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s390: add barriers to qeth driver
author
Frank Blaschka
<frank.blaschka@de.ibm.com>
Thu, 12 Jul 2007 10:51:35 +0000
(12:51 +0200)
committer
Jeff Garzik
<jeff@garzik.org>
Mon, 16 Jul 2007 22:28:04 +0000
(18:28 -0400)
Add barrier to loop where atomic variable is evaluated.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/s390/net/qeth_main.c
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diff --git
a/drivers/s390/net/qeth_main.c
b/drivers/s390/net/qeth_main.c
index
8dca935
..
57f6943
100644
(file)
--- a/
drivers/s390/net/qeth_main.c
+++ b/
drivers/s390/net/qeth_main.c
@@
-1935,6
+1935,7
@@
qeth_send_control_data(struct qeth_card *card, int len,
atomic_inc(&reply->received);
wake_up(&reply->wait_q);
}
+ cpu_relax();
};
rc = reply->rc;
qeth_put_reply(reply);