> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Sent: Monday, November 21, 2022 10:38 PM > /** > --- a/include/linux/msi_api.h > +++ b/include/linux/msi_api.h > @@ -15,6 +15,7 @@ struct device; > */ > enum msi_domain_ids { > MSI_DEFAULT_DOMAIN, > + MSI_SECONDARY_DOMAIN, > MSI_MAX_DEVICE_IRQDOMAINS, SECONDARY or be explicit IMS? Are we envisioning non-IMS usages to occupy this slot in the future?