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From: Joerg Roedel <joro@8bytes.org>
To: Eric Auger <eric.auger@redhat.com>
Cc: eric.auger.pro@gmail.com, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	kvmarm@lists.cs.columbia.edu, will@kernel.org,
	robin.murphy@arm.com, jean-philippe@linaro.org,
	zhukeqian1@huawei.com, alex.williamson@redhat.com,
	jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com,
	kevin.tian@intel.com, ashok.raj@intel.com, maz@kernel.org,
	peter.maydell@linaro.org, vivek.gautam@arm.com,
	shameerali.kolothum.thodi@huawei.com, wangxingang5@huawei.com,
	jiangkunkun@huawei.com, yuzenghui@huawei.com,
	nicoleotsuka@gmail.com, chenxiang66@hisilicon.com,
	sumitg@nvidia.com, nicolinc@nvidia.com, vdumpa@nvidia.com,
	zhangfei.gao@linaro.org, zhangfei.gao@gmail.com,
	lushenming@huawei.com, vsethi@nvidia.com
Subject: Re: [RFC v16 1/9] iommu: Introduce attach/detach_pasid_table API
Date: Mon, 6 Dec 2021 11:48:23 +0100	[thread overview]
Message-ID: <Ya3qd6mT/DpceSm8@8bytes.org> (raw)
In-Reply-To: <20211027104428.1059740-2-eric.auger@redhat.com>

On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
> Signed-off-by: Liu, Yi L <yi.l.liu@linux.intel.com>
> Signed-off-by: Ashok Raj <ashok.raj@intel.com>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>

This Signed-of-by chain looks dubious, you are the author but the last
one in the chain?

> +int iommu_uapi_attach_pasid_table(struct iommu_domain *domain,
> +				  void __user *uinfo)
> +{

[...]

> +	if (pasid_table_data.format == IOMMU_PASID_FORMAT_SMMUV3 &&
> +	    pasid_table_data.argsz <
> +		offsetofend(struct iommu_pasid_table_config, vendor_data.smmuv3))
> +		return -EINVAL;

This check looks like it belongs in driver specific code.

Regards,

	Joerg


  reply	other threads:[~2021-12-06 10:49 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-27 10:44 [RFC v16 0/9] SMMUv3 Nested Stage Setup (IOMMU part) Eric Auger
2021-10-27 10:44 ` [RFC v16 1/9] iommu: Introduce attach/detach_pasid_table API Eric Auger
2021-12-06 10:48   ` Joerg Roedel [this message]
2021-12-07 10:22     ` Eric Auger
2021-12-08  2:44       ` Lu Baolu
2021-12-08  7:33         ` Eric Auger
2021-12-08 12:56           ` Jason Gunthorpe
2021-12-08 17:20             ` Jean-Philippe Brucker
2021-12-08 18:31               ` Jason Gunthorpe
2021-12-09  2:58                 ` Tian, Kevin
     [not found]                 ` <BN9PR11MB527624080CB9302481B74C7A8C709@BN9PR11MB5276.namprd11.prod.outlook.com>
2021-12-09  3:59                   ` Tian, Kevin
2021-12-09 16:08                     ` Jason Gunthorpe
2021-12-10  8:56                       ` Tian, Kevin
2021-12-10 13:23                         ` Jason Gunthorpe
2021-12-11  3:57                           ` Tian, Kevin
2021-12-16 20:48                             ` Jason Gunthorpe
2022-01-04  2:42                               ` Tian, Kevin
2021-12-11  5:18                           ` Tian, Kevin
2021-12-09  7:50                 ` Eric Auger
2021-12-09 15:40                   ` Jason Gunthorpe
2021-12-09 16:37                     ` Eric Auger
2021-12-09  3:21             ` Tian, Kevin
2021-12-09  9:44               ` Eric Auger
2021-12-09  8:31             ` Eric Auger
2021-10-27 10:44 ` [RFC v16 2/9] iommu: Introduce iommu_get_nesting Eric Auger
2021-10-27 10:44 ` [RFC v16 3/9] iommu/smmuv3: Allow s1 and s2 configs to coexist Eric Auger
2021-10-27 10:44 ` [RFC v16 4/9] iommu/smmuv3: Get prepared for nested stage support Eric Auger
2021-10-27 10:44 ` [RFC v16 5/9] iommu/smmuv3: Implement attach/detach_pasid_table Eric Auger
2021-10-27 10:44 ` [RFC v16 6/9] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs Eric Auger
2021-10-27 10:44 ` [RFC v16 7/9] iommu/smmuv3: Implement cache_invalidate Eric Auger
2021-10-27 10:44 ` [RFC v16 8/9] iommu/smmuv3: report additional recoverable faults Eric Auger
2021-10-27 10:44 ` [RFC v16 9/9] iommu/smmuv3: Disallow nested mode in presence of HW MSI regions Eric Auger
2021-12-03 12:27 ` [RFC v16 0/9] SMMUv3 Nested Stage Setup (IOMMU part) Zhangfei Gao
2021-12-07 10:27   ` Eric Auger
2021-12-07 10:35     ` Zhangfei Gao
2021-12-07 11:06       ` Eric Auger
2021-12-08 13:33         ` Shameerali Kolothum Thodi
2021-12-03 13:13 ` Sumit Gupta
2021-12-07 10:28   ` Eric Auger

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