svn commit: r343948 - stable/11/sys/kern

[Konstantin Belousov]

Author: kib
Date: Sun Feb 10 05:42:01 2019
New Revision: 343948
URL: https://svnweb.freebsd.org/changeset/base/343948

Log:
  MFC r343724:
  Do not call PHOLD() while owning the allproc_lock sx.

Modified:
  stable/11/sys/kern/kern_proc.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/kern_proc.c
==============================================================================
--- stable/11/sys/kern/kern_proc.c	Sun Feb 10 05:40:28 2019	(r343947)
+++ stable/11/sys/kern/kern_proc.c	Sun Feb 10 05:42:01 2019	(r343948)
@@ -3079,8 +3079,8 @@ allproc_loop:
 			PROC_UNLOCK(p);
 			continue;
 		}
-		_PHOLD(p);
 		sx_xunlock(&allproc_lock);
+		_PHOLD(p);
 		r = thread_single(p, SINGLE_ALLPROC);
 		if (r != 0)
 			restart = true;