Re: [PATCH] iommu/powerpc: Incorrect DDW Table is referenced for SR-IOV device

2023-07-02 Thread Michael Ellerman
On Fri, 05 May 2023 13:47:01 -0500, Gaurav Batra wrote: > For an SR-IOV device, while enabling DDW, a new table is created and added > at index 1 in the group. In the below 2 scenarios, the table is incorrectly > referenced at index 0 (which is where the table is for default DMA window). > > 1. Wh

[PATCH] iommu/powerpc: Incorrect DDW Table is referenced for SR-IOV device

2023-05-05 Thread Gaurav Batra
For an SR-IOV device, while enabling DDW, a new table is created and added at index 1 in the group. In the below 2 scenarios, the table is incorrectly referenced at index 0 (which is where the table is for default DMA window). 1. When adding DDW This issue is exposed with "slub_debug". Er