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

/linux-6.15/kernel/rcu/
H A Dtree_stall.h897 (long)data_race(READ_ONCE(rcu_get_root()->gp_seq_needed)), in show_rcu_gp_kthreads()
901 if (ULONG_CMP_GE(READ_ONCE(rcu_state.gp_seq), READ_ONCE(rnp->gp_seq_needed)) && in show_rcu_gp_kthreads()
908 (long)data_race(READ_ONCE(rnp->gp_seq_needed)), in show_rcu_gp_kthreads()
921 READ_ONCE(rdp->gp_seq_needed))) in show_rcu_gp_kthreads()
924 cpu, (long)data_race(READ_ONCE(rdp->gp_seq_needed))); in show_rcu_gp_kthreads()
952 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
965 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
979 READ_ONCE(rnp_root->gp_seq_needed)) || in rcu_check_gp_start_stall()
H A Dtree.c995 if (ULONG_CMP_GE(rnp->gp_seq_needed, gp_seq_req) || in rcu_start_this_gp()
1003 WRITE_ONCE(rnp->gp_seq_needed, gp_seq_req); in rcu_start_this_gp()
1037 if (ULONG_CMP_LT(gp_seq_req, rnp->gp_seq_needed)) { in rcu_start_this_gp()
1038 WRITE_ONCE(rnp_start->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
1039 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in rcu_start_this_gp()
1304 if (ULONG_CMP_LT(rdp->gp_seq_needed, rnp->gp_seq_needed) || rdp->gpwrap) in __note_gp_changes()
1305 WRITE_ONCE(rdp->gp_seq_needed, rnp->gp_seq_needed); in __note_gp_changes()
2178 trace_rcu_this_gp(rnp, rdp, rnp->gp_seq_needed, in rcu_gp_cleanup()
3334 rnp->gp_seq_needed = rnp->gp_seq = rcu_state.gp_seq; in synchronize_rcu()
4216 rdp->gp_seq_needed = rdp->gp_seq; in rcutree_prepare_cpu()
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H A Dtree.h46 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
181 unsigned long gp_seq_needed; /* Track furthest future GP request. */ member
/linux-6.15/Documentation/RCU/Design/Data-Structures/
H A 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