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According to section "Checks on Host Segment and Descriptor-Table
Registers" in Intel SDM vol 3C, the following checks are performed on
vmentry of nested guests:
- In the selector field for each of CS, SS, DS, ES, FS, GS and TR, the
RPL (bits 1:0) and the TI flag (bit 2) must be 0.
- The selector fields for CS and TR cannot be 0000H.
- The selector field for SS cannot be 0000H if the "host address-space
size" VM-exit control is 0.
- On processors that support Intel 64 architecture, the base-address
fields for FS, GS and TR must contain canonical addresses.
Signed-off-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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|---|---|---|
| .. | ||
| capabilities.h | ||
| evmcs.c | ||
| evmcs.h | ||
| nested.c | ||
| nested.h | ||
| ops.h | ||
| pmu_intel.c | ||
| vmcs12.c | ||
| vmcs12.h | ||
| vmcs_shadow_fields.h | ||
| vmcs.h | ||
| vmenter.S | ||
| vmx.c | ||
| vmx.h | ||