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Code Issues Releases Activity

Update description of witness_watch.

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This commit is contained in:
John Baldwin 2008-09-24 18:47:24 +00:00
parent 58b1b47729
commit c1fa2e4200
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=183329
1 changed files with 5 additions and 3 deletions
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8
sys/kern/subr_witness.c
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@ -376,9 +376,11 @@ static void witness_list_lock(struct lock_instance *instance);
SYSCTL_NODE(_debug, OID_AUTO, witness, CTLFLAG_RW, 0, "Witness Locking");
/*
* If set to 0, witness is disabled. Otherwise witness performs full lock order
* checking for all locks. At runtime, witness is allowed to be turned off.
* witness is not allowed be turned on once it is turned off, however.
* If set to 0, lock order checking is disabled. If set to -1,
* witness is completely disabled. Otherwise witness performs full
* lock order checking for all locks. At runtime, lock order checking
* may be toggled. However, witness cannot be reenabled once it is
* completely disabled.
*/
static int witness_watch = 1;
TUNABLE_INT("debug.witness.watch", &witness_watch);