snmp: SNMP_UPD_PO_STATS_BH() always called from softirq
We dont need to test if we run from softirq context, we definitely are.
This saves few instructions in ip_rcv() & ip_rcv_finish()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/snmp.h b/include/net/snmp.h
index 762e2ab..27461d6 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -150,7 +150,7 @@
#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
do { \
__typeof__(*mib[0]) *ptr = \
- __this_cpu_ptr((mib)[!in_softirq()]); \
+ __this_cpu_ptr((mib)[0]); \
ptr->mibs[basefield##PKTS]++; \
ptr->mibs[basefield##OCTETS] += addend;\
} while (0)
@@ -202,7 +202,7 @@
#define SNMP_UPD_PO_STATS64_BH(mib, basefield, addend) \
do { \
__typeof__(*mib[0]) *ptr; \
- ptr = __this_cpu_ptr((mib)[!in_softirq()]); \
+ ptr = __this_cpu_ptr((mib)[0]); \
u64_stats_update_begin(&ptr->syncp); \
ptr->mibs[basefield##PKTS]++; \
ptr->mibs[basefield##OCTETS] += addend; \