Michal Kubeček 3dc94f93be
ipv6: per netns FIB garbage collection ...
One of our customers observed issues with FIB6 garbage collectors
running in different network namespaces blocking each other, resulting
in soft lockups (fib6_run_gc() initiated from timer runs always in
forced mode).
Now that FIB6 walkers are separated per namespace, there is no more need
for instances of fib6_run_gc() in different namespaces blocking each
other. There is still a call to icmp6_dst_gc() which operates on shared
data but this function is protected by its own shared lock.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz >
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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3dc94f93be