Re: [RFC PATCH 11/14] context-tracking: Introduce work deferral infrastructure

On Thu, Jul 06, 2023 at 12:23:57AM +0200, Frederic Weisbecker wrote:

If this is just about a dozen, can we stuff them in the state like in the
following? We can potentially add more of them especially on 64 bits we could
afford 30 different works, this is just shrinking the RCU extended quiescent
state counter space. Worst case that can happen is that RCU misses 65535
idle/user <-> kernel transitions and delays a grace period...

We can make all this a 64bit only feature and use atomic_long_t :-)