On Fri, May 19, 2017 at 11:21:59AM -0700, Cong Wang wrote:
> As reported by Michal, vsock_stream_sendmsg() could still
> sleep at vsock_stream_has_space() after prepare_to_wait():
>
> vsock_stream_has_space
> vmci_transport_stream_has_space
> vmci_qpair_produce_free_space
> qp_lock
> qp_acquire_queue_mutex
> mutex_lock
>
> Just switch to the new wait API like we did for commit
> d9dc8b0f8b4e ("net: fix sleeping for sk_wait_event()").
>
> Reported-by: Michal Kubecek <mkube...@suse.cz>
> Cc: Stefan Hajnoczi <stefa...@redhat.com>
> Cc: Jorgen Hansen <jhan...@vmware.com>
> Cc: "Michael S. Tsirkin" <m...@redhat.com>
> Cc: Claudio Imbrenda <imbre...@linux.vnet.ibm.com>
> Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com>
> ---
> net/vmw_vsock/af_vsock.c | 21 ++++++++-------------
> 1 file changed, 8 insertions(+), 13 deletions(-)Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
signature.asc
Description: PGP signature
