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| author | jhb <jhb@FreeBSD.org> | 2008-08-22 16:14:23 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2008-08-22 16:14:23 +0000 |
| commit | b908d9aa367ede3b21ad7edcde2200b3248e6ab6 (patch) | |
| tree | 7eaa93ca722924e9de69eb755ae819408ee9b039 /sys/kern/kern_lock.c | |
| parent | b68109381ea88e917112b6828f71a8e504379684 (diff) | |
| download | FreeBSD-src-b908d9aa367ede3b21ad7edcde2200b3248e6ab6.zip FreeBSD-src-b908d9aa367ede3b21ad7edcde2200b3248e6ab6.tar.gz | |
Use |= rather than += when aggregrating requests to wakeup the swapper.
What we really want is an inclusive or of all the requests, and += can
in theory roll over to 0.
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index 2f71efa..df123a5 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -499,7 +499,7 @@ __lockmgr_args(struct lock *lk, u_int flags, struct lock_object *ilk, * We have been unable to succeed in upgrading, so just * give up the shared lock. */ - wakeup_swapper += wakeupshlk(lk, file, line); + wakeup_swapper |= wakeupshlk(lk, file, line); /* FALLTHROUGH */ case LK_EXCLUSIVE: @@ -787,7 +787,7 @@ __lockmgr_args(struct lock *lk, u_int flags, struct lock_object *ilk, "%s: %p waking up all threads on the %s queue", __func__, lk, queue == SQ_SHARED_QUEUE ? "shared" : "exclusive"); - wakeup_swapper += sleepq_broadcast( + wakeup_swapper |= sleepq_broadcast( &lk->lock_object, SLEEPQ_LK, 0, queue); /* |
