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Revert an untested local change that crept in with the lo_class changes

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and subsequently broke the build.  This change is supposed to fix the
case where doing a mtx_destroy() off a spin mutex while you hold it fails.
If it had been tested I would just leave it in, but it hasn't been tested
yet, so it will have to wait until later.
This commit is contained in:
John Baldwin 2006-01-07 14:03:15 +00:00
parent d827aa478d
commit 3b783acd2a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154098
1 changed files with 0 additions and 4 deletions
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4
sys/kern/kern_mutex.c
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@ -883,10 +883,6 @@ mtx_destroy(struct mtx *m)
else {
MPASS((m->mtx_lock & (MTX_RECURSED|MTX_CONTESTED)) == 0);
/* Perform the non-mtx related part of mtx_unlock_spin(). */
if (LO_CLASSINDEX(&m->mtx_object) == LOCK_CLASS_SPIN_MUTEX)
spinlock_exit();
/* Tell witness this isn't locked to make it happy. */
WITNESS_UNLOCK(&m->mtx_object, LOP_EXCLUSIVE, __FILE__,
__LINE__);