Re: [Qemu-devel] [PULL v4 12/29] intel-iommu: Extend address width to 48 bits

2018-01-18 Thread Michael S. Tsirkin
On Fri, Jan 19, 2018 at 11:34:57AM +0800, Jason Wang wrote: > > > On 2018年01月19日 04:45, Michael S. Tsirkin wrote: > > From: Prasad Singamsetty > > > > The current implementation of Intel IOMMU code only supports 39 bits > > iova address width. This patch provides a new parameter (x-aw-bits) > >

Re: [Qemu-devel] [PULL v4 12/29] intel-iommu: Extend address width to 48 bits

2018-01-18 Thread Jason Wang
On 2018年01月19日 04:45, Michael S. Tsirkin wrote: From: Prasad Singamsetty The current implementation of Intel IOMMU code only supports 39 bits iova address width. This patch provides a new parameter (x-aw-bits) for intel-iommu to extend its address width to 48 bits but keeping the default the s