rcu: Fix missing TICK_DEP_MASK_RCU_EXP dependency check
authorZqiang <qiang1.zhang@intel.com>
Tue, 20 Dec 2022 14:16:25 +0000 (22:16 +0800)
committerJoel Fernandes (Google) <joel@joelfernandes.org>
Wed, 5 Apr 2023 13:47:43 +0000 (13:47 +0000)
commitdb7b464df9d820186e98a65aa6a10f0d51fbf8ce
tree2111fa86364807b46cfdba6146033e24d3dbc44a
parente22abe180cd8ccf12eb68e7c40f99c33fb48a9ce
rcu: Fix missing TICK_DEP_MASK_RCU_EXP dependency check

This commit adds checks for the TICK_DEP_MASK_RCU_EXP bit, thus enabling
RCU expedited grace periods to actually force-enable scheduling-clock
interrupts on holdout CPUs.

Fixes: df1e849ae455 ("rcu: Enable tick for nohz_full CPUs slow to provide expedited QS")
Signed-off-by: Zqiang <qiang1.zhang@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Anna-Maria Behnsen <anna-maria@linutronix.de>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
include/trace/events/timer.h
kernel/time/tick-sched.c