Commit c353071a authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: use this_cpu_read() in rt6_get_pcpu_route() 



this_cpu_read(*X) is faster than *this_cpu_ptr(X)

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4ebcfd9a

net/ipv6/route.c

+2 −3
Original line number Diff line number Diff line
@@ -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);