tree d1c703725e11d908f2d027dd62c22f83bc1e0c19
parent 71cd26e76a9514715df7880db0a8f7c37c17149a
author jbaron@akamai.com <jbaron@akamai.com> 1429560307 +0000
committer David S. Miller <davem@davemloft.net> 1429646254 -0400

tcp: add memory barriers to write space paths

Ensure that we either see that the buffer has write space
in tcp_poll() or that we perform a wakeup from the input
side. Did not run into any actual problem here, but thought
that we should make things explicit.

Signed-off-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>