From: Ursula.Braun.braunu@de.ibm.com
To: jgarzik@pobox.com, netdev@vger.kernel.org, linux-s390@vger.kernel.org
Cc: Frank Blaschka <frank.blaschka@de.ibm.com>,
Frank Pavlic <fpavlic@de.ibm.com>
Subject: [patch 2/2] s390: add barriers to qeth driver
Date: Thu, 12 Jul 2007 09:51:01 +0200 [thread overview]
Message-ID: <20070712075327.445441000@linux.vnet.ibm.com> (raw)
In-Reply-To: 20070712075059.579991000@linux.vnet.ibm.com
[-- Attachment #1: 703-qeth-barriers.diff --]
[-- Type: text/plain, Size: 763 bytes --]
From: Frank Blaschka <frank.blaschka@de.ibm.com>
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>
---
drivers/s390/net/qeth_main.c | 1 +
1 files changed, 1 insertion(+)
Index: linux-2.6-uschi/drivers/s390/net/qeth_main.c
===================================================================
--- linux-2.6-uschi.orig/drivers/s390/net/qeth_main.c
+++ linux-2.6-uschi/drivers/s390/net/qeth_main.c
@@ -1935,6 +1935,7 @@ qeth_send_control_data(struct qeth_card
atomic_inc(&reply->received);
wake_up(&reply->wait_q);
}
+ cpu_relax();
};
rc = reply->rc;
qeth_put_reply(reply);
--
next prev parent reply other threads:[~2007-07-12 7:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-12 7:50 [patch 0/2] qeth patches for 2.6.23 Ursula.Braun.braunu
2007-07-12 7:51 ` [patch 1/2] s390: scatter-gather for inbound traffic in qeth driver Ursula.Braun.braunu
2007-07-12 7:51 ` Ursula.Braun.braunu [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-07-12 10:51 [patch 0/2] qeth patches for 2.6.23 Ursula Braun
2007-07-12 10:51 ` [patch 2/2] s390: add barriers to qeth driver Ursula Braun
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