Benjamin Thery wrote:
Denis V. Lunev wrote:
Daniel Lezcano wrote:
Oh, by the way, I forgot something important you spotted with the list
protected by the mutex.
When looking at ipv6/fib_hash.c with Benjamin, we need to browse the
network namespaces list for the garbage collecting, but we are in an
interrupt handler, so I can not use rtnl_lock.
where exactly....
Actually, it is in net/ipv6/ip6_fib.c, in fib6_clean_all().
fib6_clean_all() is called by fib6_run_gc() handler of the
ip6_fib_timer.
If we don't want to have one such timer per net namespace, in
fib6_clean_all() we have to go through all net to clean their own
fib_table_hash (using for_each_net() protected by rtnl_lock).
after careful thinking, one timer per/namespace looks better for me :)
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