On Thu, May 12, 2022 at 11:17:55AM +0800, Xiaoyao Li wrote: > Legacy PIC (8259) cannot be supported for TDX VMs since TDX module > doesn't allow directly interrupt injection. Using posted interrupts > for the PIC is not a viable option as the guest BIOS/kernel will not > do EOI for PIC IRQs, i.e. will leave the vIRR bit set. > > Hence disable PIC for TDX VMs and error out if user wants PIC. Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>