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author | avg <avg@FreeBSD.org> | 2017-01-23 08:34:51 +0000 |
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committer | avg <avg@FreeBSD.org> | 2017-01-23 08:34:51 +0000 |
commit | 7d16c41cbfca369078cbaf60ac4a6b751d526c49 (patch) | |
tree | a73141af0ac8a5eb172930f145df37f2253a6e79 /sys/kern | |
parent | edf4f428274bef424d31790d40cc3d81ebdfe0f2 (diff) | |
download | FreeBSD-src-7d16c41cbfca369078cbaf60ac4a6b751d526c49.zip FreeBSD-src-7d16c41cbfca369078cbaf60ac4a6b751d526c49.tar.gz |
MFC r312426: fix a thread preemption regression in schedulers introduced
in r270423
Diffstat (limited to 'sys/kern')
-rw-r--r-- | sys/kern/sched_4bsd.c | 4 | ||||
-rw-r--r-- | sys/kern/sched_ule.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c index db23e1d..7309ae3 100644 --- a/sys/kern/sched_4bsd.c +++ b/sys/kern/sched_4bsd.c @@ -963,8 +963,8 @@ sched_switch(struct thread *td, struct thread *newtd, int flags) sched_load_rem(); td->td_lastcpu = td->td_oncpu; - preempted = !((td->td_flags & TDF_SLICEEND) || - (flags & SWT_RELINQUISH)); + preempted = (td->td_flags & TDF_SLICEEND) == 0 && + (flags & SW_PREEMPT) != 0; td->td_flags &= ~(TDF_NEEDRESCHED | TDF_SLICEEND); td->td_owepreempt = 0; td->td_oncpu = NOCPU; diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index 30aad12..53a46c9 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -1870,8 +1870,8 @@ sched_switch(struct thread *td, struct thread *newtd, int flags) ts->ts_rltick = ticks; td->td_lastcpu = td->td_oncpu; td->td_oncpu = NOCPU; - preempted = !((td->td_flags & TDF_SLICEEND) || - (flags & SWT_RELINQUISH)); + preempted = (td->td_flags & TDF_SLICEEND) == 0 && + (flags & SW_PREEMPT) != 0; td->td_flags &= ~(TDF_NEEDRESCHED | TDF_SLICEEND); td->td_owepreempt = 0; if (!TD_IS_IDLETHREAD(td)) |