From: "Robert P. J. Day" <[email protected]>
Date: Wed, 2 May 2007 17:15:01 -0400 (EDT)
>
> again, this list contains some CONFIG_ variables that aren't
> technically dead, but *really* should be renamed to not be confused
> with Kconfig variables. there are, however, legitimately dead ones in
> the following in places:
>
> $ ../dead_config.sh net/ipv4
> ========== IP_FIB_TRIE_STATS ==========
> net/ipv4/fib_trie.c:#undef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#ifdef CONFIG_IP_FIB_TRIE_STATS
> net/ipv4/fib_trie.c:#endif /* CONFIG_IP_FIB_TRIE_STATS */
Robert Olsson uses this for statistics collection by turning
that #undef there into a #define and other developers could
use this too.
Therefore I'm reluctant to remove this for now.
> ========== IP_NOSIOCRT ==========
> net/ipv4/fib_frontend.c:#ifndef CONFIG_IP_NOSIOCRT
Definitely bogus, deleted.
> ========== IP_PIMSM ==========
> net/ipv4/ipmr.c:#define CONFIG_IP_PIMSM 1
This one isn't bogus, it is a shorthand and is set when
either CONFIG_IP_PIMSM_V1 or CONFIG_IP_PIMSM_V2 are set.
> ========== IP_ROUTE_PERVASIVE ==========
> net/ipv4/fib_semantics.c:#ifdef CONFIG_IP_ROUTE_PERVASIVE
This seems to be for an intended feature to allow control of
recursive gateway lookups, I'm not touching this one :-)
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