summaryrefslogtreecommitdiffstats
path: root/sys/kern/kern_subr.c
diff options
context:
space:
mode:
authorjeff <jeff@FreeBSD.org>2007-06-05 00:00:57 +0000
committerjeff <jeff@FreeBSD.org>2007-06-05 00:00:57 +0000
commit91d150179059555ef497f4b5b5a560fdb24e472f (patch)
tree6727b982fa0d93b8aafab313bdc797aee9e314d2 /sys/kern/kern_subr.c
parent8297f778b9d0a595a99ca58d332ab4111b636019 (diff)
downloadFreeBSD-src-91d150179059555ef497f4b5b5a560fdb24e472f.zip
FreeBSD-src-91d150179059555ef497f4b5b5a560fdb24e472f.tar.gz
Commit 14/14 of sched_lock decomposition.
- Use thread_lock() rather than sched_lock for per-thread scheduling sychronization. - Use the per-process spinlock rather than the sched_lock for per-process scheduling synchronization. Tested by: kris, current@ Tested on: i386, amd64, ULE, 4BSD, libthr, libkse, PREEMPTION, etc. Discussed with: kris, attilio, kmacy, jhb, julian, bde (small parts each)
Diffstat (limited to 'sys/kern/kern_subr.c')
-rw-r--r--sys/kern/kern_subr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/kern_subr.c b/sys/kern/kern_subr.c
index 8dc207e..2101026 100644
--- a/sys/kern/kern_subr.c
+++ b/sys/kern/kern_subr.c
@@ -453,11 +453,11 @@ uio_yield(void)
struct thread *td;
td = curthread;
- mtx_lock_spin(&sched_lock);
DROP_GIANT();
+ thread_lock(td);
sched_prio(td, td->td_user_pri);
mi_switch(SW_INVOL, NULL);
- mtx_unlock_spin(&sched_lock);
+ thread_unlock(td);
PICKUP_GIANT();
}
OpenPOWER on IntegriCloud