diff options
| -rw-r--r-- | kernel/rcutree.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 916f42b39f1e..8105271fc10e 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -680,6 +680,15 @@ __rcu_process_gp_end(struct rcu_state *rsp, struct rcu_node *rnp, struct rcu_dat rdp->completed = rnp->completed; /* + * If we were in an extended quiescent state, we may have + * missed some grace periods that others CPUs took care on + * our behalf. Catch up with this state to avoid noting + * spurious new grace periods. + */ + if (rdp->completed > rdp->gpnum) + rdp->gpnum = rdp->completed; + + /* * If another CPU handled our extended quiescent states and * we have no more grace period to complete yet, then stop * chasing quiescent states. |