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| author |   Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-10-29 12:21:13 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-04 12:04:25 +0100 |
| commit | 034ebf552e0a3403eeb7e7f8a3a502fc0c70a24c (patch) | |
| tree | b7d8455fb7b161733de85415883e0f2e17c45ffe /drivers/hv/connection.c | |
| parent | hyper-v: trace vmbus_teardown_gpadl() (diff) | |
| download | linux-dev-034ebf552e0a3403eeb7e7f8a3a502fc0c70a24c.tar.xz linux-dev-034ebf552e0a3403eeb7e7f8a3a502fc0c70a24c.zip | |
hyper-v: trace vmbus_negotiate_version()
Add tracepoint to CHANNELMSG_INITIATE_CONTACT sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/connection.c')
| -rw-r--r-- | drivers/hv/connection.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index b06a6b796819..05f413c4fe3b 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -117,6 +117,9 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_initiate_contact), true); + + trace_vmbus_negotiate_version(msg, ret); + if (ret != 0) { spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&msginfo->msglistentry); |