Module Name: src
Committed By: ozaki-r
Date: Mon Jan 23 02:32:54 UTC 2017
Modified Files:
src/sys/net: pfil.c
Log Message:
Call pserialize_perform and psref_target_destroy only if NET_MPSAFE
They shouldn't be used with holding softnet_lock.
To generate a diff of this commit:
cvs rdiff -u -r1.33 -r1.34 src/sys/net/pfil.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/pfil.c
diff -u src/sys/net/pfil.c:1.33 src/sys/net/pfil.c:1.34
--- src/sys/net/pfil.c:1.33 Mon Jan 23 02:30:47 2017
+++ src/sys/net/pfil.c Mon Jan 23 02:32:54 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: pfil.c,v 1.33 2017/01/23 02:30:47 ozaki-r Exp $ */
+/* $NetBSD: pfil.c,v 1.34 2017/01/23 02:32:54 ozaki-r Exp $ */
/*
* Copyright (c) 2013 Mindaugas Rasiukevicius <rmind at NetBSD org>
@@ -28,7 +28,11 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pfil.c,v 1.33 2017/01/23 02:30:47 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pfil.c,v 1.34 2017/01/23 02:32:54 ozaki-r Exp $");
+
+#if defined(_KERNEL_OPT)
+#include "opt_net_mpsafe.h"
+#endif
#include <sys/param.h>
#include <sys/systm.h>
@@ -230,11 +234,15 @@ pfil_list_add(pfil_listset_t *phlistset,
/* switch from oldlist to newlist */
phlistset->active = newlist;
membar_producer();
+#ifdef NET_MPSAFE
pserialize_perform(pfil_psz);
+#endif
mutex_exit(&pfil_mtx);
/* Wait for all readers */
+#ifdef NET_MPSAFE
psref_target_destroy(&oldlist->psref, pfil_psref_class);
+#endif
return 0;
}
@@ -330,11 +338,15 @@ pfil_list_remove(pfil_listset_t *phlists
/* switch from oldlist to newlist */
phlistset->active = newlist;
membar_producer();
+#ifdef NET_MPSAFE
pserialize_perform(pfil_psz);
+#endif
mutex_exit(&pfil_mtx);
/* Wait for all readers */
+#ifdef NET_MPSAFE
psref_target_destroy(&oldlist->psref, pfil_psref_class);
+#endif
return 0;
}