Removing queue length check in ip_output (was Re: buf_ring in HEAD is racy)

[Navdeep Parhar]

On 12/19/13 11:59, Adrian Chadd wrote:
> How's this?
> 
> Index: sys/netinet/ip_output.c
> ===================================================================
> --- sys/netinet/ip_output.c     (revision 259474)
> +++ sys/netinet/ip_output.c     (working copy)
> @@ -123,7 +123,9 @@
>         struct mbuf *m0;
>         int hlen = sizeof (struct ip);
>         int mtu;
> +#if 0
>         int n;  /* scratchpad */
> +#endif
>         int error = 0;
>         struct sockaddr_in *dst;
>         const struct sockaddr_in *gw;
> @@ -431,6 +433,25 @@
>         }
> 
>         /*
> +        * Both in the SMP world, pre-emption world if_transmit() world,
> +        * the following code doesn't really function as intended any further.

Doesn't make sense in the tx multiqueue world either.  (which queue is
this piece of code checking?)

Navdeep