Re: mmotm 2021-05-19-23-58 uploaded (net/netfilter/nft_set_pipapo_avx2.c)

From: Randy Dunlap
Date: Thu May 20 2021 - 21:04:30 EST


On 5/20/21 4:07 PM, Stephen Rothwell wrote:
> Hi Randy,
>
> On Thu, 20 May 2021 15:40:54 -0700 Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>>
>> on x86_64:
>> (from linux-next, not mmotm)
>
> Yeah, this is caused by a bad merge resolution by me.
>
>> ../net/netfilter/nft_set_pipapo_avx2.c: In function ‘nft_pipapo_avx2_lookup’:
>> ../net/netfilter/nft_set_pipapo_avx2.c:1135:10: error: implicit declaration of function ‘nft_pipapo_lookup’; did you mean ‘nft_pipapo_avx2_lookup’? [-Werror=implicit-function-declaration]
>> return nft_pipapo_lookup(net, set, key, ext);
>> ^~~~~~~~~~~~~~~~~
>
> I have added this to the merge resolution today:
>
> diff --git a/include/net/netfilter/nf_tables_core.h b/include/net/netfilter/nf_tables_core.h
> index 789e9eadd76d..8652b2514e57 100644
> --- a/include/net/netfilter/nf_tables_core.h
> +++ b/include/net/netfilter/nf_tables_core.h
> @@ -89,6 +89,8 @@ extern const struct nft_set_type nft_set_bitmap_type;
> extern const struct nft_set_type nft_set_pipapo_type;
> extern const struct nft_set_type nft_set_pipapo_avx2_type;
>
> +bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
> + const u32 *key, const struct nft_set_ext **ext);
> #ifdef CONFIG_RETPOLINE
> bool nft_rhash_lookup(const struct net *net, const struct nft_set *set,
> const u32 *key, const struct nft_set_ext **ext);
> @@ -101,8 +103,6 @@ bool nft_hash_lookup_fast(const struct net *net,
> const u32 *key, const struct nft_set_ext **ext);
> bool nft_hash_lookup(const struct net *net, const struct nft_set *set,
> const u32 *key, const struct nft_set_ext **ext);
> -bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
> - const u32 *key, const struct nft_set_ext **ext);
> bool nft_set_do_lookup(const struct net *net, const struct nft_set *set,
> const u32 *key, const struct nft_set_ext **ext);
> #else
> diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
> index 9addc0b447f7..dce866d93fee 100644
> --- a/net/netfilter/nft_set_pipapo.c
> +++ b/net/netfilter/nft_set_pipapo.c
> @@ -408,7 +408,6 @@ int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst,
> *
> * Return: true on match, false otherwise.
> */
> -INDIRECT_CALLABLE_SCOPE
> bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
> const u32 *key, const struct nft_set_ext **ext)
> {
>
> It should apply on top of next-20210520 if you want to test it (I
> haven't tested it yet, but will later today).

Yes, that builds. Thanks.

--
~Randy
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
https://people.kernel.org/tglx/notes-about-netiquette