On Tue, Nov 15, 2022 at 01:48:47PM +0800, Jiapeng Chong wrote: > + if (vmd->irq_domain) > + vmd_set_msi_remapping(vmd, true); > + else > + vmd_set_msi_remapping(vmd, false); Why not go one step further: vmd_set_msi_remapping(vmd, !!vmd->irq_domain); ?