Re: [Patch V2 0/2] iommu/arm-smmu: Fix races in iommu domain/group creation
From: Ashish Mhetre <hidden>
Date: 2021-07-15 04:44:16
Also in:
linux-iommu, lkml
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 IOVA from other device which shouldn't be the case for devices sharing same SID. Fix this by protecting iommu domain and iommu group creation with mutexes. Ashish Mhetre (1): iommu: Fix race condition during default domain allocation Krishna Reddy (1): iommu/arm-smmu: Fix race condition during iommu_group creation drivers/iommu/arm/arm-smmu/arm-smmu.c | 6 +++++- drivers/iommu/iommu.c | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-)
Hi, Can you please help in reviewing this V2 change? Please let me know if anymore changes are required. Thanks, Ashish Mhetre _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel