ipvs: remove _bh from percpu stats reading

 	ip_vs_read_cpu_stats is called only from timer, so
no need for _bh locks.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

net/netfilter/ipvs/ip_vs_est.c

@@ -69,10 +69,10 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum,
 			sum->inpkts += s->ustats.inpkts;
 			sum->outpkts += s->ustats.outpkts;
 			do {
-				start = u64_stats_fetch_begin_bh(&s->syncp);
+				start = u64_stats_fetch_begin(&s->syncp);
 				inbytes = s->ustats.inbytes;
 				outbytes = s->ustats.outbytes;
-			} while (u64_stats_fetch_retry_bh(&s->syncp, start));
+			} while (u64_stats_fetch_retry(&s->syncp, start));
 			sum->inbytes += inbytes;
 			sum->outbytes += outbytes;
 		} else {
@@ -80,10 +80,10 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum,
 			sum->inpkts = s->ustats.inpkts;
 			sum->outpkts = s->ustats.outpkts;
 			do {
-				start = u64_stats_fetch_begin_bh(&s->syncp);
+				start = u64_stats_fetch_begin(&s->syncp);
 				sum->inbytes = s->ustats.inbytes;
 				sum->outbytes = s->ustats.outbytes;
-			} while (u64_stats_fetch_retry_bh(&s->syncp, start));
+			} while (u64_stats_fetch_retry(&s->syncp, start));
 		}
 	}
 }