On Wed, Sep 29, 2021 at 11:37:01AM -0700, Paul E. McKenney wrote: > And what happens to all of this in !CONFIG_CONTEXT_TRACKING kernels? > Of course, RCU needs it unconditionally. (There appear to be at least > parts of it that are unconditionally available, but I figured that I > should ask. Especially given the !CONFIG_CONTEXT_TRACKING definition > of the __context_tracking_cpu_seq() function.) For !CONFIG_CONTEXT_TRACKING it goes *poof*. Since the thing was called dynticks, I presumed it was actually dynticks only, silly me (also, I didn't see any obvious !context_tracking usage of it, i'll go audit it more carefully.
