Re: [PATCH v6 03/22] iommu: introduce device fault report API

2019-03-21 Thread Alex Williamson
On Sun, 17 Mar 2019 18:22:13 +0100 Eric Auger wrote: > From: Jacob Pan > > Traditionally, device specific faults are detected and handled within > their own device drivers. When IOMMU is enabled, faults such as DMA > related transactions are detected by IOMMU. There is no generic > reporting me

[PATCH v6 03/22] iommu: introduce device fault report API

2019-03-17 Thread Eric Auger
From: Jacob Pan Traditionally, device specific faults are detected and handled within their own device drivers. When IOMMU is enabled, faults such as DMA related transactions are detected by IOMMU. There is no generic reporting mechanism to report faults back to the in-kernel device driver or the