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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, praan@google.com, yi.l.liu@intel.com,
	peterz@infradead.org, jsnitsel@redhat.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 v2 05/14] iommufd: Return EOPNOTSUPP for failures due to driver bugs
Date: Mon, 16 Jun 2025 09:28:01 -0300	[thread overview]
Message-ID: <20250616122801.GU1174925@nvidia.com> (raw)
In-Reply-To: <623bb6f0e8fdd7b9c5745a2f99f280163f9f1f5a.1749882255.git.nicolinc@nvidia.com>

On Fri, Jun 13, 2025 at 11:35:17PM -0700, Nicolin Chen wrote:
> It's more accurate to report EOPNOTSUPP when an ioctl failed due to driver
> bug, since there is nothing wrong with the user space side.
> 
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
>  drivers/iommu/iommufd/device.c       | 2 +-
>  drivers/iommu/iommufd/hw_pagetable.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason


  parent reply	other threads:[~2025-06-16 15:25 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-14  6:35 [PATCH v2 00/14] iommufd: Prepare for IOMMUFD_OBJ_HW_QUEUE Nicolin Chen
2025-06-14  6:35 ` [PATCH v2 01/14] iommufd: Apply obvious cosmetic fixes Nicolin Chen
2025-06-16  3:23   ` Baolu Lu
2025-06-14  6:35 ` [PATCH v2 02/14] iommufd: Drop unused ictx in struct iommufd_vdevice Nicolin Chen
2025-06-16  3:23   ` Baolu Lu
2025-06-14  6:35 ` [PATCH v2 03/14] iommufd: Use enum iommu_viommu_type for type in struct iommufd_viommu Nicolin Chen
2025-06-16  3:24   ` Baolu Lu
2025-06-16 21:45   ` Pranjal Shrivastava
2025-06-14  6:35 ` [PATCH v2 04/14] iommufd: Use enum iommu_veventq_type for type in struct iommufd_veventq Nicolin Chen
2025-06-16  3:24   ` Baolu Lu
2025-06-16 21:47   ` Pranjal Shrivastava
2025-06-14  6:35 ` [PATCH v2 05/14] iommufd: Return EOPNOTSUPP for failures due to driver bugs Nicolin Chen
2025-06-16  3:25   ` Baolu Lu
2025-06-16 12:28   ` Jason Gunthorpe [this message]
2025-06-16 21:49   ` Pranjal Shrivastava
2025-06-19  5:40   ` Tian, Kevin
2025-06-14  6:35 ` [PATCH v2 06/14] iommu: Introduce get_viommu_size and viommu_init ops Nicolin Chen
2025-06-16  3:25   ` Baolu Lu
2025-06-16 12:43   ` Jason Gunthorpe
2025-06-16 22:10   ` Pranjal Shrivastava
2025-06-19  5:42   ` Tian, Kevin
2025-06-14  6:35 ` [PATCH v2 07/14] iommufd/viommu: Support " Nicolin Chen
2025-06-16  3:26   ` Baolu Lu
2025-06-16 12:45   ` Jason Gunthorpe
2025-06-19  5:45   ` Tian, Kevin
2025-06-14  6:35 ` [PATCH v2 08/14] iommufd/selftest: Drop parent domain from mock_iommu_domain_nested Nicolin Chen
2025-06-16 12:46   ` Jason Gunthorpe
2025-06-19  5:46   ` Tian, Kevin
2025-06-14  6:35 ` [PATCH v2 09/14] iommufd/selftest: Replace mock_viommu_alloc with mock_viommu_init Nicolin Chen
2025-06-16 12:46   ` Jason Gunthorpe
2025-06-14  6:35 ` [PATCH v2 10/14] iommu/arm-smmu-v3: Replace arm_vsmmu_alloc with arm_vsmmu_init Nicolin Chen
2025-06-16 10:03   ` Will Deacon
2025-06-16 12:49   ` Jason Gunthorpe
2025-06-16 22:43   ` Pranjal Shrivastava
2025-06-17  2:15     ` Nicolin Chen
2025-06-17  5:43       ` Pranjal Shrivastava
2025-06-14  6:35 ` [PATCH v2 11/14] iommu: Deprecate viommu_alloc op Nicolin Chen
2025-06-16  3:26   ` Baolu Lu
2025-06-16 12:49   ` Jason Gunthorpe
2025-06-16 22:46   ` Pranjal Shrivastava
2025-06-14  6:35 ` [PATCH v2 12/14] iommufd: Move _iommufd_object_alloc out of driver.c Nicolin Chen
2025-06-16  3:26   ` Baolu Lu
2025-06-14  6:35 ` [PATCH v2 13/14] iommufd: Introduce iommufd_object_alloc_ucmd helper Nicolin Chen
2025-06-16  3:27   ` Baolu Lu
2025-06-16 22:52   ` [PATCH v2 13/14] iommufd: Introduce iommufd_object_alloc_ucmd helpery Pranjal Shrivastava
2025-07-09  5:31   ` [PATCH v2 13/14] iommufd: Introduce iommufd_object_alloc_ucmd helper Xu Yilun
2025-07-10  5:32     ` Tian, Kevin
2025-07-10 18:21       ` Nicolin Chen
2025-06-14  6:35 ` [PATCH v2 14/14] iommufd: Apply the new " Nicolin Chen
2025-06-16  3:27   ` Baolu Lu
2025-06-19  5:49   ` Tian, Kevin
2025-06-19 18:46 ` [PATCH v2 00/14] iommufd: Prepare for IOMMUFD_OBJ_HW_QUEUE Jason Gunthorpe

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