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ipv4: add __rcu annotations to routes.c

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Add __rcu annotations to :
        (struct dst_entry)->rt_next
        (struct rt_hash_bucket)->chain

And use appropriate rcu primitives to reduce sparse warnings if
CONFIG_SPARSE_RCU_POINTER=y

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-10-25 21:02:07 +00:00 • committed by David S. Miller
parent c1b60092cf
commit 1c31720a74
2 changed files with 47 additions and 30 deletions
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2
include/net/dst.h
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@ -95,7 +95,7 @@ struct dst_entry {
unsigned long lastuse;
union {
struct dst_entry *next;
struct rtable *rt_next;
struct rtable __rcu *rt_next;
struct rt6_info *rt6_next;
struct dn_route *dn_next;
};