tree 6f0af48f9a0bf018bbbe1046fbeaaed84e272719
parent 691a4f3a953982d0af1896f5ab2832b7f19a980d
author Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> 1343144119 +0100
committer Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 1343824331 +0100

hub: add the support for hub own flow control

Only when all other hub port's *peer* .can_receive() all return 1,
the source hub port .can_receive() return 1.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>