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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. Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250508150002.689633-38-xiaoyao.li@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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