diff options
| author | Nicholas Mc Guire <hofrat@osadl.org> | 2016-03-14 14:39:02 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-03-15 03:10:42 +0300 |
| commit | e39365be031e37b229f745ea49db0b25e82436fa (patch) | |
| tree | ed52dc92bccaca86e0aeb003d22f56b1476bba11 /net | |
| parent | 05752523e56502cd9975aec0a2ded465d51a71f3 (diff) | |
| download | linux-e39365be031e37b229f745ea49db0b25e82436fa.tar.xz | |
netfilter: nf_conntrack: consolidate lock/unlock into unlock_wait
The spin_lock()/spin_unlock() is synchronizing on the
nf_conntrack_locks_all_lock which is equivalent to
spin_unlock_wait() but the later should be more efficient.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index f60b4fdeeb8c..afde5f5e728a 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -74,8 +74,7 @@ void nf_conntrack_lock(spinlock_t *lock) __acquires(lock) spin_lock(lock); while (unlikely(nf_conntrack_locks_all)) { spin_unlock(lock); - spin_lock(&nf_conntrack_locks_all_lock); - spin_unlock(&nf_conntrack_locks_all_lock); + spin_unlock_wait(&nf_conntrack_locks_all_lock); spin_lock(lock); } } @@ -121,8 +120,7 @@ static void nf_conntrack_all_lock(void) nf_conntrack_locks_all = true; for (i = 0; i < CONNTRACK_LOCKS; i++) { - spin_lock(&nf_conntrack_locks[i]); - spin_unlock(&nf_conntrack_locks[i]); + spin_unlock_wait(&nf_conntrack_locks[i]); } } |