On Sun, Aug 28, 2016 at 10:20:08AM -0700, Adrian Chadd wrote:
> Hi,
>
> There are some no brainers here so far(tm):
>
> working from the bottom up:
>
> * yeah, the ixgbe locking is a bit silly. Kip's work with iflib and
> converting ixgbe to use that instead of its own locking for managing
> things should remove the bottom two locks
> * the rtalloc1_fib thing - that's odd, because it shouldn't be
> contending there unless there's some temporary redirect that's been
> learnt. What's the routing table look like on your machine? I Remember
As I understund this code:
===
static struct radix_node *
in_matroute(void *v_arg, struct radix_node_head *head)
{
struct radix_node *rn = rn_match(v_arg, head);
struct rtentry *rt = (struct rtentry *)rn;
if (rt) {
RT_LOCK(rt);
if (rt->rt_flags & RTPRF_OURS) {
rt->rt_flags &= ~RTPRF_OURS;
rt->rt_expire = 0;
}
RT_UNLOCK(rt);
}
return rn;
}
===
lock congestion will be created for any route: for any route captured
captured exclusive lock (for test).
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