Re: [PATCH 2/2] vfio/type1: Give hardware MSI regions precedence

2017-07-30 Thread Auger Eric
Hi Robin, On 27/07/2017 16:54, Robin Murphy wrote: > If the IOMMU driver advertises 'real' reserved regions for MSIs, but > still includes the software-managed region as well, we are currently > blind to the former and will configure the IOMMU domain to map MSIs into > the latter, which is unlikely

[PATCH 2/2] vfio/type1: Give hardware MSI regions precedence

2017-07-27 Thread Robin Murphy
If the IOMMU driver advertises 'real' reserved regions for MSIs, but still includes the software-managed region as well, we are currently blind to the former and will configure the IOMMU domain to map MSIs into the latter, which is unlikely to work as expected. Since it would take a ridiculous har