Hello Nakagawa-san,
The above inet-hash-bits-ipv6-fix.patch in RT backs-out a hunk, that was
just pushed into Kernel.org after -rc2.
It will cause a compile error, because by the 2.6.24-rc2-git4 patch,
the.lock which ipv6-fix restores and uses, disappears.
I'm not sure about the locking, so I thought I'd mention it, since you
have stepped through all this before.
Regards,
Sven
Here are the 2 conflicting hunks...
>From patches.rt/inet-hash-bits-ipv6-fix.patch:
@@ -35,14 +37,16 @@ void __inet6_hash(struct inet_hashinfo *
lock = &hashinfo->lhash_lock;
inet_listen_wlock(hashinfo);
} else {
- unsigned int hash;
- sk->sk_hash = hash = inet6_sk_ehashfn(sk);
- list = &inet_ehash_bucket(hashinfo, hash)->chain;
- lock = inet_ehash_lockp(hashinfo, hash);
+ sk->sk_hash = inet6_sk_ehashfn(sk);
+ index = inet_ehash_index(hashinfo, sk->sk_hash);
+ list = &hashinfo->ehash[index].chain;
+ lock = &hashinfo->ehash[index].lock;
+ bitmask = hashinfo->ebitmask;
write_lock(lock);
}
__sk_add_node(sk, list);
+ __inet_hash_setbit(bitmask, index);
sock_prot_inc_use(sk->sk_prot);
write_unlock(lock);
Git 4:
index 4427dcd..469216d 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -23,6 +23,7 @@
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/wait.h>
+#include <linux/vmalloc.h>
#include <net/inet_connection_sock.h>
#include <net/inet_sock.h>
@@ -37,7 +38,6 @@
* I'll experiment with dynamic table growth later.
*/
struct inet_ehash_bucket {
- rwlock_t lock;
struct hlist_head chain;
struct hlist_head twchain;
};
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index d6f1026..adc73ad 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -37,9 +37,8 @@ void __inet6_hash(struct inet_hashinfo *hashinfo,
} else {
unsigned int hash;
sk->sk_hash = hash = inet6_sk_ehashfn(sk);
- hash &= (hashinfo->ehash_size - 1);
- list = &hashinfo->ehash[hash].chain;
- lock = &hashinfo->ehash[hash].lock;
+ list = &inet_ehash_bucket(hashinfo, hash)->chain;
+ lock = inet_ehash_lockp(hashinfo, hash);
write_lock(lock);
}
--
Sven-Thorsten Dietrich
+1 415 694-2930
( www.novell.com/linux )
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