Module Name:    src
Committed By:   riastradh
Date:           Fri Aug  4 18:40:36 UTC 2023

Modified Files:
        src/sys/arch/xen/xen: xennetback_xenbus.c

Log Message:
Revert "xennetback(4): Omit needless membars in xennetback_connect."

PR kern/57560


To generate a diff of this commit:
cvs rdiff -u -r1.112 -r1.113 src/sys/arch/xen/xen/xennetback_xenbus.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/arch/xen/xen/xennetback_xenbus.c
diff -u src/sys/arch/xen/xen/xennetback_xenbus.c:1.112 src/sys/arch/xen/xen/xennetback_xenbus.c:1.113
--- src/sys/arch/xen/xen/xennetback_xenbus.c:1.112	Sat Feb 25 00:37:47 2023
+++ src/sys/arch/xen/xen/xennetback_xenbus.c	Fri Aug  4 18:40:36 2023
@@ -1,4 +1,4 @@
-/*      $NetBSD: xennetback_xenbus.c,v 1.112 2023/02/25 00:37:47 riastradh Exp $      */
+/*      $NetBSD: xennetback_xenbus.c,v 1.113 2023/08/04 18:40:36 riastradh Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.112 2023/02/25 00:37:47 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.113 2023/08/04 18:40:36 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -497,7 +497,9 @@ xennetback_connect(struct xnetback_insta
 		goto err2;
 	}
 	xneti->xni_evtchn = evop.u.bind_interdomain.local_port;
+	xen_wmb();
 	xneti->xni_status = CONNECTED;
+	xen_wmb();
 
 	xneti->xni_ih = xen_intr_establish_xname(-1, &xen_pic,
 	    xneti->xni_evtchn, IST_LEVEL, IPL_NET, xennetback_evthandler,

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