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That really depends on your use case. For a real-time >>> system a hard interrupt handler running longer than a few microseconds >>> can be problematic. >>> >>> So instead of adding some single purpose mechanism, can we please add >>> something flexible which can be used for a wide range of scenarios. >> the initial goal was to cover regular non-RT cores, as on isolated/tickless cores >> we should not have device interrupts. > Who is 'we'? If you refer to your use case that might be correct, but > you cannot make assumptions about the rest of the world. Real-Time > systems are as divers in setup and configuration as anything else. > > Thanks, > > tglx all right, I've updated to v2: https://lore.kernel.org/lkml/20250714084209.918-1-wladislav.wiebe@nokia.com/ Thank you for all comments! - W.W.