR9TRzNtpoKwvwnM1k66AYvm/nw+JfGje?= =?us-ascii?Q?c+stFg=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(7416014)(376014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2026 18:55:26.8716 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0864eae8-7352-4a08-0e48-08de5dd5a282 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002321.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8210 Content-Type: text/plain; charset="utf-8" There will be a bit more things to free than smmu_domain itself. So keep a simple inline function in the header to share aross files. Suggested-by: Jason Gunthorpe Reviewed-by: Jason Gunthorpe Acked-by: Balbir Singh Reviewed-by: Pranjal Shrivastava Signed-off-by: Nicolin Chen --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 5 +++++ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 5 +++-- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 ++-- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.h index 24894b163004..cfbedb76c8ba 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -956,6 +956,11 @@ extern struct mutex arm_smmu_asid_lock; =20 struct arm_smmu_domain *arm_smmu_domain_alloc(void); =20 +static inline void arm_smmu_domain_free(struct arm_smmu_domain *smmu_domai= n) +{ + kfree(smmu_domain); +} + void arm_smmu_clear_cd(struct arm_smmu_master *master, ioasid_t ssid); struct arm_smmu_cd *arm_smmu_get_cd_ptr(struct arm_smmu_master *master, u32 ssid); diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iomm= u/arm/arm-smmu-v3/arm-smmu-v3-sva.c index 6097f1f540d8..440ad8cc07de 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c @@ -197,7 +197,8 @@ static void arm_smmu_mm_release(struct mmu_notifier *mn= , struct mm_struct *mm) =20 static void arm_smmu_mmu_notifier_free(struct mmu_notifier *mn) { - kfree(container_of(mn, struct arm_smmu_domain, mmu_notifier)); + arm_smmu_domain_free( + container_of(mn, struct arm_smmu_domain, mmu_notifier)); } =20 static const struct mmu_notifier_ops arm_smmu_mmu_notifier_ops =3D { @@ -365,6 +366,6 @@ struct iommu_domain *arm_smmu_sva_domain_alloc(struct d= evice *dev, err_asid: xa_erase(&arm_smmu_asid_xa, smmu_domain->cd.asid); err_free: - kfree(smmu_domain); + arm_smmu_domain_free(smmu_domain); return ERR_PTR(ret); } diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.c index a55f9ae95411..6beffa8e7c74 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -2560,7 +2560,7 @@ static void arm_smmu_domain_free_paging(struct iommu_= domain *domain) ida_free(&smmu->vmid_map, cfg->vmid); } =20 - kfree(smmu_domain); + arm_smmu_domain_free(smmu_domain); } =20 static int arm_smmu_domain_finalise_s1(struct arm_smmu_device *smmu, @@ -3427,7 +3427,7 @@ arm_smmu_domain_alloc_paging_flags(struct device *dev= , u32 flags, return &smmu_domain->domain; =20 err_free: - kfree(smmu_domain); + arm_smmu_domain_free(smmu_domain); return ERR_PTR(ret); } =20 --=20 2.43.0