Remove epoch tracker from struct thread. It was an ugly crutch to emulate
locking semantics for if_addr_rlock() and if_maddr_rlock().
This commit is contained in:
parent
19e09f447f
commit
279b9aabe3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=353869
@ -514,7 +514,6 @@ proc0_init(void *dummy __unused)
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td->td_pflags = TDP_KTHREAD;
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td->td_cpuset = cpuset_thread0();
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td->td_domain.dr_policy = td->td_cpuset->cs_domain;
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epoch_thread_init(td);
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prison0_init();
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p->p_peers = 0;
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p->p_leader = p;
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@ -273,7 +273,6 @@ thread_init(void *mem, int size, int flags)
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td->td_rlqe = NULL;
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EVENTHANDLER_DIRECT_INVOKE(thread_init, td);
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umtx_thread_init(td);
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epoch_thread_init(td);
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td->td_kstack = 0;
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td->td_sel = NULL;
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return (0);
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@ -293,7 +292,6 @@ thread_fini(void *mem, int size)
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turnstile_free(td->td_turnstile);
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sleepq_free(td->td_sleepqueue);
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umtx_thread_fini(td);
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epoch_thread_fini(td);
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seltdfini(td);
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}
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@ -842,17 +842,3 @@ epoch_drain_callbacks(epoch_t epoch)
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PICKUP_GIANT();
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}
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void
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epoch_thread_init(struct thread *td)
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{
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td->td_et = malloc(sizeof(struct epoch_tracker), M_EPOCH, M_WAITOK);
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}
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void
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epoch_thread_fini(struct thread *td)
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{
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free(td->td_et, M_EPOCH);
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}
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@ -93,8 +93,5 @@ void epoch_trace_list(struct thread *);
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void epoch_enter(epoch_t epoch);
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void epoch_exit(epoch_t epoch);
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void epoch_thread_init(struct thread *);
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void epoch_thread_fini(struct thread *);
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#endif /* _KERNEL */
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#endif /* _SYS_EPOCH_H_ */
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@ -365,7 +365,6 @@ struct thread {
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int td_lastcpu; /* (t) Last cpu we were on. */
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int td_oncpu; /* (t) Which cpu we are on. */
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void *td_lkpi_task; /* LinuxKPI task struct pointer */
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struct epoch_tracker *td_et; /* (k) compat KPI spare tracker */
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int td_pmcpend;
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#ifdef EPOCH_TRACE
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SLIST_HEAD(, epoch_tracker) td_epochs;
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