netfilter: nf_conntrack: use this_cpu_inc()
this_cpu_inc() is IRQ safe and faster than local_bh_disable()/__this_cpu_inc()/local_bh_enable(), at least on x86. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Christoph Lameter <cl@linux.com> Cc: Tejun Heo <tj@kernel.org> Reviewed-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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@ -321,14 +321,8 @@ extern unsigned int nf_conntrack_max;
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extern unsigned int nf_conntrack_hash_rnd;
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void init_nf_conntrack_hash_rnd(void);
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#define NF_CT_STAT_INC(net, count) \
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__this_cpu_inc((net)->ct.stat->count)
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#define NF_CT_STAT_INC_ATOMIC(net, count) \
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do { \
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local_bh_disable(); \
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__this_cpu_inc((net)->ct.stat->count); \
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local_bh_enable(); \
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} while (0)
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#define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count)
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#define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count)
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#define MODULE_ALIAS_NFCT_HELPER(helper) \
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MODULE_ALIAS("nfct-helper-" helper)
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