On Fri, Mar 07, 2025 at 08:32:20AM -0800, Dave Hansen wrote: > On 3/7/25 07:58, Florent Revest wrote: > > One thing I'm not entirely sure about is that > > for_each_node_with_cpus() is implemented on top of > > for_each_online_node(). This differs from the current code which uses > > for_each_node(). I can't tell if iterating over offline nodes is a bug You better not have offlined nodes when applying microcode. The path you're landing in here has already hotplug disabled, tho. > > or a feature of load_microcode_amd() so this would be an extra change > > to the business logic which I can't really explain/justify. > > Actually, the per-node caches seem to have gone away at some point too. > Boris would know the history. This might need a a cleanup like Boris > alluded to in 05e91e7211383. This might not even need a nid loop. Nah, the cache is still there. For now... for_each_node_with_cpus() should simply work unless I'm missing some other angle... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette