On Wed, Mar 25, 2026 at 05:09:38PM +0800, Qiliang Yuan wrote: > The hardlockup detector threads are affined to CPUs based on the > HK_TYPE_TIMER housekeeping mask at boot. If this mask is updated at > runtime, these threads remain on their original CPUs, potentially > running on isolated cores. > > Synchronize watchdog thread affinity with HK_TYPE_TIMER updates.
Doesn't the normal watchdog run off of perf, using NMIs? How is that TIMER? And again, why do you think you need more than _ONE_ mask? In the end, NOHZ_FULL needs all the masks to be the same anyway. There is absolutely no sane reason to have this much configuration space.
