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i386/tdx: Finalize TDX VM

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Invoke KVM_TDX_FINALIZE_VM to finalize the TD's measurement and make
the TD vCPUs runnable once machine initialization is complete.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-27-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2025-05-08 10:59:32 -04:00 • committed by Paolo Bonzini
parent 41f7fd2207
commit ae60ff4e9f
1 changed files with 3 additions and 0 deletions
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3
target/i386/kvm/tdx.c
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@ -353,6 +353,9 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused)
*/
ram_block = tdx_guest->tdvf_mr->ram_block;
ram_block_discard_range(ram_block, 0, ram_block->max_length);
tdx_vm_ioctl(KVM_TDX_FINALIZE_VM, 0, NULL, &error_fatal);
CONFIDENTIAL_GUEST_SUPPORT(tdx_guest)->ready = true;
}
static Notifier tdx_machine_done_notify = {