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d9e6cdb593
AcrnGT traps and intercepts the memory region defined by PCI bar in service OS kernel driver. No need to register the bar associated region in dm. By the way, some OS changes BAR start address and there is no mechanism to reflect the gvt changes back to dm. It causes problem that other devices may register new region which falls in GVT `old` region, and leads to hypervisor crash. v4: Add FIXME tag. It's a short term solution before migrated to OVMF v3: rewording the comments v2: removed unnecessary braces and use printf to log (Peter) Tracked-On: #2976 Reviewed-by: He, Min <min.he@intel.com> Reviewed-by: Yin Fengwei <fengwei.yin@intel.com> Signed-off-by: Liu Xinyun <xinyun.liu@intel.com> Acked-by: Yu Wang <yu1.wang@intel.com>
ACRN Device Model ################# Introduction ============ The ACRN Device Model provides **device sharing** capabilities between the Service OS and Guest OSs. It is a component that is used in conjunction with the `ACRN Hypervisor`_ and this is installed within the Service OS. You can find out more about Project ACRN on the `Project ACRN documentation`_ website. .. _`ACRN Hypervisor`: https://github.com/projectacrn/acrn-hypervisor .. _`Project ACRN documentation`: https://projectacrn.github.io/