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| author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2007-07-12 12:51:35 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-17 00:28:04 +0200 |
| commit | 54ab2927d38536f6d437bdd0d7454b99bf67a48c (patch) | |
| tree | 197a66a1255d2f267cc4ad1c494fcdbe5fce6014 /drivers/s390 | |
| parent | s390: scatter-gather for inbound traffic in qeth driver (diff) | |
| download | linux-54ab2927d38536f6d437bdd0d7454b99bf67a48c.tar.xz linux-54ab2927d38536f6d437bdd0d7454b99bf67a48c.zip | |
s390: add barriers to qeth driver
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>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 8dca93598ea3..57f69434fbf9 100644 --- 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); |