Author: mjg
Date: Sat Nov 25 20:49:27 2017
New Revision: 326200
URL: https://svnweb.freebsd.org/changeset/base/326200
Log:
Add the missing lockstat check for thread lock.
Modified:
head/sys/kern/kern_mutex.c
Modified: head/sys/kern/kern_mutex.c
==============================================================================
--- head/sys/kern/kern_mutex.c Sat Nov 25 20:37:13 2017 (r326199)
+++ head/sys/kern/kern_mutex.c Sat Nov 25 20:49:27 2017 (r326200)
@@ -834,6 +834,8 @@ _thread_lock(struct thread *td)
tid = (uintptr_t)curthread;
+ if (__predict_false(LOCKSTAT_PROFILE_ENABLED(spin__acquire)))
+ goto slowpath_noirq;
spinlock_enter();
m = td->td_lock;
thread_lock_validate(m, 0, file, line);
@@ -855,7 +857,12 @@ _thread_lock(struct thread *td)
_mtx_release_lock_quick(m);
slowpath_unlocked:
spinlock_exit();
+slowpath_noirq:
+#if LOCK_DEBUG > 0
+ thread_lock_flags_(td, opts, file, line);
+#else
thread_lock_flags_(td, 0, 0, 0);
+#endif
}
#endif
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