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From: Matt Macy <mmacy@FreeBSD.org>
Date: Fri, 18 May 2018 18:48:00 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r333809 - head/sys/net
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Author: mmacy
Date: Fri May 18 18:48:00 2018
New Revision: 333809
URL: https://svnweb.freebsd.org/changeset/base/333809

Log:
  epoch(9): allocate net epochs earlier in boot

Modified:
  head/sys/net/if.c

Modified: head/sys/net/if.c
==============================================================================
--- head/sys/net/if.c	Fri May 18 18:27:17 2018	(r333808)
+++ head/sys/net/if.c	Fri May 18 18:48:00 2018	(r333809)
@@ -900,12 +900,20 @@ if_attach_internal(struct ifnet *ifp, int vmove, struc
 }
 
 static void
-if_attachdomain(void *dummy)
+if_epochalloc(void *dummy __unused)
 {
-	struct ifnet *ifp;
 
 	net_epoch_preempt = epoch_alloc(EPOCH_PREEMPT);
 	net_epoch = epoch_alloc(0);
+}
+SYSINIT(ifepochalloc, SI_SUB_TASKQ + 1, SI_ORDER_ANY,
+    if_epochalloc, NULL);
+
+static void
+if_attachdomain(void *dummy)
+{
+	struct ifnet *ifp;
+
 	TAILQ_FOREACH(ifp, &V_ifnet, if_link)
 		if_attachdomain1(ifp);
 }