Re: [PATCH v2 2/4] iommu/dma-iommu: Handle deferred devices

2019-04-30 Thread Tom Murphy via iommu
On Tue, Apr 30, 2019 at 2:42 PM Robin Murphy wrote: > > On 30/04/2019 01:29, Tom Murphy wrote: > > Handle devices which defer their attach to the iommu in the dma-iommu api > > I've just spent a while trying to understand what this is about... > > AFAICS it's a kdump thing where the regular defaul

Re: [PATCH v2 2/4] iommu/dma-iommu: Handle deferred devices

2019-04-30 Thread Robin Murphy
On 30/04/2019 01:29, Tom Murphy wrote: Handle devices which defer their attach to the iommu in the dma-iommu api I've just spent a while trying to understand what this is about... AFAICS it's a kdump thing where the regular default domain attachment may lead to ongoing DMA traffic from the cr

[PATCH v2 2/4] iommu/dma-iommu: Handle deferred devices

2019-04-29 Thread Tom Murphy via iommu
Handle devices which defer their attach to the iommu in the dma-iommu api Signed-off-by: Tom Murphy --- drivers/iommu/dma-iommu.c | 30 ++ 1 file changed, 30 insertions(+) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 7a96c2c8f56b..c18f74ad