Konstantin Belousov wrote: >Author: kib >Date: Fri Feb 23 18:26:31 2018 >New Revision: 329875 >URL: https://svnweb.freebsd.org/changeset/base/329875 > >Log: > Restore UP build. > > Reviewed by: truckman > Sponsored by: The FreeBSD Foundation > >Modified: > head/sys/kern/sched_ule.c > >Modified: head/sys/kern/sched_ule.c >============================================================================== >--- head/sys/kern/sched_ule.c Fri Feb 23 18:18:42 2018 (r329874) >+++ head/sys/kern/sched_ule.c Fri Feb 23 18:26:31 2018 (r329875) >@@ -1864,6 +1864,7 @@ sched_lend_user_prio(struct thread *td, u_char prio) > td->td_flags |= TDF_NEEDRESCHED; > } > >+#ifdef SMP > /* > * This tdq is about to idle. Try to steal a thread from another CPU before > * choosing the idle thread. >@@ -1945,6 +1946,7 @@ tdq_trysteal(struct tdq *tdq) > } > spinlock_exit(); >} >+#endif > > /* > * Handle migration from sched_switch(). This happens only for >@@ -2058,8 +2060,10 @@ sched_switch(struct thread *td, struct thread *newtd, > TDQ_LOCK(tdq); > mtx = thread_lock_block(td); > tdq_load_rem(tdq, td); >+#ifdef SMP > if (tdq->tdq_load == 0) Since the function isn't called for UP, should this "if" also check for ncpus > 1 by any chance? (I know nothing about ULE, so please ignore this if it doesn't make sense;-) > tdq_trysteal(tdq); >+#endif > } > > #if (KTR_COMPILE & KTR_SCHED) != 0
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