On 22/02/2019 12:34, Jan Beulich wrote: >>>> On 21.02.19 at 23:08, <igor.druzhi...@citrix.com> wrote: >> Modern Linux kernels taught to copy all the necessary DMAR/IR tables >> following kexec from the previous kernel (Xen in our case) - so it's >> currently normal to keep IOMMU enabled. It might require minor changes to >> kdump command line that enables IOMMU drivers (e.g. intel_iommu=on / >> intremap=on) but recent kernels don't require any additional changes for >> the transition to be transparent. > > In your reply on the v1 thread didn't you say Linux disables translation?
I didn't rule out a possibility that there were versions of Linux that did it in a wrong order or didn't do it at all as current versions do. Igor _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
