Messages in this thread | | | Subject | Re: [PATCH 0/2] KVM: MMU: support VMAs that got remap_pfn_range-ed | From | Xiao Guangrong <> | Date | Mon, 4 Jul 2016 15:40:58 +0800 |
| |
On 07/04/2016 03:38 PM, Paolo Bonzini wrote: > > > On 04/07/2016 08:39, Xiao Guangrong wrote: >> Why the memory mapped by this mmap() is not a portion of MMIO from >> underlayer physical device? If it is a valid system memory, is this >> interface >> really needed to implemented in vfio? (you at least need to set VM_MIXEDMAP >> if it mixed system memory with MMIO) > > The KVM code does not care if VM_MIXEDMAP is set or not, it works in > either case.
Yes, it is. I mean nvdia's vfio patchset should use VM_MIXEDMAP if the memory is mixed. :)
| |