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Add a WITNESS_WARN() to uiomove() to whine if locks are held when this

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function is called.

MFC after:	1 month
This commit is contained in:
John Baldwin 2004-10-12 18:27:14 +00:00
parent 00fcf9d12d
commit c7836018ea
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=136444
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_subr.c
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@ -138,6 +138,8 @@ uiomove(void *cp, int n, struct uio *uio)
("uiomove: mode"));
KASSERT(uio->uio_segflg != UIO_USERSPACE || uio->uio_td == curthread,
("uiomove proc"));
WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL,
"Calling uiomove()");
save = td->td_pflags & TDP_DEADLKTREAT;
td->td_pflags |= TDP_DEADLKTREAT;