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Searched refs:qsmask (Results 1 – 8 of 8) sorted by relevance

/linux/include/trace/events/
H A Drcu.h150 int grplo, int grphi, unsigned long qsmask),
152 TP_ARGS(rcuname, gp_seq, level, grplo, grphi, qsmask),
160 __field(unsigned long, qsmask)
169 __entry->qsmask = qsmask;
174 __entry->grplo, __entry->grphi, __entry->qsmask)
371 unsigned long mask, unsigned long qsmask,
374 TP_ARGS(rcuname, gp_seq, mask, qsmask, level, grplo, grphi, gp_tasks),
380 __field(unsigned long, qsmask)
391 __entry->qsmask = qsmask;
400 __entry->mask, __entry->qsmask, __entry->level,
/linux/kernel/rcu/
H A Dtree_stall.h410 if (!(data_race(rnp->qsmask) & leaf_node_cpu_bit(rnp, cpu))) in rcu_dump_cpu_stacks()
413 if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) { in rcu_dump_cpu_stacks()
591 } else if (!(data_race(READ_ONCE(rdp->mynode->qsmask)) & rdp->grpmask)) { in rcu_check_gp_kthread_starvation()
660 if (rnp->qsmask != 0) { in print_other_cpu_stall()
662 if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) { in print_other_cpu_stall()
693 data_race(READ_ONCE(rcu_get_root()->qsmask))); in print_other_cpu_stall()
836 self_detected = READ_ONCE(rnp->qsmask) & rdp->grpmask; in check_cpu_stall()
903 if (data_race(READ_ONCE(rnp->qsmask))) { in rcu_check_boost_fail()
915 if (!rnp->qsmask) { in rcu_check_boost_fail()
922 if (rnp->qsmask & (1UL << (cpu - rnp->grplo))) { in rcu_check_boost_fail()
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H A Dtree_plugin.h167 (rnp->qsmask & rdp->grpmask ? RCU_GP_BLKD : 0) + in rcu_preempt_ctxt_queue()
175 WARN_ON_ONCE(rnp->qsmaskinitnext & ~rnp->qsmaskinit & rnp->qsmask & in rcu_preempt_ctxt_queue()
261 !(rnp->qsmask & rdp->grpmask)); in rcu_preempt_ctxt_queue()
351 (rnp->qsmask & rdp->grpmask) in rcu_note_context_switch()
538 (!empty_norm || rnp->qsmask)); in rcu_preempt_deferred_qs_irqrestore()
566 0, rnp->qsmask, in rcu_preempt_deferred_qs_irqrestore()
728 ((rdp->grpmask & READ_ONCE(rnp->qsmask)) || t->rcu_blocked_node)) in rcu_unlock_needs_exp_handling()
826 WARN_ON_ONCE(rnp->qsmask); in rcu_preempt_check_blocked_tasks()
907 __func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext); in dump_blkd_tasks()
1085 WARN_ON_ONCE(rnp->qsmask); in rcu_preempt_check_blocked_tasks()
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H A Dtree.c902 …__func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext, rnp1->rc… in rcu_watching_snap_recheck()
1291 rdp->core_needs_qs = !!(rnp->qsmask & rdp->grpmask); in __note_gp_changes()
1303 need_qs = !!(rnp->qsmask & rdp->grpmask); in __note_gp_changes()
1986 rnp->qsmask = rnp->qsmaskinit; in rcu_gp_init()
1993 rnp->grphi, rnp->qsmask); in rcu_gp_init()
2000 mask = rnp->qsmask & ~rnp->qsmaskinitnext; in rcu_gp_init()
2046 if (!READ_ONCE(rnp->qsmask) && !rcu_preempt_blocked_readers_cgp(rnp)) in rcu_gp_fqs_check_wake()
2136 if (!READ_ONCE(rnp->qsmask) && in rcu_gp_fqs_loop()
2221 WARN_ON_ONCE(rnp->qsmask); in rcu_gp_cleanup()
2383 if ((!(rnp->qsmask & mask) && mask) || rnp->gp_seq != gps) { in rcu_report_qs_rnp()
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H A Dtree.h48 unsigned long qsmask; /* CPUs or groups that need to switch in */ member
/linux/Documentation/RCU/Design/Data-Structures/
H A DData-Structures.rst308 | 3. But rnp->qsmask isn't initialized yet (happens later in |
311 | needs to report quiescent state (no qsmask), update rdp->gp_seq, |
318 | updates the root node's gp_seq and qsmask together under the same lock|
458 1 unsigned long qsmask;
463 The ``->qsmask`` field tracks which of this ``rcu_node`` structure's
477 This mask is used to initialize ``->qsmask``, and ``->expmaskinit`` is
668 number of bits in the ``->qsmask`` field on a 64-bit system, results in
848 The ``->grpmask`` field indicates the bit in the ``->mynode->qsmask``
/linux/Documentation/RCU/Design/Memory-Ordering/
H A DTree-RCU-Memory-Ordering.rst463 diagram, clearing bits from each ``rcu_node`` structure's ``->qsmask``
477 structure's ``->qsmask`` field.
/linux/Documentation/RCU/Design/Requirements/
H A DRequirements.rst1997 rnp->qsmask = rnp->qsmaskinit;
2039 rnp->qsmask = rnp->qsmaskinit
2040 mask = rnp->qsmask & ~rnp->qsmaskinitnext
2082 rnp->qsmask = rnp->qsmaskinit; // Apply the snapshot
2085 mask = rnp->qsmask & ~rnp->qsmaskinitnext;