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net/hyperv: Use wait_event on outstanding sends during device removal

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Change the busy-waiting/udelay to wait_event on outstanding sends.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang
2012-06-04 06:42:38 +00:00
committed by David S. Miller
parent 9ec0db71af
commit dc5cd894ca
2 changed files with 7 additions and 6 deletions
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drivers/net/hyperv/hyperv_net.h
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@@ -478,6 +478,7 @@ struct netvsc_device {
u32 nvsp_version;
atomic_t num_outstanding_sends;
wait_queue_head_t wait_drain;
bool start_remove;
bool destroy;
/*