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This patch is to emulate VMCLEAR instruction. L1 hypervisor issues VMCLEAR on a VMCS12 whose state could be any of these: active and current, active but not current, not yet VMPTRLDed. To emulate the VMCLEAR instruction, ACRN sets the VMCS12 launch state to "clear", and if L0 already cached this VMCS12, need to sync it back to guest memory: - sync shadow fields from shadow VMCS VMCS to cache VMCS12 - copy cache VMCS12 to L1 guest memory Tracked-On: #5923 Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com> Signed-off-by: Zide Chen <zide.chen@intel.com> |
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arch/x86/asm | ||
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