Laszlo, Jordan,
When launching QEMU in Q35 target mode, when writing to IO port 0xB2,
the accordingly SMI STS bit (PmBase + 0x34, BIT5) is not set.

Is it a QEMU's bug?
I do find comments in OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c:
SmmControl2DxeClear():
---------------- COMMENTS ------
In fact QEMU automatically deasserts CPU_INTERRUPT_SMI in:
- x86_cpu_exec_interrupt() and
- kvm_arch_pre_run()


Regards,
Ray

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