On 09/30/2012 10:48 AM, liu ping fan wrote: > On Sun, Sep 30, 2012 at 4:13 PM, Avi Kivity <a...@redhat.com> wrote: >> On 09/29/2012 11:20 AM, liu ping fan wrote: >>> >>> Do we have iommus in qemu now, >> >> We do, but they're hacked into the scsi layer, see hw/sun4m_iommu.c. I >> don't know if it's a standalone iommu on real hardware or whether it is >> part of the HBA. >> >>> since there are no separate phys_maps >>> for real address and dev's virt address, and I think the iommu is only >>> needed by host, not guest, so need not emulated by qemu. >> >> Eventually we will emulate iommus for x86 too, so we need to consider them. >> > For nested guest? The address translation is like nested mmu?
Yes. -- error compiling committee.c: too many arguments to function
