From: kys@exchange.microsoft.com
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
vkuznets@redhat.com, jasowang@redhat.com,
leann.ogasawara@canonical.com, marcelo.cerri@canonical.com
Cc: Dexuan Cui <decui@microsoft.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Subject: [PATCH 4/4] Drivers: hv: util: don't forget to init host_ts.lock
Date: Sat, 4 Mar 2017 18:14:00 -0700 [thread overview]
Message-ID: <1488676440-4105-4-git-send-email-kys@exchange.microsoft.com> (raw)
In-Reply-To: <1488676406-4021-1-git-send-email-kys@exchange.microsoft.com>
From: Dexuan Cui <decui@microsoft.com>
Without the patch, I always get a "BUG: spinlock bad magic" warning.
Fixes: 3716a49a81ba ("hv_utils: implement Hyper-V PTP source")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
drivers/hv/hv_util.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 3042eaa..186b100 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -590,6 +590,8 @@ static int hv_timesync_init(struct hv_util_service *srv)
if (!hyperv_cs)
return -ENODEV;
+ spin_lock_init(&host_ts.lock);
+
INIT_WORK(&wrk.work, hv_set_host_time);
/*
--
1.7.1
prev parent reply other threads:[~2017-03-05 1:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-05 1:13 [PATCH 0/4] Drivers: hv: vmbus: Miscellaneous Fixes kys
2017-03-05 1:13 ` [PATCH 1/4] vmbus: use rcu for per-cpu channel list kys
2017-03-05 1:13 ` [PATCH 2/4] vmbus: remove hv_event_tasklet_disable/enable kys
2017-03-05 1:13 ` [PATCH 3/4] Drivers: hv: util: move waiting for release to hv_utils_transport itself kys
2017-03-05 1:14 ` kys [this message]
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