Re: [Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation

2021-08-09 Thread Will Deacon
On Mon, Aug 02, 2021 at 04:46:37PM +0100, Robin Murphy wrote: > On 2021-08-02 16:16, Will Deacon wrote: > > On Fri, Jun 18, 2021 at 02:00:35AM +0530, Ashish Mhetre wrote: > > > Multiple iommu domains and iommu groups are getting created for the > > > devices > > > sharing same SID. It is expected

Re: [Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation

2021-08-02 Thread Robin Murphy
On 2021-08-02 16:16, Will Deacon wrote: On Fri, Jun 18, 2021 at 02:00:35AM +0530, Ashish Mhetre wrote: Multiple iommu domains and iommu groups are getting created for the devices sharing same SID. It is expected for devices sharing same SID to be in same iommu group and same iommu domain. This

Re: [Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation

2021-08-02 Thread Will Deacon
On Fri, Jun 18, 2021 at 02:00:35AM +0530, Ashish Mhetre wrote: > Multiple iommu domains and iommu groups are getting created for the devices > sharing same SID. It is expected for devices sharing same SID to be in same > iommu group and same iommu domain. > This is leading to context faults when

Re: [Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation

2021-07-14 Thread Ashish Mhetre via iommu
On 6/18/2021 2:00 AM, Ashish Mhetre wrote: Multiple iommu domains and iommu groups are getting created for the devices sharing same SID. It is expected for devices sharing same SID to be in same iommu group and same iommu domain. This is leading to context faults when one device is accessing

[Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation

2021-06-17 Thread Ashish Mhetre
Multiple iommu domains and iommu groups are getting created for the devices sharing same SID. It is expected for devices sharing same SID to be in same iommu group and same iommu domain. This is leading to context faults when one device is accessing IOVA from other device which shouldn't be the