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snmp: SNMP_UPD_PO_STATS_BH() always called from softirq

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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>
This commit is contained in:
Eric Dumazet 2011-03-21 18:12:54 -07:00 committed by David S. Miller
parent 8aa525a934
commit 20246a8003
1 changed files with 2 additions and 2 deletions
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4
include/net/snmp.h
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@ -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; \