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Apart from no longer being necessary I also find that >>> having the kernel mode fully initialized *before* the hotplug handlers run >>> to be simpler. >> >> That means resctrl_set_kmode_support() will be called from the architecture layer, likely from core.c within get_rdt_alloc_resources(). >> >> The resctrl_set_kmode_support() handler would need to initialize both the default mode and all supported modes. > > I see this differently. Since resctrl_set_kmode_support() is optional for an architecture > resctrl fs can just statically initialize the defaults. resctrl_set_kmode_support() would > expand the defaults to also accommodate what the architecture supports. > Yes. We can do that. thanks Babu