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Staging: hv: vmbus: Increase the timeout value in the vmbus driver

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On some loaded windows hosts, we have discovered that the host may not
respond to guest requests within the specified time (one second)
as evidenced by the guest timing out. Fix this problem by increasing
the timeout to 5 seconds.

It may be useful to apply this patch to the 3.0 kernel as well.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-06-16 13:16:34 -07:00 committed by Greg Kroah-Hartman
parent df50567797
commit 2dfde9644f
3 changed files with 3 additions and 3 deletions
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2
drivers/staging/hv/channel.c
View file

@ -211,7 +211,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&openInfo->waitevent, HZ);
t = wait_for_completion_timeout(&openInfo->waitevent, 5*HZ);
if (t == 0) {
err = -ETIMEDOUT;
goto errorout;

2
drivers/staging/hv/channel_mgmt.c
View file

@ -767,7 +767,7 @@ int vmbus_request_offers(void)
goto cleanup;
}
t = wait_for_completion_timeout(&msginfo->waitevent, HZ);
t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;

2
drivers/staging/hv/connection.c
View file

@ -135,7 +135,7 @@ int vmbus_connect(void)
}
/* Wait for the connection response */
t = wait_for_completion_timeout(&msginfo->waitevent, HZ);
t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ);
if (t == 0) {
spin_lock_irqsave(&vmbus_connection.channelmsg_lock,
flags);