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Searched refs:gp_seq_needed (Results 1 – 4 of 4) sorted by relevance

/Linux-v6.6/kernel/rcu/
Dtree_stall.h892 (long)data_race(READ_ONCE(rcu_get_root()->gp_seq_needed)), in show_rcu_gp_kthreads()
896 if (ULONG_CMP_GE(READ_ONCE(rcu_state.gp_seq), READ_ONCE(rnp->gp_seq_needed)) && in show_rcu_gp_kthreads()
903 (long)data_race(READ_ONCE(rnp->gp_seq_needed)), in show_rcu_gp_kthreads()
916 READ_ONCE(rdp->gp_seq_needed))) in show_rcu_gp_kthreads()
919 cpu, (long)data_race(READ_ONCE(rdp->gp_seq_needed))); in show_rcu_gp_kthreads()
947 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
960 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
974 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
Dtree.c942 if (ULONG_CMP_GE(rnp->gp_seq_needed, gp_seq_req) || in rcu_start_this_gp()
950 WRITE_ONCE(rnp->gp_seq_needed, gp_seq_req); in rcu_start_this_gp()
984 if (ULONG_CMP_LT(gp_seq_req, rnp->gp_seq_needed)) { in rcu_start_this_gp()
985 WRITE_ONCE(rnp_start->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
986 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
1002 needmore = ULONG_CMP_LT(rnp->gp_seq, rnp->gp_seq_needed); in rcu_future_gp_cleanup()
1004 rnp->gp_seq_needed = rnp->gp_seq; /* Avoid counter wrap. */ in rcu_future_gp_cleanup()
1103 if (!READ_ONCE(rdp->gpwrap) && ULONG_CMP_GE(rdp->gp_seq_needed, c)) { in rcu_accelerate_cbs_unlocked()
1219 if (ULONG_CMP_LT(rdp->gp_seq_needed, rnp->gp_seq_needed) || rdp->gpwrap) in __note_gp_changes()
1220 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in __note_gp_changes()
[all …]
Dtree.h50 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
182 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
/Linux-v6.6/Documentation/RCU/Design/Data-Structures/
DData-Structures.rst384 2 unsigned long gp_seq_needed;
395 The ``->gp_seq_needed`` fields record the furthest-in-the-future grace
398 equals or exceeds that of the ``->gp_seq_needed`` field.
409 | No, because if the ``->gp_seq_needed`` field lags behind the |
410 | ``->gp_seq`` field, the ``->gp_seq_needed`` field will be updated at |
830 2 unsigned long gp_seq_needed;
837 ``->gp_seq_needed`` field is the counterpart of the field of the same