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[AF_UNIX]: Use spinlock for unix_table_lock

Browse source 
This lock is actually taken mostly as a writer,
so using a rwlock actually just makes performance
worse especially on chips like the Intel P4.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-12-13 23:26:29 -08:00 • committed by David S. Miller
parent d83d8461f9
commit fbe9cc4a87
3 changed files with 20 additions and 20 deletions
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4
net/unix/garbage.c
View file

@ -182,7 +182,7 @@ void unix_gc(void)
if (down_trylock(&unix_gc_sem))
return;
read_lock(&unix_table_lock);
spin_lock(&unix_table_lock);
forall_unix_sockets(i, s)
{
@ -301,7 +301,7 @@ void unix_gc(void)
}
u->gc_tree = GC_ORPHAN;
}
read_unlock(&unix_table_lock);
spin_unlock(&unix_table_lock);
/*
* Here we are. Hitlist is filled. Die.