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f7f9b5e7f8
When a thread is prepared for waiting by calling prepare_to_wait, sleeping is not allowed until either the wait has taken place or finish_wait has been called. The existing code in af_vsock imposed unnecessary no-sleep assumptions to a broad list of backend functions. This patch shrinks the influence of prepare_to_wait to the area where it is strictly needed, therefore relaxing the no-sleep restriction there. Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>