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| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-05-01 14:34:08 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-07-12 15:38:48 -0700 |
| commit | ff3bb6f4d06247508489345ee90a8a9b6f3ffd3b (patch) | |
| tree | 8fd31ff06ffe216116073bf18890444a27276656 /kernel/rcu/tree.h | |
| parent | rcu: Convert rcu_fqs tracepoint to ->gp_seq (diff) | |
| download | linux-dev-ff3bb6f4d06247508489345ee90a8a9b6f3ffd3b.tar.xz linux-dev-ff3bb6f4d06247508489345ee90a8a9b6f3ffd3b.zip | |
rcu: Remove ->gpnum and ->completed
Now that everything has been converted to use ->gp_seq instead of
->gpnum and ->completed, this commit removes ->gpnum and ->completed.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 9329c1ff695f..3def94fc9c74 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -81,12 +81,6 @@ struct rcu_node { raw_spinlock_t __private lock; /* Root rcu_node's lock protects */ /* some rcu_state fields as well as */ /* following. */ - unsigned long gpnum; /* Current grace period for this node. */ - /* This will either be equal to or one */ - /* behind the root rcu_node's gpnum. */ - unsigned long completed; /* Last GP completed for this node. */ - /* This will either be equal to or one */ - /* behind the root rcu_node's gpnum. */ unsigned long gp_seq; /* Track rsp->rcu_gp_seq. */ unsigned long gp_seq_needed; /* Track rsp->rcu_gp_seq_needed. */ unsigned long completedqs; /* All QSes done for this node. */ @@ -192,10 +186,6 @@ union rcu_noqs { /* Per-CPU data for read-copy update. */ struct rcu_data { /* 1) quiescent-state and grace-period handling : */ - unsigned long completed; /* Track rsp->completed gp number */ - /* in order to detect GP end. */ - unsigned long gpnum; /* Highest gp number that this CPU */ - /* is aware of having started. */ unsigned long gp_seq; /* Track rsp->rcu_gp_seq counter. */ unsigned long gp_seq_needed; /* Track rsp->rcu_gp_seq_needed ctr. */ unsigned long rcu_qs_ctr_snap;/* Snapshot of rcu_qs_ctr to check */ @@ -203,7 +193,7 @@ struct rcu_data { union rcu_noqs cpu_no_qs; /* No QSes yet for this CPU. */ bool core_needs_qs; /* Core waits for quiesc state. */ bool beenonline; /* CPU online at least once. */ - bool gpwrap; /* Possible gpnum/completed wrap. */ + bool gpwrap; /* Possible ->gp_seq wrap. */ struct rcu_node *mynode; /* This CPU's leaf of hierarchy */ unsigned long grpmask; /* Mask to apply to leaf qsmask. */ unsigned long ticks_this_gp; /* The number of scheduling-clock */ @@ -328,8 +318,6 @@ struct rcu_state { u8 boost ____cacheline_internodealigned_in_smp; /* Subject to priority boost. */ - unsigned long gpnum; /* Current gp number. */ - unsigned long completed; /* # of last completed gp. */ unsigned long gp_seq; /* Grace-period sequence #. */ struct task_struct *gp_kthread; /* Task for grace periods. */ struct swait_queue_head gp_wq; /* Where GP task waits. */ |