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HvFlushVirtualAddressListEx

  • Article

The HvFlushVirtualAddressListEx hypercall is similar to HvCallFlushVirtualAddressList, but can take a variably-sized sparse VP set as an input. The following checks should be used to infer the availability of this hypercall:

  • ExProcessorMasks must be indicated via CPUID leaf 0x40000004.

Interface

HV_STATUS
HvCallFlushVirtualAddressListEx(
   _In_ HV_ADDRESS_SPACE_ID AddressSpace,
   _In_ HV_FLUSH_FLAGS Flags,
   _In_ HV_VP_SET ProcessorSet,
   _Inout_ PUINT32 GvaCount,
   _In_reads_(GvaCount) PCHV_GVA GvaRangeList
   );

Call Code

0x0014 (Rep)

Input Parameters

Name Offset Size Information Provided
AddressSpace 0 8 Specifies an address space ID (a CR3 value).
Flags 8 8 Set of flag bits that modify the operation of the flush.
ProcessorSet 16 Variable Processor set indicating which processors should be affected by the flush operation.

Input List Element

Name Offset Size Information Provided
GvaRange 0 8 GVA range

See also

HV_VP_SET