[src/trunk]: src/sys/arch/xen/xen xennetback(4): Omit needless membars in xen...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/446bf367909a
branches:  trunk
changeset: 373721:446bf367909a
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Feb 25 00:34:36 2023 +0000

description:
xennetback(4): Omit needless membars in xennetback_connect.

xneti is a private data structure to which we have exclusive access
here; ordering the stores doesn't make sense.

diffstat:

 sys/arch/xen/xen/xennetback_xenbus.c |  6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diffs (28 lines):

diff -r 0c0b4f9cf490 -r 446bf367909a sys/arch/xen/xen/xennetback_xenbus.c
--- a/sys/arch/xen/xen/xennetback_xenbus.c      Sat Feb 25 00:34:25 2023 +0000
+++ b/sys/arch/xen/xen/xennetback_xenbus.c      Sat Feb 25 00:34:36 2023 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: xennetback_xenbus.c,v 1.110 2023/02/25 00:34:25 riastradh Exp $      */
+/*      $NetBSD: xennetback_xenbus.c,v 1.111 2023/02/25 00:34:36 riastradh Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.110 2023/02/25 00:34:25 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.111 2023/02/25 00:34:36 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -497,9 +497,7 @@
                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,