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-rw-r--r--kernel/rcutree.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index ade788320dd6..c95fa89ffef9 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1911,8 +1911,6 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
1911 1911
1912 /* Set up local state, ensuring consistent view of global state. */ 1912 /* Set up local state, ensuring consistent view of global state. */
1913 raw_spin_lock_irqsave(&rnp->lock, flags); 1913 raw_spin_lock_irqsave(&rnp->lock, flags);
1914 rdp->passed_quiesce = 0; /* We could be racing with new GP, */
1915 rdp->qs_pending = 1; /* so set up to respond to current GP. */
1916 rdp->beenonline = 1; /* We have now been online. */ 1914 rdp->beenonline = 1; /* We have now been online. */
1917 rdp->preemptible = preemptible; 1915 rdp->preemptible = preemptible;
1918 rdp->qlen_last_fqs_check = 0; 1916 rdp->qlen_last_fqs_check = 0;
@@ -1937,8 +1935,15 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
1937 rnp->qsmaskinit |= mask; 1935 rnp->qsmaskinit |= mask;
1938 mask = rnp->grpmask; 1936 mask = rnp->grpmask;
1939 if (rnp == rdp->mynode) { 1937 if (rnp == rdp->mynode) {
1940 rdp->gpnum = rnp->completed; /* if GP in progress... */ 1938 /*
1939 * If there is a grace period in progress, we will
1940 * set up to wait for it next time we run the
1941 * RCU core code.
1942 */
1943 rdp->gpnum = rnp->completed;
1941 rdp->completed = rnp->completed; 1944 rdp->completed = rnp->completed;
1945 rdp->passed_quiesce = 0;
1946 rdp->qs_pending = 0;
1942 rdp->passed_quiesce_gpnum = rnp->gpnum - 1; 1947 rdp->passed_quiesce_gpnum = rnp->gpnum - 1;
1943 trace_rcu_grace_period(rsp->name, rdp->gpnum, "cpuonl"); 1948 trace_rcu_grace_period(rsp->name, rdp->gpnum, "cpuonl");
1944 } 1949 }