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

/linux/kernel/rcu/
H A Dtree_stall.h958 (long)data_race(READ_ONCE(rcu_get_root()->gp_seq_needed)), in show_rcu_gp_kthreads()
962 if (ULONG_CMP_GE(READ_ONCE(rcu_state.gp_seq), READ_ONCE(rnp->gp_seq_needed)) && in show_rcu_gp_kthreads()
969 (long)data_race(READ_ONCE(rnp->gp_seq_needed)), in show_rcu_gp_kthreads()
982 READ_ONCE(rdp->gp_seq_needed))) in show_rcu_gp_kthreads()
985 cpu, (long)data_race(READ_ONCE(rdp->gp_seq_needed))); in show_rcu_gp_kthreads()
1012 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
1025 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
1039 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
H A Dtree.c1036 if (ULONG_CMP_GE(rnp->gp_seq_needed, gp_seq_req) || in rcu_start_this_gp()
1044 WRITE_ONCE(rnp->gp_seq_needed, gp_seq_req); in rcu_start_this_gp()
1078 if (ULONG_CMP_LT(gp_seq_req, rnp->gp_seq_needed)) { in rcu_start_this_gp()
1079 WRITE_ONCE(rnp_start->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
1080 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
1096 needmore = ULONG_CMP_LT(rnp->gp_seq, rnp->gp_seq_needed); in rcu_future_gp_cleanup()
1098 rnp->gp_seq_needed = rnp->gp_seq; /* Avoid counter wrap. */ in rcu_future_gp_cleanup()
1197 if (!READ_ONCE(rdp->gpwrap) && ULONG_CMP_GE(rdp->gp_seq_needed, c)) { in rcu_accelerate_cbs_unlocked()
1313 if (ULONG_CMP_LT(rdp->gp_seq_needed, rnp->gp_seq_needed) || rdp->gpwrap) in __note_gp_changes()
1314 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in __note_gp_changes()
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H A Dtree.h46 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
192 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
/linux/Documentation/RCU/Design/Data-Structures/
H A DData-Structures.rst417 2 unsigned long gp_seq_needed;
428 The ``->gp_seq_needed`` fields record the furthest-in-the-future grace
431 equals or exceeds that of the ``->gp_seq_needed`` field.
442 | No, because if the ``->gp_seq_needed`` field lags behind the |
443 | ``->gp_seq`` field, the ``->gp_seq_needed`` field will be updated at |
863 2 unsigned long gp_seq_needed;
870 ``->gp_seq_needed`` field is the counterpart of the field of the same