Le Wed, Jun 24, 2026 at 06:23:43AM -0700, Puranjay Mohan a écrit : > The polled grace-period state structure rcu_gp_oldstate holds a snapshot > of the normal (and, on SMP, expedited) grace-period sequence numbers. > Upcoming changes store this structure in the callback segment list, where > the "oldstate" name reads poorly: there it represents the grace period a > segment is waiting on and is also compared against the current > grace-period state. > > Rename struct rcu_gp_oldstate to the more neutral struct rcu_gp_seq, and > shorten its members rgos_norm and rgos_exp to norm and exp. Local > variables and parameters of this type are renamed from rgosp/rgos to > gsp/gs accordingly. > > While at it, provide a single definition of the structure in rcupdate.h > rather than separate Tiny-RCU and Tree-RCU definitions, and give it the > ->exp field unconditionally. Tiny RCU does not track expedited grace > periods and leaves ->exp unused, but a single definition that always has > ->exp lets the shared callback code in rcu_segcblist.c reference it > without CONFIG_SMP guards, including on !SMP builds. > > No functional change. > > Signed-off-by: Puranjay Mohan <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]> -- Frederic Weisbecker SUSE Labs
