On Fri, Oct 13, 2023 at 01:26:08PM +0200, Frederic Weisbecker wrote: > On Tue, Oct 10, 2023 at 08:45:44AM -1000, Tejun Heo wrote: > > > +static bool respect_cpu_isolation; > > > +module_param(respect_cpu_isolation, bool, 0444); > > > +MODULE_PARM_DESC(respect_cpu_isolation, > > > + "Don't schedule blk-mq worker on isolated CPUs passed in " > > > + "isolcpus= or nohz_full=. User need to guarantee to not run " > > > + "block IO on isolated CPUs (default: false)"); > > > > Any chance we can centralize these? It's no fun to try to hunt down module > > params to opt in different subsystems and the housekeeping interface does > > have some provisions for selecting different parts. I'd much prefer to see > > these settings to be collected into a central place. > > Do we need this parameter in the first place? Shouldn't we avoid scheduling > blk-mq worker on isolated CPUs in any case? Yeah, I think this parameter isn't necessary, will remove it in V2. Thanks, Ming