diff options
| author | Eric Dumazet <edumazet@google.com> | 2019-05-31 18:11:25 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-03 15:06:36 -0700 |
| commit | c353071ad0a2ef754fcba4153098e3cdc5ca516e (patch) | |
| tree | 5fea2e27c303f86fe2912e58225b60bf7a018a2e | |
| parent | 4ebcfd9a9fbc44375ef73c938b1a23dbd10fd8a2 (diff) | |
ipv6: use this_cpu_read() in rt6_get_pcpu_route()
this_cpu_read(*X) is faster than *this_cpu_ptr(X)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/route.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index fada5a13bcb2..a72d01010cb6 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1268,10 +1268,9 @@ static struct rt6_info *ip6_rt_pcpu_alloc(const struct fib6_result *res) /* It should be called with rcu_read_lock() acquired */ static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res) { - struct rt6_info *pcpu_rt, **p; + struct rt6_info *pcpu_rt; - p = this_cpu_ptr(res->nh->rt6i_pcpu); - pcpu_rt = *p; + pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu); if (pcpu_rt) ip6_hold_safe(NULL, &pcpu_rt); |