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| author | davidxu <davidxu@FreeBSD.org> | 2003-04-21 14:42:04 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2003-04-21 14:42:04 +0000 |
| commit | d5ff3e991d4c478f58ae8e59672ac12af47d58ae (patch) | |
| tree | 3883b3769c9c6154638adbf188670165e4bc9b34 /sys/kern/kern_thread.c | |
| parent | 6d1b148a91ae695db0154d852b8e5fdf101578a3 (diff) | |
| download | FreeBSD-src-d5ff3e991d4c478f58ae8e59672ac12af47d58ae.zip FreeBSD-src-d5ff3e991d4c478f58ae8e59672ac12af47d58ae.tar.gz | |
Fix lock order reversal problem.
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 18c097f..6ccb19c 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -1867,13 +1867,12 @@ thread_single(int force_exit) * In the mean time we suspend as well. */ thread_suspend_one(td); - /* XXX If you recursed this is broken. */ - mtx_unlock(&Giant); + DROP_GIANT(); PROC_UNLOCK(p); p->p_stats->p_ru.ru_nvcsw++; mi_switch(); mtx_unlock_spin(&sched_lock); - mtx_lock(&Giant); + PICKUP_GIANT(); PROC_LOCK(p); } if (force_exit == SINGLE_EXIT) { |
