Re: [Intel-gfx] IOMMU RMRR for Intel graphic device

2019-05-15 Thread Lu Baolu
Hi Daniel, On 5/10/19 4:34 PM, Daniel Vetter wrote: On Fri, May 10, 2019 at 01:21:59PM +0800, Lu Baolu wrote: Forward to i915 mailing list and post the question again so people knows what are the key concerns. The background is that Linux community is going to collect and report the reserved m

Re: [Intel-gfx] IOMMU RMRR for Intel graphic device

2019-05-10 Thread Daniel Vetter
On Fri, May 10, 2019 at 01:21:59PM +0800, Lu Baolu wrote: > Forward to i915 mailing list and post the question again so people knows > what are the key concerns. > > The background is that Linux community is going to collect and report > the reserved memory ranges of an assigned device to VFIO dri

Re: [Intel-gfx] IOMMU RMRR for Intel graphic device

2019-05-09 Thread Lu Baolu
Forward to i915 mailing list and post the question again so people knows what are the key concerns. The background is that Linux community is going to collect and report the reserved memory ranges of an assigned device to VFIO driver, and any mapped address will be checked against the reserved ra