There are two checks for an online CPU if two if() conditions. This commit simplies this by replacing it with only one check for the online CPU.
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com> --- kernel/rcu/tree.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 5dcbf36..8d598a2 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2602,15 +2602,18 @@ static void __call_rcu_core(struct rcu_state *rsp, struct rcu_data *rdp, { bool needwake; + if (!cpu_online(smp_processor_id())) + return; + /* * If called from an extended quiescent state, invoke the RCU * core in order to force a re-evaluation of RCU's idleness. */ - if (!rcu_is_watching() && cpu_online(smp_processor_id())) + if (!rcu_is_watching()) invoke_rcu_core(); - /* If interrupts were disabled or CPU offline, don't invoke RCU core. */ - if (irqs_disabled_flags(flags) || cpu_is_offline(smp_processor_id())) + /* If interrupts were disabled, don't invoke RCU core. */ + if (irqs_disabled_flags(flags)) return; /* -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/