svn commit: r340733 - in head/sys: kern sys

[Mark Johnston]

Author: markj
Date: Wed Nov 21 17:28:10 2018
New Revision: 340733
URL: https://svnweb.freebsd.org/changeset/base/340733

Log:
  Remove KN_HASKQLOCK.
  
  It is a write-only flag whose last use was removed in r302235.
  
  No functional change intended.
  
  Reviewed by:	kib
  MFC after:	1 week
  Sponsored by:	The FreeBSD Foundation
  Differential Revision:	https://reviews.freebsd.org/D18059

Modified:
  head/sys/kern/kern_event.c
  head/sys/sys/event.h

Modified: head/sys/kern/kern_event.c
==============================================================================
--- head/sys/kern/kern_event.c	Wed Nov 21 17:22:31 2018	(r340732)
+++ head/sys/kern/kern_event.c	Wed Nov 21 17:28:10 2018	(r340733)
@@ -549,10 +549,8 @@ knote_fork(struct knlist *list, int pid)
 		 * The same as knote(), activate the event.
 		 */
 		if ((kn->kn_sfflags & NOTE_TRACK) == 0) {
-			kn->kn_status |= KN_HASKQLOCK;
 			if (kn->kn_fop->f_event(kn, NOTE_FORK))
 				KNOTE_ACTIVATE(kn, 1);
-			kn->kn_status &= ~KN_HASKQLOCK;
 			KQ_UNLOCK(kq);
 			continue;
 		}
@@ -2272,10 +2270,8 @@ knote(struct knlist *list, long hint, int lockflags)
 				KNOTE_ACTIVATE(kn, 1);
 			KQ_UNLOCK_FLUX(kq);
 		} else {
-			kn->kn_status |= KN_HASKQLOCK;
 			if (kn->kn_fop->f_event(kn, hint))
 				KNOTE_ACTIVATE(kn, 1);
-			kn->kn_status &= ~KN_HASKQLOCK;
 			KQ_UNLOCK(kq);
 		}
 	}

Modified: head/sys/sys/event.h
==============================================================================
--- head/sys/sys/event.h	Wed Nov 21 17:22:31 2018	(r340732)
+++ head/sys/sys/event.h	Wed Nov 21 17:28:10 2018	(r340733)
@@ -294,7 +294,6 @@ struct knote {
 #define KN_DETACHED	0x08			/* knote is detached */
 #define KN_MARKER	0x20			/* ignore this knote */
 #define KN_KQUEUE	0x40			/* this knote belongs to a kq */
-#define KN_HASKQLOCK	0x80			/* for _inevent */
 #define	KN_SCAN		0x100			/* flux set in kqueue_scan() */
 	int			kn_influx;
 	int			kn_sfflags;	/* saved filter flags */