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From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: kevin.tian@intel.com, will@kernel.org, robin.murphy@arm.com,
	joro@8bytes.org, ddutile@redhat.com, yi.l.liu@intel.com,
	peterz@infradead.org, jsnitsel@redhat.com, praan@google.com,
	linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
	linux-kernel@vger.kernel.org, patches@lists.linux.dev,
	baolu.lu@linux.intel.com
Subject: Re: [PATCH v1 11/12] iommufd: Introduce iommufd_object_alloc_ucmd helper
Date: Fri, 13 Jun 2025 10:58:17 -0300	[thread overview]
Message-ID: <20250613135817.GG1174925@nvidia.com> (raw)
In-Reply-To: <52edfd3e74c264f0f7b1f706d29e9edcb705e2db.1749488870.git.nicolinc@nvidia.com>

On Mon, Jun 09, 2025 at 10:13:34AM -0700, Nicolin Chen wrote:

> +#define iommufd_object_alloc_ucmd(ucmd, ptr, type) \
> +	__iommufd_object_alloc_ucmd(ucmd, ptr, type, obj)

Lets add a comment here and on the normal iommufd_object_alloc
explaining that this function automatically calls finalize and abort,
the non ucmd version requires the caller to do so.

> +struct iommufd_object *_iommufd_object_alloc_ucmd(struct iommufd_ucmd *ucmd,
> +						  size_t size,
> +						  enum iommufd_object_type type)
> +{
> +	struct iommufd_object *new_obj;
> +
> +	if (ucmd->new_obj)

WARN_ON? Something is coded wrong if we hit this right?

Jason

  reply	other threads:[~2025-06-13 13:58 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-09 17:13 [PATCH v1 00/12] iommufd: Repare for IOMMUFD_OBJ_HW_QUEUE Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 01/12] iommufd: Apply obvious cosmetic fixes Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 02/12] iommufd: Drop unused ictx in struct iommufd_vdevice Nicolin Chen
2025-06-12  8:06   ` Tian, Kevin
2025-06-13 13:36   ` Jason Gunthorpe
2025-06-09 17:13 ` [PATCH v1 03/12] iommufd: Use enum iommu_viommu_type for type in struct iommufd_viommu Nicolin Chen
2025-06-12  8:06   ` Tian, Kevin
2025-06-13 13:36   ` Jason Gunthorpe
2025-06-09 17:13 ` [PATCH v1 04/12] iommufd: Use enum iommu_veventq_type for type in struct iommufd_veventq Nicolin Chen
2025-06-12  8:07   ` Tian, Kevin
2025-06-13 13:36   ` Jason Gunthorpe
2025-06-09 17:13 ` [PATCH v1 05/12] iommu: Introduce get_viommu_size and viommu_init ops Nicolin Chen
2025-06-12  8:12   ` Tian, Kevin
2025-06-12 17:06     ` Nicolin Chen
2025-06-13  7:33       ` Tian, Kevin
2025-06-13 13:41   ` Jason Gunthorpe
2025-06-13 20:45     ` Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 06/12] iommufd/selftest: Implement mock_get_viommu_size and mock_viommu_init Nicolin Chen
2025-06-12  8:17   ` Tian, Kevin
2025-06-12 17:12     ` Nicolin Chen
2025-06-13  7:34       ` Tian, Kevin
2025-06-13 13:45   ` Jason Gunthorpe
2025-06-13 20:19     ` Nicolin Chen
2025-06-13 23:23       ` Jason Gunthorpe
2025-06-13 23:37         ` Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 07/12] iommu/arm-smmu-v3: Implement arm_smmu_get_viommu_size and arm_vsmmu_init Nicolin Chen
2025-06-12  8:20   ` Tian, Kevin
2025-06-12 17:18     ` Nicolin Chen
2025-06-13  7:36       ` Tian, Kevin
2025-06-09 17:13 ` [PATCH v1 08/12] iommufd/viommu: Replace ops->viommu_alloc with ops->viommu_init Nicolin Chen
2025-06-10  5:55   ` Baolu Lu
2025-06-10  6:19     ` Nicolin Chen
2025-06-12  8:22       ` Tian, Kevin
2025-06-12 17:35         ` Nicolin Chen
2025-06-12  8:27   ` Tian, Kevin
2025-06-12 17:24     ` Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 09/12] iommu: Deprecate viommu_alloc op Nicolin Chen
2025-06-12  8:23   ` Tian, Kevin
2025-06-09 17:13 ` [PATCH v1 10/12] iommufd: Move _iommufd_object_alloc out of driver.c Nicolin Chen
2025-06-12  8:23   ` Tian, Kevin
2025-06-13 13:46   ` Jason Gunthorpe
2025-06-09 17:13 ` [PATCH v1 11/12] iommufd: Introduce iommufd_object_alloc_ucmd helper Nicolin Chen
2025-06-13 13:58   ` Jason Gunthorpe [this message]
2025-06-13 23:17     ` Nicolin Chen
2025-06-09 17:13 ` [PATCH v1 12/12] iommufd: Apply the new " Nicolin Chen
2025-06-10 18:32 ` [PATCH v1 00/12] iommufd: Repare for IOMMUFD_OBJ_HW_QUEUE Nicolin Chen

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