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netfilter: conntrack: tell compiler to not inline nf_ct_resolve_clash 

At this time compiler inlines it, but this code will not be executed
under normal conditions.

Also, no inlining allows to use "nf_ct_resolve_clash%return" perf probe.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2019-11-28 13:25:48 +01:00 committed by Pablo Neira Ayuso
parent dc4d3f2e12
commit c7c17e6a03
1 changed files with 4 additions and 3 deletions
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7
net/netfilter/nf_conntrack_core.c
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@ -895,9 +895,10 @@ static void nf_ct_acct_merge(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
}
/* Resolve race on insertion if this protocol allows this. */
static int nf_ct_resolve_clash(struct net *net, struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conntrack_tuple_hash *h)
static __cold noinline int
nf_ct_resolve_clash(struct net *net, struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conntrack_tuple_hash *h)
{
/* This is the conntrack entry already in hashes that won race. */
struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);