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ipv6: use call_rcu_hurry() in fib6_info_release()

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This is a followup of commit c4e86b4363 ("net: add two more
call_rcu_hurry()")

fib6_info_destroy_rcu() is calling nexthop_put() or fib6_nh_release()

We must not delay it too much or risk unregister_netdevice/ref_tracker
traces because references to netdev are not released in time.

This should speedup device/netns dismantles when CONFIG_RCU_LAZY=y

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2024-04-26 10:47:22 +00:00 committed by David S. Miller
parent 61f5338d62
commit b5327b9a30
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
include/net/ip6_fib.h
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@ -338,7 +338,7 @@ static inline void fib6_info_release(struct fib6_info *f6i)
{ {
if (f6i && refcount_dec_and_test(&f6i->fib6_ref)) { if (f6i && refcount_dec_and_test(&f6i->fib6_ref)) {
DEBUG_NET_WARN_ON_ONCE(!hlist_unhashed(&f6i->gc_link)); DEBUG_NET_WARN_ON_ONCE(!hlist_unhashed(&f6i->gc_link));
call_rcu(&f6i->rcu, fib6_info_destroy_rcu); call_rcu_hurry(&f6i->rcu, fib6_info_destroy_rcu);
} }
} }