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Commit 20246a80 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
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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: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8aa525a9

include/net/snmp.h

+2 −2
Original line number Diff line number Diff line
@@ -150,7 +150,7 @@ struct linux_xfrm_mib { 
#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 @@ struct linux_xfrm_mib { 
#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;			\