Re: [Qemu-devel] [PATCH v1 1/3] intel-iommu: differentiate host address width from IOVA address width.

2018-11-12 Thread Yu Zhang
On Mon, Nov 12, 2018 at 04:15:46PM +0800, Peter Xu wrote: > On Fri, Nov 09, 2018 at 07:49:45PM +0800, Yu Zhang wrote: > > Currently, vIOMMU is using the value of IOVA address width, instead of > > the host address width(HAW) to calculate the number of reserved bits in > > data structures such as

Re: [Qemu-devel] [PATCH v1 1/3] intel-iommu: differentiate host address width from IOVA address width.

2018-11-12 Thread Peter Xu
On Fri, Nov 09, 2018 at 07:49:45PM +0800, Yu Zhang wrote: > Currently, vIOMMU is using the value of IOVA address width, instead of > the host address width(HAW) to calculate the number of reserved bits in > data structures such as root entries, context entries, and entries of > DMA paging