Author: mjg
Date: Sat Feb 17 09:03:11 2018
New Revision: 329449
URL: https://svnweb.freebsd.org/changeset/base/329449
Log:
exit: stop doing PROC_SLOCK just to call proc_reap
It immediately does PROC_SUNLOCK anyway and the lock plays no role.
Modified:
head/sys/kern/kern_exit.c
Modified: head/sys/kern/kern_exit.c
==============================================================================
--- head/sys/kern/kern_exit.c Sat Feb 17 08:48:45 2018 (r329448)
+++ head/sys/kern/kern_exit.c Sat Feb 17 09:03:11 2018 (r329449)
@@ -817,12 +817,10 @@ proc_reap(struct thread *td, struct proc *p, int *stat
sx_assert(&proctree_lock, SA_XLOCKED);
PROC_LOCK_ASSERT(p, MA_OWNED);
- PROC_SLOCK_ASSERT(p, MA_OWNED);
KASSERT(p->p_state == PRS_ZOMBIE, ("proc_reap: !PRS_ZOMBIE"));
q = td->td_proc;
- PROC_SUNLOCK(p);
if (status)
*status = KW_EXITCODE(p->p_xexit, p->p_xsig);
if (options & WNOWAIT) {
@@ -1090,7 +1088,6 @@ proc_to_reap(struct thread *td, struct proc *p, idtype
}
if (p->p_state == PRS_ZOMBIE && !check_only) {
- PROC_SLOCK(p);
proc_reap(td, p, status, options);
return (-1);
}
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