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

/linux-6.15/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-6.15/kernel/rcu/
H A Dtree_stall.h352 if (!(data_race(rnp->qsmask) & leaf_node_cpu_bit(rnp, cpu))) in rcu_dump_cpu_stacks()
355 if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) { in rcu_dump_cpu_stacks()
534 } else if (!(data_race(READ_ONCE(rdp->mynode->qsmask)) & rdp->grpmask)) { in rcu_check_gp_kthread_starvation()
601 if (rnp->qsmask != 0) { in print_other_cpu_stall()
603 if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) { in print_other_cpu_stall()
633 data_race(READ_ONCE(rcu_get_root()->qsmask))); in print_other_cpu_stall()
775 self_detected = READ_ONCE(rnp->qsmask) & rdp->grpmask; in check_cpu_stall()
838 if (data_race(READ_ONCE(rnp->qsmask))) { in rcu_check_boost_fail()
850 if (!rnp->qsmask) { in rcu_check_boost_fail()
857 if (rnp->qsmask & (1UL << (cpu - rnp->grplo))) { in rcu_check_boost_fail()
[all …]
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()
535 (!empty_norm || rnp->qsmask)); in rcu_preempt_deferred_qs_irqrestore()
564 0, rnp->qsmask, in rcu_preempt_deferred_qs_irqrestore()
659 ((rdp->grpmask & READ_ONCE(rnp->qsmask)) || t->rcu_blocked_node)) || in rcu_read_unlock_special()
721 WARN_ON_ONCE(rnp->qsmask); in rcu_preempt_check_blocked_tasks()
804 __func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext); in dump_blkd_tasks()
978 WARN_ON_ONCE(rnp->qsmask); in rcu_preempt_check_blocked_tasks()
[all …]
H A Dtree.c1926 rnp->qsmask = rnp->qsmaskinit; in rcu_gp_init()
1933 rnp->grphi, rnp->qsmask); in rcu_gp_init()
2060 if (!READ_ONCE(rnp->qsmask) && in rcu_gp_fqs_loop()
2145 WARN_ON_ONCE(rnp->qsmask); in rcu_gp_cleanup()
2313 WRITE_ONCE(rnp->qsmask, rnp->qsmask & ~mask); in rcu_report_qs_rnp()
2315 mask, rnp->qsmask, rnp->level, in rcu_report_qs_rnp()
2365 rnp->qsmask != 0) { in rcu_report_unblock_qs_rnp()
2418 if ((rnp->qsmask & mask) == 0) { in rcu_report_qs_rdp()
2700 if (rnp->qsmask == 0) { in force_qs_rnp()
4045 WARN_ON_ONCE(rnp->qsmask); in rcu_cleanup_dead_rnp()
[all …]
H A Dtree.h48 unsigned long qsmask; /* CPUs or groups that need to switch in */ member
/linux-6.15/Documentation/RCU/Design/Data-Structures/
H A DData-Structures.rst425 1 unsigned long qsmask;
430 The ``->qsmask`` field tracks which of this ``rcu_node`` structure's
444 This mask is used to initialize ``->qsmask``, and ``->expmaskinit`` is
635 number of bits in the ``->qsmask`` field on a 64-bit system, results in
815 The ``->grpmask`` field indicates the bit in the ``->mynode->qsmask``
/linux-6.15/Documentation/RCU/
H A Dstallwarn.rst308 …_preempt kthread activity 23807 (4297905177-4297881370), jiffies_till_next_fqs=3, root ->qsmask 0x0
315 ->qsmask field is printed, which will normally be zero.
/linux-6.15/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.