From: Jay Vosburgh <fu...@us.ibm.com> Date: Tue, 15 Jun 2010 09:45:47 -0700
> Jan-Bernd Themann <ossth...@de.ibm.com> wrote: > >>In the eHEA poll function an rmb() is required. Without that some packets >>on the receive queue are not seen and thus delayed until the next interrupt >>is handled for the same receive queue. >> >>Signed-off-by: Jan-Bernd Themann <them...@de.ibm.com> > > To add a bit of background, this could manifest during a netperf > TCP_RR or UDP_RR on an otherwise idle network. TCP would occasionally > retransmit, but then both the original segment and the retransmission > would simultaneously appear at the receiver. For UDP_RR, message sizes > in excess of the mtu would occasionally "lose" an IP fragment, and > eventually IP reassembly would time out. > > -J > > Signed-off-by: Jay Vosburgh <fu...@us.ibm.com> Applied. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
