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    SubjectRe: [PATCH 0/2] KVM: MMU: support VMAs that got remap_pfn_range-ed
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    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. :)

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